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EPEX Omniflex IV System

1. SES mAs Visit Time Visit Reset aoe Heat Generator 4 XRay Switch s n Calibration New Study Procedure Study Edit Calibration has been successfully completed You may now proceed to normal exposures New Edit Current exposure count Outputs Selection no outputs f New Edit Conventional Mode REG CIN i DROC ready Jobs in Queue 0 S00 371 tif Restart Calibration Sequence Accumulate Calibration Create New Pixel Map End Calibration Sequence Maintaining System Components 5 9 5 10 EPEX Omniflex IV System User s Guide Step Action 9 Click the Accumulate Calibration button 10 Repeat steps 6 through 9 until you have accumulated four calibrations 11 When you are finished with the calibration sequence click the End Calibration Sequence button If you want to discard the accumulated calibrations and start over click the Restart Calibration Sequence button Maintaining System Components Chapter 6 Troubleshooting This chapter explains how to perform basic troubleshooting operations It identifies and explains how to handle common system problems that do not require service intervention and provides a listing of system alarms and error codes Contents i o 5 UB8g8 OVOUSVIG Wis
2. E787 17 S eps Once the CPU is powered on the monitor displays messages related to the progress of the CPU s operating system startup The CPU takes about four minutes to complete this sequence When the operating system is loaded the Login window displays 2 5 EPEX Omniflex IV System User s Guide Step 5 Logging In to the CPU s Operating System When you power on the DirectRay Console a grey SUN Microsystems banner displays Note Depending on your system configuration the tasks on your Status window may differ from the ones depicted in the sample shown here 2 6 To log in to the CPU s operating system Step Action 1 Enter the appropriate login name at the Please enter your name prompt tech for technologists mgr for system administrators 2 Press the Enter key The Please enter your password prompt displays 3 Enter your password then press the Enter key If you do not know your password see your System Administrator Note No characters display as you enter your password Note If you make a mistake when entering the login name or password you can click the Start Over button to clear the fields and start again After displaying progress messages the DirectRay Console application Status window displays The Status window shown below lists the initialization tasks for DirectRay Console functions Each task is highlighted once it has become active and pa
3. Power Supply Transformers DK10_031 eps You can send images acquired with the EPEX Omniflex IV system to Image printers for hardcopy e Workstations for display e Archive systems for storage The system uses the DICOM Digital Imaging and Communications in Medicine protocol to send images and related information to output devices DICOM is a standard that defines the characteristics of data communication between medical imaging equipment The DICOM standard was developed by the National Electrical Manufacturer s Association and the American Council of Radiology For the latest list of approved DICOM connections see your Del representative For information about how to operate an output device at your site refer to the device s documentation Introduction EPEX Omniflex IV System User s Guide Image Acquisition Introduction Patient data available in the facility s Hospital Information System HIS or Radiology Information System RIS can be imported into the system using the Modality Worklist function Such data may also be obtained from the system s own temporary records of recent radiographic examinations or from keyboard entries provided by the operator Patients whose records are accessible through the facility s HIS RIS network are typically provided with a bar coded bracelet A bar code reader connected to the DirectRay Console is used to scan the paperwork or requisition form and i
4. eee 2 57 Recommended Power Down Procedure Overview 2 57 Step 1 Powering Down the DirectRay Console CPU 2 58 Step 2 Powering Down the X ray Generator sess 2 59 Step 3 Powering Down the DirectRay Console s UPS 2 60 Contents V vi EPEX Omniflex IV System User s Guide Chapter 3 Managing the Image Output Queues and Resending Images OVEVIE MEINEM PT 3 2 Managing the Image Output Queues eese 3 3 Resending Images to Output Devices 3 6 Repreviewing Images o agectee ente enbe sae RU E en IS Usa reo Pas T e ERES HREE SS 3 10 Chapter 4 Protecting Patient Records OVERVIEW T 4 2 Reclamation Strategy ou cesa a tation quf Sd OA de 4 2 Procedure for Protecting a Patient Record ssssesssss 4 3 Chapter 5 Maintaining System Components oai MC T T eee 5 2 Daily Nartenanee s odo Pvt teh t hes petes ae VI anaes usate ur E ES 5 2 Weekl vM amtetalle es cooaducLastetbs tutus tesec aE 5 2 Monthly Maintenance iem eret totos due nasa qn Ue euro Nep aee nga Pe N UU O 5 3 leaning the Eg ipment vaste oap a indo reddant db DN es 5 3 Checking the Equipment Integrity eene 5 4 System Periodic Maintenance sn eoe ede oe ea ecu nine Dr te e REIS 5 4 Replacing the UPS Battery 2 3 oeste taa ro Xeae eee EECHID YOOX NE HER e po ce 5 5 Reporting Unusu
5. mAs Visit n Ci Time ee Switch Visit ee Generator 4 i i Calibration Note The calibration below should be performed each week Cautions Do not calibrate the unit unless it has been ON for at least 3 hours New Study Procedure Study Edit Close Do not calibrate the array if Templ or Temp2 exceed 33 C For all general radiographic units gently remove the grid from the Bucky place the X ray tube and Bucky in the Chest scanning position 183 cm 72 SID or greater and PORTRAIT orientation 2 Manually open the collimator to ensure full coverage of the Bucky and ensure that there are no lead markers or other items in the beam path New Edt Add Outputs Selection no outputs f New Edit 1 Di t R Conventional Moye Ire a c MC ne TUE OG MH NO LOO X ig DROC ready Jobs in Queue 0 GS00 360 tif Restart Calibration Sequence Accumulate Calibration Create New Pixel Map End Calibration Sequence Step Action 4 Change the technique settings as defined in your Calibration Test panel 5 Remove the grid Maintaining System Components 5 7 EPEX Omniflex IV System User s Guide Step Action 6 Take an exposure
6. LEFT SIDE GS10 022 eps Step 3 Checking the System Once the X ray Generator is powered on perform the following checks Remove any patient supports or other objects so they do not interfere with the movement of the X ray tube s suspension arm e Press the Collimator light switch and verify that the light comes on e Verify that the Collimator display indicates the current SID and the Collimator opening Check the releases on the overhead tube crane the Bucky and the radiographic table to ensure that the controls are operating properly You can now power up the DirectRay Console 2 4 Basic Operations EPEX Omniflex IV System User s Guide Step 4 Powering Up the DirectRay Console CPU Note Before you power on the DirectRay Console CPU ensure that the DirectRay Detector and DirectRay Controller have completed their startup sequence wait at least five minutes after you power on the UPS Figure 2 3 DirectRay Console Power Key Note The dual input monitor switch toggles between the DirectRay Console and the DirectRay Controller Basic Operations To power up the DirectRay Console CPU press the power key located at the upper right corner on the CPU keyboard refer to Figure 2 3 The CPU powers up and the monitor which should typically be left on but might be in sleep mode wakes up If the monitor is not on press its power button Lo E WW NN
7. Earphones He DirectRay Detector Orientation Identifier on the Bucky Introduction Introduction b gt 6 C 0 Q Pd BI OO v C Oo M R I EPEX Omniflex IV System User s Guide Protective Earth Ground Hazardous Voltage Power On Indicator Hard Drive Standby Switch used with CPU On Line Indicator used with X ray Generator switch at DirectRay Console Off Line Indicator used with X ray Generator switch at DirectRay Console Prep Exposure Switch X ray Expose Switch Do Not Immerse In Liquid This product contains no field serviceable parts Special Cleaning Instructions Lifting Warning EPEX Omniflex IV System User s Guide One or more of the following regulatory symbols are found on the equipment oS GW UL Classified Device C US OL UL Listed Device LISTED ca us UL Recognized Device G p CSA Listed Device C US 7 ely EIL Listed Device United States Federal and State Regulations EPEX Omniflex IV systems conform to the United States Code of Federal Regulations 21 CFR 1020 30 Diagnostic X Ray Systems and their major components However additional state regulations may apply for X ray products This may require notifying your state regulatory agency about your installation and or operator training and certification It is the responsibility of the user to contact the applicable state radiation control agency to verify that your ins
8. The Omniflex can be configured with or without the Auto Tracking option The Auto Tracking option allows automatic vertical tracking of the X ray tube to the Bucky Refer to the topic Positioning the Overhead Tube Crane for Chest Exposures on page 2 43 or Positioning the Overhead Tube Crane for Under Table Exposures on page 2 44 for instructions on turning Auto Mode on Basic Operations EPEX Omniflex IV System User s Guide Auto On In Wall Mode With Auto on in Wall mode the Omniflex continually drives the tube up or down to maintain alignment of the X ray field and the Bucky It is important to remember that the operator moves the Bucky to the desired height and the X ray tube follows not the other way around In Auto mode the system suspends automatic vertical tracking for the duration of the occurrence of any of the following conditions The X ray tube is not in Wall mode lateral center The Bucky horizontal centerline has been raised or lowered beyond the tube crane s limit of travel The Bucky is not in the 90 vertical position The SID is not 40 in or 72 in Tracking automatically resumes as soon as all of the above conditions are no longer in effect The system automatically turns off Auto mode upon the occurrence of any of the following events e The Lateral Center function is turned off e The Left or Right soft key is pressed releasing the longitudinal lock e Any manual vertical mo
9. Contact Del service Troubleshooting 6 7 EPEX Omniflex IV System User s Guide Miscellaneous Problems Table 6 3 lists miscellaneous problems that can occur when using the system and suggested responses Table 6 3 Miscellaneous Problems If this happens Do this UPS power switch does not turn the DirectRay Detector and DirectRay Controller on X ray equipment power switch at the DirectRay Console does not turn the X ray Generator on The technique settings in the DirectRay Console main window display dashes instead of setting numbers The Bucky will not rotate to the other orientation position The Collimator does not operate If the image does not transfer to a selected output device and the DirectRay Console does not display a related alarm Contact Del service Ensure that power is being supplied to the Generator If there is still a problem contact Del service There is a problem in connection between the X ray Generator and the DirectRay Console Contact Del service Contact Del service Contact Del service There is either a problem in the connection between the DirectRay Console and the output device or there is a problem with the output device Contact Del service and or the manufacturer of the output device Troubleshooting EPEX Omniflex IV System User s Guide Powering the DirectRay Components On and Off Using the Device Control function you can power the Direct
10. Devices Name of Device Description DicomStoreSpooler single priority single server Dicom store job spooler DicomPrintSpooler single priority single server Dicom print job spooler DicomCommitSpooler single priority single server Dicom commit job spooler Refresh Queued Jobs Patient Name Patient ID Study Image Job Status Retry Count Device ADAMS JOHN M 123456 SKULL 4 VIEWS ROUTINE _ TOWNE RUNNING 9 Drystar3000 Public John Q 12345678 SKULL 4 VIEWS ROUTINE CALDWELL STOPPED ERROR 20 Drystar3000 Public John Q 12345678 SKULL 4 VIEWS ROUTINE LEFT LATERAL STOPPED ERROR 20 Drystar3000 Public John Q 12345678 SKULL 4 VIEWS ROUTINE RIGHT LATERAL SLEEPING ERROR 19 Drystar3000 Public John Q 12345678 SKULL 4 VIEWS ROUTINE RIGHT LATERAL SLEEPING ERROR 19 Drystar3000 Public John Q 12345678 SKULL 4 VIEWS ROUTINE TOWNE SLEEPING ERROR 19 Drystar3000 Public John Q 12345678 SKULL 4 VIEWS ROUTINE CALDWELL SLEEPING ERROR 19 Drystar3000 Delete From Queue Resend Stopped Job Close MC00_210 tiF Managing the Image Output Queues and Resending Images 3 5 EPEX Omniflex IV System User s Guide Resending Images to Output Devices Note Images are not stored indefinitely To ensure that there is always sufficient room to store newly acquired images the system deletes the oldest images as needed to reclaim storage space However you can protect specific patient images so that they will not be deleted
11. Rotational tube movement Full field travel and coverage of tube support allows maximum use of available room space Positive stops at 0 and 90 to aid in aiming the beam for use with the Bucky Using the Overhead Tube Crane Control Panel to Position the X ray Tube 2 36 You position the X ray tube by pressing one of the release buttons on the overhead tube crane s control panel moving the X ray tube arm to the desired position then releasing the button to lock the crane into place Figure 2 11 shows the control panel The functions of the control panel are described in Table 2 1 on page 2 38 Basic Operations EPEX Omniflex IV System User s Guide Figure 2 11 Omniflex IV Control Console 16 CC dc Basic Operations 2 REAR SIDE Notes 1 All directions for use of the EPEX Omniflex tube crane are described from the point of view of a user standing in front of the tube crane The system s layout may alter the meaning of some directions For example in Wall Mode Configurations A and C the lateral center position for the tube crane is in the tube crane s transverse direction in Wall Mode Configuration B the lateral center position for the tube crane is in the tub
12. Basic Operations GSO00 047 tif Enter the required information modify the Procedure Description if needed then click the Accept button to proceed For more procedures about how to edit patient visit or study information in these windows refer to Chapter 3 in the DirectRay Console User s Guide 2 27 EPEX Omniflex IV System User s Guide Scanning a Bar Code to Identify the Patient Visit Study A WARNING Note Patient records are kept temporarily in a local database storage space availability permitting to save you from having to reenter information for a patient who was recently X rayed Note If any required patient visit study information was not included in the information retrieved the appropriate Edit Patient Visit or Study window displays so that you can enter the missing required information Refer to Chapter 3 in the DirectRay Console User s Guide for more information about how to edit patient visit or study information 2 28 The bar code scanner is a Class II laser device Do not use it in a patient contact area Laser light is emitted from the bar code scanner aperture Avoid exposure Do not stare into the beam For more information about using the bar code scanner and safety precautions refer to the bar code scanner s original manufacturer documentation When you scan a bar code to uniquely identify a patient visit study If your site supports a connection to a Hospital Infor
13. EBVIPOBIOHE 6 cna footed earners minus utc d ede i iot psu M MU USE A 6 Transit StOEABO c eed oi E oe d EE A 6 Gcr qM M M A 6 Installation Requirements 259 ee itese ride eto dtu end iod A 6 sj Focerulo o A 6 Dp EE A 6 Glossary vii About This Manual Audience Indications for Use Prerequisites Scope This manual is intended for users of the Del EPEX Omniflex IV General Radiography System to acquire medical diagnostic X ray images It provides operating instructions for the system The EPEX Omniflex IV System has application whenever DirectRay radiographic images are created and transmission of these images and related text are required from DirectRay technology to hardcopy softcopy or archive Follow all safety labels on the equipment The procedures in this manual assume that you know how to do the following operations related to the system s graphical user interface e Perform mouse and trackball operations such as click drag and select e Select from menus Click buttons e Enter information in text fields e Select options e Select entries from pop up or drop down lists e Use scroll bars This manual contains information about the EPEX Omniflex IV System and its operational features Organization EPEX Omniflex IV System User s Guide This manual is organized into the following chapters and appendices Chapter 1 Introduction Illustrates and provides a brie
14. approximately five minutes Login to Digital Radiography login to the DROC Identify Yourself prs Enter Password G5S00_103 tif Basic Operations EPEX Omniflex IV System User s Guide Switching User Levels To be able to sign in at a different user level that is switching between tech and mgr you have to log out of the DirectRay Console application To switch user levels Step Action 1 From the File menu choose Exit The Exit from DROC window displays Exit from DROC aj Do you want to _ Power off the computer _ Restart the computer 8 Log out of the computer _ Sign in as a different user DK00 029 tif Choose the Log out of the computer option and click the Yes button A dialog box displays asking you to confirm that you wish to log out Click the Yes button The DirectRay Console application closes and the grey SUN Microsystems banner displays Log in at the desired user level using the procedure in the topic Step 5 Logging In to the CPU s Operating System on page 2 6 Log in with your name and password using the procedure in the topic Step 6 Signing In to the DirectRay Console Application on page 2 7 Basic Operations 2 57 EPEX Omniflex IV System User s Guide Powering Down the System Components Typically you should leave the system components on The DirectRay Console CPU monitor and DirectRay Dete
15. emeret iienaa io Fo nsu rea eye e vue eR reo sla 1 15 Canadian ReguldtiQHs 3555 e a decedit a NI ad dp tegatana 1 15 EPEX Omniflex IV System User s Guide Manufacturer s Responsibility eene 1 15 Positive Beam Limitation a sues e e titre irt cp doy e Ga vd ug 1 16 Caution Regarding Small Detail Object Imaging 1 16 Restrictions on U Se c cu oo d o ee 1 17 Authorized EU Representatives esee 1 17 Chapter 2 Basic Operations Starting Up and Logging On to the System eessees 2 2 step 1 Powering Up the UPS eite eterne ta eoe inea eYRe vide 2 3 Step 2 Powering Up the X ray Generator sese 2 4 Step 3 Checking the System icc cssyenveceansedeencnevediesnenessansesdenaszene eaten 2 4 Step 4 Powering Up the DirectRay Console CPU 2 5 Step 5 Logging In to the CPU s Operating System 2 6 Step 6 Signing In to the DirectRay Console Application 2 7 Changing Your DirectRay Console User Application Password 2 8 Warming Up the X ray Pup 425 5 Ie D n dei CIO IS EHI ON BRE EIS 2 9 Capturing Images cie en ans oda RACE EUR E IER eed AREE 2 11 Overview for Capturing Images soi ei eta bebe ete tore Pride UE 2 11 Step 1 Identifying the Patient and Visit ssssss 2 12 Adding a New Patient Manually eee 2 13 Choosing an Existin
16. logging out of the current DirectRay Console application session so that another user can log in Except for adjusting the position and orientation of the table DirectRay Detector X ray tube and the opening of the Collimator shutter you perform all of these steps from the DirectRay Console user application s main window Basic Operations EPEX Omniflex IV System User s Guide Step 1 Identifying the Patient and Visit Before capturing images you must identify with which patient they are to be associated Proper identification ensures that the image data are associated with the correct patient information Depending on the system configuration at your site there are three ways for you to identify the patient and visit for which you want to acquire images as described below All systems allow you to identify patients and visits manually using the DirectRay Console s local database Whether you are acquiring images for a new or existing patient you can identify a patient manually by Creating a new patient record in the local database Selecting a patient from those previously entered and currently stored in the local database Unless protected by a key operator patient records are stored only temporarily in the local database Since database space is limited the oldest patient records and their associated images are periodically deleted to reclaim space for new patients For more information about how to manually spec
17. Error E042 Tube Data Corrupt Error E043 High Voltage Error kV detected in non X ray state E044 Invalid Communication Message E045 Communication Message Not Supported E046 Communication Message Not Allowed EO47 Fluoro Timer Limit Error Troubleshooting Troubleshooting EPEX Omniflex IV System User s Guide Table 6 4 CPI Error Code Descriptions Generator Error Code Description E048 Focus Mismatch Error E049 Not Enabled Error E050 Generator Limit Data Corrupt Error E051 Generator has detected no feedback signal from AEC device E052 High Small Focus Filament Current Error in Standby E053 High Large Focus Filament Current Error in Standby E054 AEC Reference is out of range E055 No Fields Selected in AEC mode E056 No Tube Programmed E057 AEC Stop signal in wrong state E058 Console Back Up Timer E059 Housing Heat Limit Exceeded E060 High KV Error E061 Low kV Error E062 EXP SW signal active in standby state E063 Factory Defaults Enabled E064 No Exposure Release E065 Tomo Device Error E066 No Sync Pulse Input E067 Power Supply Duty Cycle Limited E100 Calibration Error Maximum mA Exceeded E101 Calibration Error Calibration Data Table Exceeded E102 Calibration Error Maximum Filament Current Exceeded E103 Calibration Error Manually Terminated E104 Calibration Error No mA E105 Calibration Error Minimum mA not calibrated E20
18. Ib 90 6 kg 225 Ib 102 kg 250 Ib 114 kg 275 Ib 125 kg 75 lb 33 9 kg A 3 EPEX Omniflex IV System User s Guide Cable amp Transverse Carriage Telescoping Tube Crane 300 Ib 136 kg Omniflex IV Overhead Tube Crane Specifications continued Tube Rotation Output Power Radiographic Table Weight Dimensions Capacity Table Top Travel Bucky Travel Rotation Electrical A 4 110 400 BTU hr 421 kJ hr 386 kg 850 Ib Width 213 cm 84 in Depth 76 cm 43 in Height Variable 205 kg 450 Ib weight capacity 61 cm 24 in patient load 50 cm 20 in longitudinal 13 cm 5 in transverse 26 cm 10 in vertical top travel 86 cm 34 in longitudinal travel 132 cm 52 in vertical travel Vertical tower rotation 180 Vertical Bucky rotation 180 Vertical arm rotation 120 Portrait and transverse DirectRay Detector orientation Input voltage 115 230 VAC nominal Input current 9 6 4 8 A nominal Input frequency 47 Hz to 63 Hz Config Single phase grounded or isolated Specifications X ray Generator Specifications EPEX Omniflex IV System User s Guide Cabinet Weight Cabinet Dimensions Output Line Voltage Range High Voltage Ripple Other Features 227 kg 500 Ib Width 71 cm 28 in Depth 110 cm 43 in 80 kV high frequency 100 mA 80 kVp 800 mA 100 kVp 500 mA 150 kVp 40 to 150 kVp 0 5 to 1000 mA 10
19. The Calibration window with the flat field image displays Calibration 7 Click the Accept or Reject button If you accept the image calibration runs The progress of the calibration displays in the calibration panel in the message bar at the bottom of the window If you reject the image you are prompted to enter a Rejection comment Enter the comment and click the Reject button The Calibration Test panel displays Correct the problem and return to step 6 Note You would reject an image if it exhibits any edge cut off due to collimation or misalignment or if there are any artifacts from debris or obstructions Maintaining System Components EPEX Omniflex IV System User s Guide Step Action 8 Wait until the status bar turns green and the message in the panel says Calibration If the calibration is successful a 1 displays in the calibration panel Go to step 9 If the calibration is not successful adjust the technique settings and take another exposure zi Hologic Hospital File Edit Admin Help CALIBRATION MODE Not for Patient Exposure No Alarms prs Sign Out pe n IEEE EE iis Patient gn onn nns if n no6 Name Lu Lu ul L uU 31 uu 1 Ll z kd M w Gender Orientation AEC mFocal Spot mPatient CALIBRATE PA SIZE New Edit Control ol ay
20. an articulated mechanism in relation to another so that the device can be released by force applied to one of the parts An X ray system designed for irradiation of any part of the human body for the purpose of diagnosis or visualization An industry standard specification for interconnection of medical imaging equipment Trade name for the Direct Radiography Corp DirectRay Detector and DirectRay Controller GL 1 DirectRay Console DirectRay Controller DirectRay Detector Direct Radiography Exam Specific Algorithm ESA Focal Distance Generator Hospital Information System HIS Image Artifact kVp Lateral Look Up Table LUT mA mAs Oblique Operating System OS PA Positive Beam Limitation PBL Procedure RIS GL 2 EPEX Omniflex IV System User s Guide The DirectRay System component that houses the CPU where the user interface runs the DirectRay Controller and the uninterruptible power supply UPS It also stores the DirectRay Console Application the user interface for the system The interface between the DirectRay Detector and the DirectRay Console controls The DirectRay Detector is a flat panel that receives the X ray image and converts it to digital information The DirectRay Detector replaces conventional X ray film and cassettes A term used to distinguish the use of a photoconductor based method as opposed to the X ray capture and conversion method used in a scintillator
21. and wipe it clean Do not immerse the equipment in liquid Do not autoclave the equipment Maintaining System Components 5 3 EPEX Omniflex IV System User s Guide Checking the Equipment Integrity You should perform the following checks to ensure that the equipment is functioning and operating safely e Ensure fastening hardware is tight and that there are no missing or defective parts Ensure buttons and switches which are supposed to light do e Check that indicators and lights are working properly Ensure all switches operate smoothly e Check all exterior painted or plated surfaces for evidence of deterioration Ensure all name plates legal labels and warning labels are legible and secure Ensure electrical cables cords connectors and fittings are secure Check all cables for abrasions and damage pay particular attention to locations where cables are draped and subject to stress due to tube positioning System Periodic Maintenance The recommended schedule of required tests should be performed at the required intervals by either the X ray equipment dealer or an authorized service technician To ensure continuing compliance with the U S Department of Health and Human Services Regulations these tests may be performed more frequently than the indicated intervals The service technician must conduct the tests pursuant to the requirements of 21 CFR 1020 30 Refer to recommended maintenance schedules for the c
22. assigned image laterality and patient orientation and correcting them if necessary e Cropping the image e Selecting the sheet format and specifing the image cell on the sheet for the current image Using the True Size helper to ensure that the image can print at its actual size e Using a mask to outline the image and make the area outside the mask black e Adding markers to the image Selecting the ESA or IT image processing method Changing the look up table LUT curve of the image to change its appearance e Adding a comment to an image which is sent with the image to DICOM workstations e Accept the image as it is OR e Reject the image 2 48 Basic Operations EPEX Omniflex IV System User s Guide The following topics explain how to perform these tasks A sample of the Image Preview window is shown below PUBLICAJOHNAQ 8687 CHEST 2 VIEWS PA LAT PA Options Co ZE mage Mirrored during I Fap Fpa vat FOB Clear All Marks Reset Comments BIE Darker more contrast ESA IT ld 4 M a Window Center Ee Lighter more contrast Reset Curve Chest PA z Exam Factor 172 Image Laterality Uls kVp 120 m ds 3 Patient Orientation Row ES hf Reject
23. cdr Basic Operations 2 33 EPEX Omniflex IV System User s Guide Rotating the Articulating Arm Figure 2 9 shows the controls you use to rotate the Bucky s articulating arm Figure 2 9 i Arm Rotation Release ES e TM30 007 CDR To rotate the articulating arm press this release on the tower handle TM20 069 cdr 2 34 Basic Operations EPEX Omniflex IV System User s Guide Step 5 Positioning the X ray Tube and Collimator You position the X ray tube and Collimator by moving the Overhead Tube Crane from which they are suspended The Overhead Tube Crane consists of longitudinal rails a transverse bridge a transverse carriage and telescoping column and a control console Refer to Figure 2 10 Figure 2 10 Omniflex IV Overhead Tube Crane Transverse Carriage Telescoping Tube Arm s EVA i SA G RA s i Collimator Ap M Control Console Longitudinal Ceiling Rails MC10 212 eps Basic Operations 2 35 Features EPEX Omniflex IV System User s Guide The features of the Omniflex IV overhead tube crane include Digital height readout indicating the focal film distance either to the Bucky table top or floor Digital angulation readout Easy Touch dome switches Clear unobstructed viewing and access to Collimator controls and indicators Built in lateral CABL TRAC M for concealed support of high voltage cables
24. ee esent t Qeon tin ene egeo 2 45 Two Stage mage Pre VIE W citet oes aa te teret abiens 2 47 Step 7 Accepting or Rejecting an Image esse 2 47 Rotating or Mirroring the Image Optional 2 48 Verifying and Correcting Image Laterality and Patient Orientation Settings Optional eee 2 49 Cropping an Image Optional eere 2 49 Selecting the Image Position on a Multiformat SDeBt Optional eoe seio tie ocio t hedera et aie Feo e ea eens tese 2 49 Using True Size Helper Optional sess 2 50 Masking an Image Optional 2 50 Adding Markers to the Image Optional 2 50 Selecting ESA or IT Optional eese 2 50 Changing the Appearance of the Image Optional 2 51 Adding Comments to an Image Optional 2 51 Accepting the Hagen oec peo a en Qe dee 2 52 Rejecting the Image 1681 65 e ed de actis oae ae te esas 2 53 Step 8 Opening an Additional Procedure Optional 2 54 Step 9 Adding a View to a Procedure Optional 2 54 Step 10 Closing the Study Visit and Patient 2 54 Step 11 Signing Out from an Acquisition Session 2 55 Switching User levels eiu eee si dico nde ates eee iet 2 56 Powering Down the System Components
25. images to one sheet Note You must be sending the images to a printer to use this option Print True Size Use this option when you are printing to a printer 3 14 that supports True Size and want to print the image at its true size Managing the Image Output Queues and Resending Images EPEX Omniflex IV System User s Guide Option Description Print Ruler Use this option when you want to print a ruler on the sheet Print Optimize Use this option when you want the destination Orientation hardcopy output device to adjust the image size and orientation to fit within its image area on the sheet at the largest size possible Managing the Image Output Queues and Resending Images 3 15 Chapter 4 Protecting Patient Records This chapter explains how to protect patients and their related images from being deleted by the system Contents DUBIE o o 2 ORBgS PVT UC Ww dod nct iy Ri eB dts dtd esM a IE LE 4 2 Reclamation Stale gy Second ae ceed sedition et eat Luo edu ss 4 2 Procedure for Protecting a Patient Record eese 4 3 4 1 Overview EPEX Omniflex IV System User s Guide Patient records and images are stored in the DirectRay Console CPU temporarily until storage space begins to get low Then the system deletes the oldest patient records and images to make room for new ones The amount of storage space depends on the specific storage capacity configured for your DirectRay Console Your Del
26. may want to reject an image for example if the patient moved during the exposure Note Unless auto cleanup of To reject the image the reject bin has been configured rejected images must be manually deleted by Step Action the system administrator the 1 In the Image Preview window click the Reject button system does not delete rejected images when it The Image Rejection Information window displays as shown reclaims disk space below In this window you enter a reason for the rejection HI Image Rejection Information Tech prs Rejection List Bad Placement Patient Moved Operator Error Other fill in below Patient Smith John H Exam time 01 28 99 11 42 AM Return to preview GS00 1281if 2 Choose one or more reasons from the displayed list of default comments and or type in a reason 3 To save the rejection reason and reject the image click the Reject button The Rejection Reason and Image Preview windows close and you can then recapture the image To dismiss the window and return to the Image Preview window without rejecting the image click the Return to Preview button Rejected images are stored in a designated reject bin storage area in the DirectRay Console and can be discarded or resent to an output device by users with administrative operating privileges 2 b4 Basic Operations EPEX Omniflex IV System User s Guide Step 8 Opening an Additional Procedur
27. or order date Any combination of these criteria can be used for any given query To query the information system for a patient choose the Worklist tab then choose the Patient Query tab Enter the following search criteria in any combination e Patient ID The Patient ID must be an exact match e Patient Name You can enter the entire name or use the asterisk as a wildcard character to specify only a portion of the name Follow the same text entry guidelines as described previously under Choosing an Existing Patient or Visit Using the Search Function e Study ID Accession Number in the sample window The study ID number must be an exact match Requested Procedure ID not applicable for all installations This ID must be an exact match Date Range Choose a date range from the Date drop down list The within 3 days date range option includes the 3 days prior to and 3 days following today The other within options behave similarly Note that when you return to the Patient Query window after completing exams the Date range always reverts to today When you are finished entering the search criteria click the Query button or press the Enter key The list of patients matching the search criteria displays as shown in the sample window on the next page In this example the search criterion PUB was entered in the Patient Name field To navigate through a list that is too long to be entirely displayed refer to the topic C
28. or the DirectRay Detector typically include an explanation of the problem and suggested corrective action These error messages are not included in this chapter Also for a listing of the error messages related to the X ray tube tube suspension arm or Collimator refer to the accompanying user guide for those components Troubleshooting EPEX Omniflex IV System User s Guide CPU Problems This topic explains simple corrective steps you can take to troubleshoot common CPU problems that might occur in the course of daily operations Table 6 1 lists each problem and the appropriate corrective actions Table 6 1 CPU Problems If this happens Do this The CPU does not startup after pressing the power key on the keyboard During startup one of the tasks in the Startup window fails The CPU powers up successfully but reports a blocking error The CPU powers up successfully but the DirectRay Console application does not start The keyboard is not responding Mouse trackball is not responding You cannot logon The CPU user interface is locked The system cannot read a scanned bar code Troubleshooting Contact Del service Power down the CPU refer to Step 1 Powering Down the DirectRay Console CPU in Chapter 2 and power up the unit again If it still fails contact Del service Power down the CPU refer to Step 1 Powering Down the DirectRay Console CPU in Chapter 2 and power up the CPU
29. oues tet vertidos suite i lated eeu edo tut uec Loud au bise bu te et DER Vou din 6 2 CPU Problems A uiro Ede roto duse eee UE 6 3 X ray Generator Problems s uso obe Eb cito Lo aot cte t iit s 6 4 Troubleshooting Image Problems esee 6 6 Miscellaneous Problems nian ue ped ed d teduda ln 6 8 Powering the DirectRay Components On and Off 6 9 L ss of Electrical POWE totii iaire Feet ootu lt e notan 6 10 X ray Generator Error Codes CPI eesesssesesseesesreeseseresressesseseresresss 6 11 6 1 Overview 6 2 EPEX Omniflex IV System User s Guide This chapter lists the error codes error conditions and alarms that the system components can produce This includes DirectRay Console component problems related to starting up the DirectRay Console or problems with system peripherals such as the keyboard or bar code scanner and so on How to determine the status and reset the X ray Generator DirectRay Console alarms function related to the DirectRay Console application the DirectRay Detector and remote devices on the network such as printers and view workstations Loss of power causing the Uninterruptible Power Supply UPS to provide backup power X ray Generator error codes Refer to the following topics for a complete listing and recommended actions The error messages whose source is a problem with either the DirectRay Console application the DirectRay Controller
30. power down the DirectRay Console s UPS press the UPS power switch to the Off 0 position Refer to Figure 2 14 The DirectRay Detector and DirectRay Controller are powered off Figure 2 14 UPS Power Switch ON OFF Switch VIEW A aj E787 19 S Basic Operations 2 61 EPEX Omniflex IV System User s Guide 2 62 Basic Operations Chapter 3 Managing the Image Output Queues and Resending Images This chapter describes the procedures for managing the image output queues and resending previously acquired images that are still stored in the system Contents Subject Page OSV VNC wide sese sab ads emp te Gee eda E di s 3 2 Managing the Image Output Queues eene 3 3 Resending Images to Output Devices eeeeeeree 3 6 Repreviewing Images ondes reos scc ot edenda bede t oorB 0 3 10 3 1 Overview Note Images are not stored indefinitely To ensure that there is always sufficient room to store newly acquired images the system deletes the oldest images as needed to reclaim storage space However you can protect specific patient images so that they will not be deleted Refer to Chapter 5 for more information 3 2 EPEX Omniflex IV System User s Guide As images are captured they are put in queues assigned to the output devices The images wait in the queues until the DirectRay Console is able to establish communication with the output device and the output device is re
31. properly licensed practitioner CAUTION assistance contact Del The EPEX Omniflex IV system produces ionizing radiation The DirectRay Detector may only be operated in an area that is located beyond the The EPEX Omniflex IV system includes no user serviceable parts For service 20 Gauss limit 1 10 Introduction gt WARNING WARNING gt Z Z e Cleaning Caution n gt CAUTION gt CAUTION gt CAUTION Introduction EPEX Omniflex IV System User s Guide The EPEX Omniflex IV system and associated cables must not be operated in the presence of moisture The EPEX Omniflex IV system is not suitable for operation in the presence of a flammable anesthetic mixture with air oxygen or nitrous oxide Excessive use of the keyboard and mouse or trackball may result in repetitive strain injury Do not spray cleaning solution directly onto the equipment Moisten a cloth with the solution and wipe the equipment Do not immerse the equipment in liquid Do not autoclave the equipment Symbols EPEX Omniflex IV System User s Guide O Power Off used with the DirectRay Console UPS Power On used with the DirectRay Console UPS Qe Ethernet Connection TP Ge Twisted Pair Ethernet Connection Explosive Gas flammable N Attention Read the CAUTION or WARNING statement that follows Non Anesthetic Proof Universal Interface Connection Identifiers D Sound
32. service representative can tell you approximately how many images can be stored before reclamation begins You can protect patient records and the related images from being deleted as part of this reclamation process You might want to do this if you will be creating new studies for the patient and want to avoid having to enter the demographic information again Or you may want to resend images to output devices Reclamation Strategy Note Image reclamation is independent of the patient record reclamation Deleting images as part of reclamation does not cause the related patient record to be deleted Patient records tend to stay in storage longer than images 4 2 When the available storage capacity drops below a predefined level patient records and images are deleted on a first in first out basis When a patient record is due for deletion the image spool is checked for images associated with the patient record to be reclaimed then the following rules are applied e If any ofthe patient s images are in the image queue the patient record is not reclaimed e If any of the patient s images are in the reject bin the patient record is not reclaimed e If there are no images in the image queue or reject bin associated with the patient and a patient s study is not currently open the patient record and related images are eligible for deletion Images are deleted on a study basis That is once acquired images in a study hav
33. the image The LUT is applied to the 12 bit log data to optimize the image data prior to viewing it on the DirectRay Console monitor If the user accepts the image the LUT is sent with the image data to the selected output devices Indications for Use The EPEX Omniflex IV system has applications whenever DirectRay radiographic images are created and transmission of these images and related text are required from DirectRay technology to hardcopy softcopy or archive Follow all safety labels on the equipment Introduction 1 3 EPEX Omniflex IV System User s Guide System Functions Table 1 1 indicates where you can find information about specific system functions Table 1 1 EPEX Omniflex IV Functions EPEX Omniflex IV Functions For More Information Operator Input Associate patient data with radiographic images Define the study Select the output destinations Modify output device parameters Save an incomplete procedure Close a procedure Work with multiple open studies Projection Position the Radiographic Table and Bucky to support a wide variety of radiographic projections Position the X ray tube to support a wide variety of radiographic projections Image capture and processing Adjust technique settings Capture the required X ray image Preview accept or reject the image Crop images Chapter 2 Chapter 2 Chapter 2 DirectRay Console Administrator s Guide Chapter 2 Chapter 2 DirectRay Console Us
34. the patient information the main window is updated as shown in the sample screen below Note that The patient name displays in the Patient panel The visit number displays in the Visit panel The study ID displays in the Study panel The chosen procedure name displays in the Study panel e The series of image views that are to be captured as defined by the chosen procedure are displayed The exposure technique settings relative to the chosen procedure are displayed After entering and saving patient information you are ready to choose the output devices to which you want to send the images Refer to the topic Step 2 Choosing Output Destinations on page 2 29 Alarm Indicator button Technique settings area Hologic Hospital File E t Admin Help User logon name PUBLIC JOHN Q vv CHEST PA LAT W OBLIQUES p Sen Out 7 mad Tie atient tT t nen t t X ra zm TT ray Generator B RANG 20 t oo 4 0S0 0 500 rn Va messages Patient panel p displayed here p E M Orientation AEC Focal Spot Patient CHEST OBL SIZE2 p y lew Es A JG 1 Control Density X ray Generator 9 t a 1 mE Va status panel Screen Eu 1 Meat Catartor XRay Switch New Edit 2 ox Study TUS Sud oan PA LAT W OBLIQUES Close Study Image panel Procedure CHEST PA LAT a Study panel Sues 7067067 2s PA kVp LAT New e Aat ue j m m m L409 j i n 2 Em LA Jobs in queue Out
35. 0 Anode Warning Level Exceeded 6 14 EPEX Omniflex IV System User s Guide Table 6 4 CPI Error Code Descriptions Generator Error Code Description E201 Fluoro Timer Warning Level Exceeded E211 Calibration Limit Selected parameter not Calibrated E212 Generator AEC Density Limit E213 Invalid Communication Parameter E214 Housing Heat Warning E215 CT Termination Input Wrong State E216 Deselect Tomo Table E217 Select Tomo Angle E218 Invalid Tomo Angle E219 Generator PPS Limit E220 Generator Power Supply Duty Cycle Warning Troubleshooting Appendix A opecifications This appendix provides e System specifications Environmental and installation requirements Contents Subject Subsystem Specifications uoo Ae atu reped enda as EnvironmeTt 5 455 tof dete tute eee dete Cose tied ete tevetae dele debet ie aces te lee Pow ts A 1 EPEX Omniflex IV System User s Guide Subsystem Specifications This topic contains specifications for the following subsystems e DirectRay Image Capture system DirectRay Detector and DirectRay Controller e DirectRay Console Ceiling mounted tube suspension e X ray Generator e Radiographic Table DirectRay Image Capture System Weight DirectRay Detector 8 6 kg 19 Ib DirectRay Controller 7 3 kg 16 3 Ib Dimensions DirectRay Detector Width 46 7 cm 18 4 in Height 46 7 cm 18 4 in Depth 4 3 cm 1 7 in DirectRay Controller
36. 00_115 tif Managing the Image Output Queues and Resending Images 3 11 3 12 EPEX Omniflex IV System User s Guide Step Action 3 Choose the patient record from the list by clicking on it The images for that patient display as thumbnails in the Image Management window 4 If not already selected click the Repreview tab 5 Click on the image you want to repreview The details pertaining to the image display in the upper right box GS00 348 tif Managing the Image Output Queues and Resending Images EPEX Omniflex IV System User s Guide Step Action 6 Click the Repreview button The Repreview window displays The image is displayed with the options rotate mirror cropping masking markers and image processing settings as they were set when the image was accepted PUBLICAJOHNAQ 8687 CHEST 2 VIEWS PA LAT PA Options Co Ha mage Mirrored during Acquisition Clear All Marks Reset Comments fx 1 Darker more contrast l E 4 Center 4 gt marn EA om Window 4 Lighter more contrast Reset Curve Chest PA Feet Posterior Exam Factor 170 kVp 120 mAs 3 time 16 ms Image Laterality U d Patient O
37. 1 60131 1330 USA Toll Free 1 800 800 6006 www delmedical com Contents EPEX Omniflex IV System User s Guide Contents About This Manual P Wild c te ie ie lo Al a Se as Se ot a ts ia elias ix Indications for S6 2c cotone et E A EER ix Prerequisites co eof eH eG ee ex ix SCOPE EAE ix cu x Conventions Used in This Manual essent xi Chapter 1 Introduction What Is the EPEX Omniflex IV System ascii cece bids cade Qeeds Schewsssereeese ls 1 2 What Is brirsed Cm 1 3 Ici attons for WSC ote ndi aei a ite siia meae 1 3 System PUNCHOMS E 1 4 DUSICHEC ODDOHSTIS coit a E dn dee RE Ls 1 5 Direotkav Detectou BUCY ss site ettet eto tte ers 1 6 X ray Tube and Collmator 5 aene 1 6 Radiographic Table oet tinte re annn 1 6 Xray Generatori easta e a E qtia EEA R 1 6 Omniflex IV Overhead Tube Crane eee 1 7 Directaav Console nena rr ERR ER MM RR ide ERe Seeds 1 7 Outpt DEVICES P E 1 8 Image Aequisitloli ance a ee eine ee ae e de de 1 9 Safety and Compliance Information eene 1 10 Sale PISESULTON S s coeunt ee 1 10 General Use Cautions and Warnings eene 1 10 Cleaning C UHODS Coa oeste pto ebbe aed iste Udende Waar Suara 1 11 SS VMI Ss o Tis rta testi tut edasio sae pr sues First aura Peut oU De Doce tu Vo ONT 1 12 United States Federal and State Regulations 1 14 IEC Regulations
38. 4 kVp 100 kVp typical Dual speed starter AEC programmable by operator Two and three point manual techniques Manual APR AEC override 380 440 480 Vac 3 phase A 5 EPEX Omniflex IV System User s Guide Environment Transit Storage Temperature Maximum gradient Relative humidity Maximum gradient Pressure Shock Operating Temperature Maximum gradient Relative humidity Maximum gradient Maximum altitude Maximum vibration Pressure Installation Requirements 20 to 45 C 4 to 113 F assuming the DirectRay Detector is shipped in a Del insulated shipping container 15 C 27 F per hour assuming the unit is stored in a shipping container approved by Del 30 to 8096 non condensing 10 per hour 11 6 to 23 2 psia 600 to 1200 hPa Drop Test per IEC601 1 10 to 35 C 50 to 90 F 5 C 9 F per hour 10 to 7596 non condensing 1096 per hour 3 000 m 10 000 ft 0 5 G RMS 13 5 to 20 5 psia 700 to 1060 hPa Flat and level within 3 mm 0 12 in in both directions over the entire equipment area Capable of supporting the operating weight of the equipment For more information refer to the specification tables for each subsystem presented earlier in this appendix Flooring Leveling Load Bearing Ceiling Suggested Height A 6 290 cm 114 in Specifications Accession Number AEC Antiscatter Grid AP Artifact Autoclave Automatic Exp
39. Accept Sr 16 ms Patient Orientation Column F f GS00_333 tif Rotating or Mirroring the Image Optional If required you can rotate or mirror the image For more information refer to Rotating the Image and Mirroring the Image in Chapter 3 in the DirectRay Console User s Guide Basic Operations 2 49 EPEX Omniflex IV System User s Guide Verifying and Correcting Image Laterality and Patient Orientation Settings Optional When an image is captured it is assigned image laterality and patient orientation settings that are predefined for the selected view You can change these settings from the default ones assigned For more information refer to Verifying and Correcting the Image Laterality and Patient Orientation Settings in Chapter 3 in the DirectRay Console User s Guide Cropping an Image Optional You can crop an image for output to a printer The cropping applies only to the image when it is sent to a DICOM print or storage device For more information refer to Cropping and Image in Chapter 3 in the DirectRay Console User s Guide Selecting the Image Position on a Multiformat Sheet Optional Note Multi format film will not automatically print until all the spaces are filled If exam is finished and all spaces are not filled the film can be printed by clicking the Close Study button Note If you choose one of the formats other than 1 up use text on fil
40. As duration seconds and at times the Source to Image Distance SID Prescription for the technique factors and geometric arrangement of the X ray source patient and image sensor that yields and image of organs of interest seen on a specific orientation A set of studies identified in a locally unique manner and performed on a particular patient at a particular site for a particular reason A visit is normally identified by an accession number or a Visit ID and is associated with a diagnosis
41. K button To cancel the change click the Cancel button 2 8 Basic Operations EPEX Omniflex IV System User s Guide Warming Up the X ray Tube Basic Operations A CAUTION Producing X rays with a cold or improperly warmed tube considerably shortens the life of the X ray tube To prolong the life of the X ray tube do not acquire images without first warming up the tube The tube should be warmed up at the start of each day and whenever the tube has been inactive for more than four hours To perform the tube warm up Step Action 1 Ensure everyone is out of the X ray room 2 Close the Collimator shutter using the shutter controls 3 Cover the Collimator or the Bucky with a lead apron or position the X ray tube so it will not expose the DirectRay Detector to unattenuated dosage 4 In the DirectRay Console application main window with no patient chosen click the Conventional Mode button A warning dialog box displays WARNING This mode is NOT for DirectRay DIGITAL IMAGING ACQUISITION OK MCo0_403 tif 5 Click the OK button The Conventional X ray Mode window displays 6 Set the technique settings as instructed in the Tube Warm up panel 7 Take exposures until the heat units count reaches 7 to 9 8 When you have completed the exposures click the End Conventional Mode button and remove the lead apron from the tube The DirectRay Detector is now disabled but the X r
42. LAST FIRST MIDDLE searching for the first name John requires preceding it with an asterisk that is John Search entries are case insensitive you can enter upper or lower case letters To search by patient ID click the Patient ID tab enter the ID in the search field then click the Search button or press the Enter key To search by visit number click the Visit tab enter the visit number in the search field then click the Search button or press the Enter key EPEX Omniflex IV System User s Guide The list of patients or visits matching the search criteria that you entered displays for example refer to the following sample window 2 16 Basic Operations Basic Operations EPEX Omniflex IV System User s Guide To navigate through a list that is too long to be entirely displayed refer to the following illustration To scroll to the top of the list click here To scroll up one entry at a time click here To scroll down one entry at a time click here To scroll to the bottom of the list click here scr145 TIF DK20 032 cdr To clear the list and start a new search click on one of the other search tabs for example Patient ID or Visit To choose a patient or visit from the list click on the entry If the patient entry that you chose has multiple visits associated with it the visits are listed after clicking the patient entry Click on the visit you want to open If the visit entry that yo
43. RIS Local DB This tab allows you to manually enter patient information or search the local database for a patient or visit This tab functions as described in the topics Adding a New Patient Manually on page 2 13 and Choosing an Existing Patient or Visit Using the Search Function on page 2 15 2 21 EPEX Omniflex IV System User s Guide The enhanced Enter or search for patient window is shown below MCOO 153 2 22 Basic Operations Note The query fields are configurable and are named per the criteria for your specific facility Note In addition to the specific search criteria you enter the chosen Date Range criteria always applies to the query Ensure that the date the patient s exam s were ordered is included in the Date range field before initiating a query Basic Operations EPEX Omniflex IV System User s Guide Retrieving Patient Records from the Modality Worklist Provider You retrieve patient records from the Modality Worklist provider by using search criteria to query the Modality Worklist provider In response the Modality Worklist provider returns the patients that match the search criteria You then choose the patient and study whose images you want to acquire The Patient Query is useful when searching for a specific patient or study The patient search criteria that can be used includes patient name patient ID study ID for example an accession number Requested Procedure ID and
44. Ray components that is the DirectRay Controller and DirectRay Detector on and off Typically you should not power the DirectRay components off you would only do this at the direction of a Del service representative To power the DirectRay components off Step Action 1 Finish or close the open study 2 From the Admin menu choose Device Control The DirectRay Device Control window displays DirectRay Device Control DirectRay DirectRay Power ON 7 Power OFF Input Choice OK DKO0 054 tif 3 Choose the DirectRay Power Off setting 4 To turn off power to the DirectRay components and close the window click the OK button To power the DirectRay components back on redisplay the DirectRay Device Control window choose the DirectRay Power On setting then click the OK button Troubleshooting 6 9 EPEX Omniflex IV System User s Guide Loss of Electrical Power 6 10 In the event of a loss of electrical power to the DirectRay Console s Uninterruptible Power Supply UPS the UPS automatically provides about 10 to 15 minutes of backup power to the CPU DirectRay Controller in the cabinet and DirectRay Detector While backup power is being used the UPS sounds a high pitched alarm If the UPS backup power is activated the DirectRay Console begins a 5 minute counter If normal power is restored within five minutes the DirectRay Console automatically switches back to norma
45. Refer to Chapter 5 for more information Patient Name Patient ID Enter Patient Name for wildcard The Resend function enables you to view thumbnails small versions of images previously acquired for a patient and then retransmit the full images to one or more specified output devices In addition to the images the original patient information comments and text annotations are sent To resend images from a previous patient exam Step Action 1 From the Admin menu choose Image Management Admin Manage Queues Protect Patients Calibrate Image Management DR Device Control MCo0_411 tif The Choose a New Patient window displays Choose A New Patient 3 6 Search Search Results Selec Name D Sex DOB T Close DK00 045 if Managing the Image Output Queues and Resending Images EPEX Omniflex IV System User s Guide Step Action 2 To search by patient name click the Patient Name tab enter the name in the search field then click the Search button or press the Enter key To search by patient ID click the Patient ID tab enter the ID in the search field then click the Search button or press the Enter key The list of patients matching the search criteria that you entered displays for example see the following sample window For patients who have multiple studies an entry is listed for each patient study combination Note You can us
46. Union by the following Villa Sistemi Medicali Via delle Azalee 3 20090 Buccinasco MI Italy Chapter 2 Basic Operations This chapter provides basic information about using the DirectRay Console to acquire images and send them to output devices It also includes procedures for system start up shut down and X ray tube warm up Contents SUBRCE C P8ge Starting Up and Logging On to the System sess 2 2 Warming Up the X ray Tube inerte beate be eeo iacta 2 9 apt rib Ima SES coo Nebel udis Rad e An hy See Ue C E 2 11 Powering Down the System Components eese 2 57 2 1 EPEX Omniflex IV System User s Guide Starting Up and Logging On to the System To start up the system and prepare for acquiring patient images Step Action 1 Power up the uninterruptible power supply UPS which in turn powers up the DirectRay Detector and DirectRay Controller 2 Power up the X ray Generator 3 Check that the other X ray system components are on and working properly 4 Power up the DirectRay Console CPU 5 Log in to the CPU s operating system 6 Log in to the DirectRay Console application The following topics provide instructions for performing each of these steps The DirectRay Console CPU should be powered down once a day to ensure a complete system reset If this is not done system performance deteriorates CAUTION The DirectRay Detector should be powere
47. Width 49 5 cm 19 5 in Height 37 8 cm 14 9 in Depth 9 4 cm 3 7 in Image Area Full field 35 x 43 cm 14 x 17 in nominal active image area Detector Pixel 139 um 129 um x 129 um active element size 2560 x 3072 detector element matrix 89 geometric fill factor Presampling 98 at 1 0 cycles mm MTF 89 at 2 0 cycles mm 70 at 3 0 cycles mm Static Load 18 kg 39 Ib applied to the front surface over a nominal 10 x 10 cm 4 x 4 in area A 2 Specifications DirectRay Console Omniflex IV Overhead Tube Crane Specifications EPEX Omniflex IV System User s Guide Weight Base Top Surface Clearance Weight Electrical Weights 159 kg 350 Ib Width 71 cm 28 in Depth 49cm 19 in Height 100 cm 39 in without monitor 150 cm 59 in with monitor Width 84 cm 33 in Depth 56cm 22 in 30 cm 12 in minimum on both sides 75 cm 30 in minimum in front 125 kg 275 Ib without monitor 156 kg 350 Ib with monitor US 115 Vac 50 60 Hz 5 A Europe 220 Vac 50 60 Hz 3 A Longitudinal Rails length used is site dependent 14 ft 4 27 m 16 ft 4 87 m 18 ft 5 48 m 20 ft 6 09 m 8 ft 2 44 m 10 ft 3 05 m 12 ft 3 65 m 14 ft 4 27 m 16 ft 4 88 m Tube Collimator 154 Ibs 69 7 kg per set of 2 177 lbs 80 1 kg per set of 2 200 Ibs 90 6 kg per set of 2 225 lbs 102 kg per set of 2 Transverse Bridge length used is site dependent 175 Ib 80 kg 200
48. abled until the heat units drop to a safe level If this condition occurs a message displays and an audible beep sounds Basic Operations EPEX Omniflex IV System User s Guide The Status indicator on the DirectRay Console application s main window displays a message to indicate when the DirectRay Detector is ready for the next exposure e A Wait countdown indicates that the DirectRay Detector is refreshing for the next exposure This countdown occurs only when the DirectRay Detector has been recently powered up or if an exposure has been aborted e Ready to expose indicates that the DirectRay Detector is ready to capture an exposure To acquire an image Step Action 1 Wait until the Status indicator reads DirectRay Ready green background Status DirectRay Ready scr313 TIF Note The DirectRay Detector goes into sleep mode to save energy if it has not been used for a predefined period of time Opening a patient record or running the tube warm up awakens the DirectRay Detector If this has happened you might have to wait a few minutes for the DirectRay Detector to enter its ready state Press the Prep Expose button half way to the second position and hold Give the patient breathing and or pre exposure instructions Press the Prep Expose button all the way to the second position and hold When the exposure occurs the Status panel turns grey and a tone sounds Note While behind the leade
49. ady E010 No kV during exposure E011 mA during exposure too high E012 mA during exposure too low E013 Operator released exposure switch during exposure E014 AEC exposure exceeded allowed back up time E015 AEC exposure exceeded allowed back up mAs E016 Tomo Back up Timer Exposure Terminated E017 Uncalibrated Exposure Parameter E018 Preparation Time out Error E019 Selected parameters will cause X ray tube to exceed its programmed anode heat limit E020 Thermal Switch Interlock 1 Error 6 12 EPEX Omniflex IV System User s Guide Table 6 4 CPI Error Code Descriptions Generator Error Code Description E021 Thermal Switch Interlock 2 Error E022 Door to X ray room is open E023 Collimator error not ready E024 Cassette Interlock Error E025 II Safety Interlock Error E026 Spare Input Interloc Error E027 Receptor Time out Error Receptor did not respond within time out E028 Prep Input active during Initialization Phase E029 X ray Input active during Initialization Phase E030 Fluoro Input active during Initialization Phase E031 Communication Error Remote Fluoro E032 Communication Error Console E033 Lithium Battery Low Voltage Error E034 12 Vdc Error E035 12 Vdc Error E036 15 Vdc Error E037 15 Vde Error E038 Calibration Data Corrupt Error E039 AEC Data Corrupt Error E040 Fluoro Data Corrupt Error E041 Receptor Data Corrupt
50. ady to accept images You can view the status of queued images and remove images from a queue For more information refer to the topic Managing the Image Output Queues on page 3 3 You can also resend images to the output destinations for example film printers or workstation displays originally selected at the time of exposure or to different output destinations For more information refer to the topic Resending Images to Output Devices on page 3 6 Managing the Image Output Queues and Resending Images EPEX Omniflex IV System User s Guide Managing the Image Output Queues When you accept an acquired image it is placed in an output queue controlled by the DirectRay Console application A queue is used so that the image can be sent in the background and you can go on acquiring other images On the main windows in the application in the bottom right hand corner is an output queue status This allows you to monitor whether the output is being processed Refer to the following screen Hologic Hospital JE File Edit Admin Help PUBLIC JOHN Q CHEST PA LAT W OBLIQUES BE Sen cm p KVP m m s p Time Patient on t nn ti nen tj n 6nn t Name PUBLIC JOHN Q 1 DOB 09 01 1958 4 4 amp 4 ID 8687 ut Gender M Ori
51. again If the blocking error occurs again contact Del service Contact Del service Contact Del service Contact Del service Ensure you are using the correct login and password Note that passwords are case sensitive If you are still having a problem logging on contact Del service Contact Del service Contact Del service EPEX Omniflex IV System User s Guide X ray Generator Problems The Techniques portion of the DirectRay Console application s main window includes an X ray Generator Status field shown below After an exposure or other Generator event the most current status displays here If there is more than one message click on the up or down arrow buttons that appear to scroll through the messages CHEST OBL SIZE2 Status field Control To reset the generator GS00 130 tf click here GS20 074 cdr X ray Generator error messages are also displayed here For a list of Generator error codes refer to the topic X ray Generator Error Codes CPI on page 6 11 The error message is cleared automatically by the Generator when the error condition is corrected or when you click the Reset button For more information about resetting the Generator refer to the next topic Resetting the X ray Generator Note The need to repeatedly reset the system can indicate a serious problem If this occurs contact Del service 6 4 You may need to reset the X ray Generator after a faul
52. al Conditions uiii ato Ded dede teet tnit 5 5 Calibrating the DirectRay Detector eessseeeeeeeeeeeeeeennret 5 6 Contents Contents EPEX Omniflex IV System User s Guide Chapter 6 Troubleshooting OV ERVICW A scbatadetiidekied eti A Mati ecient TE UD 6 2 CPU Problems e Eoo RB o ord te istuc ool fecset eus 6 3 X ray Generator Problems siete o AU ons Mea URINE RISE eS 6 4 Resetting the X ray Generator sese 6 4 Console Alarm Messages cv ussite tached tiie ad tuf teu und odis 6 5 Troubleshooting Image Problems ceecceeeeeeeeeeececeeeeceteeeceteeeenaeeees 6 6 Guidelines for Ensuring Good Images eee 6 6 Diagnosing and Correcting Image Problems 6 7 Miscellaneous Problems adode tent Eo eq Oen a bate LI NAE 6 8 Powering the DirectRay Components On and Off 6 9 Loss or Electrical POWOta sn cudeou etn DIU ip i ssi eres 6 10 X ray Generator Error Codes CPI serere 6 11 Appendix A Specifications Subsystem Specifications cte sper eee en caer Rat et Qe eese eo rinde tes A 2 DirectRay Image Capture Systems 5odotncnost ipe rue de e das A 2 DirectRay Con sol ess s oe Iste rab qpi bo tat ebat ua UR hela oo ing A 3 Omniflex IV Overhead Tube Crane eee A 3 Radiographic Table eret een naniii te eden A 4 X ray ICEL Al OF qt oat aa tto bans va aaah uus ipeum ened A 5
53. ations on page 2 29 If you want to change the procedure refer to the topic Step 8 Opening an Additional Procedure Optional on page 2 54 Basic Operations 2 19 EPEX Omniflex IV System User s Guide Alarm Indicator button Technique settings area User logon name X ray Generator t E Va messages Patient panel displayed here CHEST OBL SIZE2 X ray Generator Visit panel status panel Image panel Study panel Jobs in queue Output panel Thumbnail of Detector Array Thumbnail of next view to exposure status acquired image be acquired panel MC20 306 cdr 2 20 Basic Operations EPEX Omniflex IV System User s Guide Choosing a Patient Using the Modality Worklist Query Basic Operations The DirectRay Console application includes an optional feature Modality Worklist that allows you to retrieve patient information from a Radiology Information System RIS This feature follows the DICOM Modality Worklist standard and requires your facility to have a DICOM Modality Worklist provider If this feature is configured on your system the Enter or search for patient window contains an enhanced user interface that includes two tabs e Worklist tab This tab includes two subtabs The Patient Query tab allows you to search for a patient in the Modality Worklist provider using several different search criteria The Todays Worklist tab allows you to retrieve a daily worklist of patients and visits from the
54. ations To add a new patient when not using a barcode click the New button in the Patient panel of the main window Patient Name DOB ID Gender New Edit Close MCOO 159 tif The New Patient Entry window displays a sample is shown below Note that for your site the fields in this window may be different In the sample the visit number field is labeled Admission Number New Patient Entry Patient Demographic Application _ Last Name PUBLIC First Name JOHN Middle Name Q Patient ID 8687 DOB MMDDYYYY 09 0 1958 Age of Patient 043 Gender M Referring Physician Patient Location Admission Number 7786786 Accession Number 7867867 Procedure Description Thorax CHEST PA LAT W OBLIQUES NOTE Fields with an asterisk are mandatory and require input Clear Cancel Accept Complete the fields in the window Fields whose labels include an asterisk are required fields When specifying the procedure From the first drop down list choose the exam type From the second drop down list choose the procedure within that exam type To save the patient information click the Accept button The Creating Editing Patient Information window closes To clear the patient information and reenter it click the Clear button To cancel entry of the patient information click the Cancel button 2 13 EPEX Omniflex IV System User s Guide When you finish creating or modifying
55. ay tube is enabled If you wish to use a conventional film cassette or Computed Radiography refer to the topic Capturing Images on Film in Chapter 3 in the DirectRay Console User s Guide Once the X ray tube is properly warmed up you can start capturing images Go to the next topic 2 9 EPEX Omniflex IV System User s Guide B Hologic Hospital File Edit Admin Help flea Conventional X ray Mode Not for Digital Acquisition prs Sign Out Ts A Lam M a ae 2 Patient 16 1 ann t nun t n onn tT se a a Gender Orientation AEC Passes peer TUBEWARMUP PA SIZE2 New Edit Close Visit r Control 1 mAs Ci Time m Reset je h Heat Generator XRay Switch Recommended Tube Warmup Procedure Visit l New Study Procedure Study Edit Close Set technique parameters for tube warm up kVp 75 mA 200 mAs 40 AEC OFF focal spot large 2 Ensure that the detector is blocked from the X Ray beam Manually close both vertical and horizontal collimator blades Use lead apron or screen to block the beam 3 Make exposures 3 seconds apart until the heat units rise to 7 9 4 Cl
56. ays Worklist Name DOB ID Patient ID Patient Name Accession Number Date Gender today Query New Edit Close Status E Patient ID Patient Name Sex Date of Birth Accession Number Visit t first Visit New Edit Close Study 4 Procedure prec Study I 4 next Outputs EEG Selection no outputs New Edi 4 last sites Conventional Mode Lu DROC ready Jobs in Queue 0 G800 107 tif 2 7 EPEX Omniflex IV System User s Guide Changing Your DirectRay Console User Application Password To change your DirectRay Console user application session password Step Action Edit BUE 1 From the Edit menu choose Change User Password Change User Password The Change Password window displays Edit Users Eu Change OS Password Change User Password GS00_200 tif User prs Enter Current Password Enter New Password Reenter New Password Cancel OK G500_108 tif 2 In the Enter Current Password field type your current password then click the OK button Note An asterisk character displays for each character you type to protect the privacy of the password 3 Type the new password in the Enter New Password field and in the Reenter New Password field Note This is required to verify that you are typing the new password correctly since you cannot see what characters you are typing 4 To save the change click the O
57. ctor enter energy saving sleep mode when not used for a period of time If you have to power down the system perform the steps outlined in the following topics Recommended Power Down Procedure Overview To power down the system it is recommended that you perform the power down tasks in the following sequence Step Action 1 Power down the DirectRay Console CPU 2 Power down the X ray Generator This also typically powers down the other X ray system components 3 Power down the DirectRay Console s UPS which in turn powers down the DirectRay Detector and DirectRay Controller The following topics provide instructions for performing each of these steps The DirectRay Console CPU should be powered down once a day to ensure a complete system reset If this is not done system performance deteriorates CAUTION In the Admin menu the Device Control function has a selection called DirectRay Power Off This does not turn off power to the X ray tube arm the Bucky or the table and should be used only when directed by a Del service representative CAUTION 2 58 Basic Operations EPEX Omniflex IV System User s Guide Step 1 Powering Down the DirectRay Console CPU To power down the DirectRay Console CPU Step Action 1 From the File menu choose Exit The Exit from DROC window displays Exit from DROC aj Do you want to s Power off the computer _ Restart the computer _ Log out
58. d As ESA Images 7 Comments Visit 7786786 Study CHEST 2 VIEWS PA LAT S Resend Repreview _ Resend all images for patient Resend selected image s Setups DryStar 3000 f Formats lup _ Print True Size if available Print Ruler Print Optimize Orientation Resend S00 346 tif Step Action 4 Choose the Resend options you want to use For a description of the options refer to the table that follows this procedure 3 To transmit the images click the Resend button A prompt displays a message that the resend was successful Click the OK button Managing the Image Output Queues and Resending Images EPEX Omniflex IV System User s Guide Step Action 6 When you are done resending images click the Close button to close the window Option Description Resend all Use this option when you wish to send all images images for from a patient study patient Resend selected Use this option when you wish to send a single or images for several images from a patient study patient Select all the required images by clicking on them The border s turns blue To deselect click the image again Setups Use this option to specify the devices to which you want to send the images Formats Use this option if you are printing multiple images to one sheet Note You must be sending the images to a printer to use this option Print True Si
59. d on at least 1 hour before intended use If it is used sooner than 1 hour after being powered on image quality can be affected For more information about powering on the DirectRay Detector refer to the topic CAUTION Step 1 Powering Up the UPS on page 2 3 2 2 Basic Operations EPEX Omniflex IV System User s Guide Step 1 Powering Up the UPS Note If at least five minutes does not elapse between Steps I and 4 you may get a DirectRay power up failure Figure 2 1 UPS Power Switch Basic Operations To start the DirectRay Detector and DirectRay Controller press the UPS power switch on the left side of the DirectRay Console cabinet to the On l position as shown in Figure 2 1 Once the power switch is in the On l position you must wait at least five minutes before powering up the DirectRay Console Refer to the next topic ON OFF Switch VIEW A ay E787 19 S eps 2 3 EPEX Omniflex IV System User s Guide Step 2 Powering Up the X ray Generator Starting the X ray Generator typically also powers up other X ray components such as the X ray tube the Collimator the overhead tube crane to which the X ray tube is attached the Bucky and the radiographic table To start up the X ray Generator press the ON power button at the front left of the DirectRay Console cabinet as shown in Figure 2 2 Figure 2 2 Generator Power Controls X ray Generator ON X ray Generator OFF
60. d wall when taking an exposure you must maintain verbal communication with the patient and keep the patient within your sight at all times After the tone stops release the button Give the patient the appropriate breathing instructions When the exposure is complete the Image Preview window opens and displays the image Your customized windows may look different from the windows presented in this manual 2 47 EPEX Omniflex IV System User s Guide Two Stage Image Preview Once the Preview Image window opens the image displays in two stages to allow you to start reviewing and working with it Initially a low resolution version of the image displays The message Loading image indicates that the high resolution image is still being processed With the low resolution image displayed you can perform any of the functions in the Image Preview window except changing the image appearance or accepting the image This stage allows you enough time to determine whether the patient positioning is satisfactory and if not reject the image without having to wait until the high resolution version is ready to display e After several seconds the high resolution version of the image displays With this version displayed all functions in the Image Preview window are enabled Step 7 Accepting or Rejecting an Image From the Image Preview window you can perform the following tasks e Rotating or mirroring the image e Verifying the
61. dentify the patient Key patient data from the facility s data base is then entered into the DICOM files for the current radiographic examination If the facility is not equipped with a HIS RIS the system can be prompted to search its own temporary records and copy relevant patient data if it is available If such data is not available the operator is prompted to enter patient data manually It should be noted that the storage capacity of the system is limited and the records of patients who were examined some time ago are not likely to still be in the system EPEX Omniflex IV System User s Guide Safety and Compliance Information Safety Precautions Do not remove covers from any part of the equipment for any purpose Do not defeat or bypass built in equipment safety features Do notattempt any repairs if the equipment fails to operate correctly Only qualified Del Field Service Engineers or Del authorized personnel should service the system Do notattempt to move equipment or connect or disconnect any communication cables Call a person qualified and authorized to alter the equipment installation e Observe all warnings and cautions in the procedures Follow all safety labels on the equipment e Keep fingers hands and tools clear of moving parts e Route cables properly to eliminate tripping hazards General Use Cautions and Warnings Federal USA law restricts this device to sale by or on the order of a physician or
62. dividual pixel or smaller the apparent contrast of that object can vary based on the position relative to the individual detector element locations For example the contrast of a single spherical object the same size as a pixel would have a different appearance if the object were imaged directly overlying a detector element highest contrast or placed at the intersection of four detector elements lowest contrast Objects inherently smaller than individual pixels will have a lower apparent contrast because of the digital sampling of the analog radiation intensity signal over an area larger than the small object In each case a lower apparent signal to noise can result in reduced visibility of such objects 1 16 Introduction Restrictions on Use EPEX Omniflex IV System User s Guide The customer is responsible for assuring that accessories used with the EPEX Omniflex IV system do not degrade the safety of the system Accessories and interfacing equipment used in conjunction with the EPEX Omniflex IV system and located outside the patient environment may be exempt from EN60601 1 Such equipment must however conform to EN60601 1 1 and therefore to standards applicable to information technology equipment such as EN60950 and to applicable electromagnetic compatibility requirements Authorized EU Representatives Introduction The manufactures or parts and subsystems in the EPEX Omniflex Overhead Tube Crane are represented in the European
63. e Optional For a given study you may want to open additional procedures to include their images in the study For more information refer to the topic Working with Multiple Open Procedures under the topic Working with Procedures in Chapter 3 in the DirectRay Console User s Guide Step 9 Adding a View to a Procedure Optional If the current procedure does not include all the views you want to capture you can add views to it For more information refer to the topic Adding a View to a Procedure under the topic Working with Procedures in Chapter 3 in the DirectRay Console User s Guide Step 10 Closing the Study Visit and Patient Note When all images ina study have been acquired the Close Study button displays in red Note The fact that a study is incomplete does not prevent the patient record and associated images from being deleted as part of the system s storage space reclamation process For more information about the reclamation and how to protect a patient record and associated images from being deleted refer to Chapter 4 Basic Operations After acquiring all images for a study you close the study You can then open a new study for the same patient open a new patient choose another patient or visit or log out of the session You can also close a study even though you have not finished acquiring all of the required images or have not acquired any images You can reopen the study at a la
64. e Automatic Collimation mode Ensure that the angulation of the X ray tube is 90 2 facing the Bucky Positioning the Overhead Tube Crane for Under Table Exposures To position the overhead tube crane for under table exposures Step Action 1 2 3 Rotate the Bucky to the horizontal position Bucky 0 SW is ON Position the Bucky Stand s arm at 0 Ensure that the Bucky is in Portrait or Landscape orientation not an intermediate orientation Rotate the X ray tube to 0 Note The Omniflex automatically enters Table mode whenever the angulation of the X ray tube is 0 15 X rays aimed vertically downward To use Auto mode Note The Omniflex must be equipped with the Auto option To turn on Auto mode press the Auto Mode soft key To turn on Lateral Center press the Lateral Center soft key If the message BUCKY LAT CNTR flashes on the Omniflex front panel display move the tube crane to Table mode lateral center Verify that the 40 in SID is displayed on the Omniflex front panel display To use the Automatic Collimation mode Ensure that the angulation of the X ray tube is 0 2 vertical Note When Auto is off in Table mode the differential SID between the X ray tube and Bucky appears on the Omniflex front panel display Basic Operations 2 45 EPEX Omniflex IV System User s Guide Adjusting the Collimator Use the Collimator shutter to help you aim and size the X
65. e Output Queues and Resending Images EPEX Omniflex IV System User s Guide Step Action 2 Locate the patient record To search by patient name click the Patient Name tab enter the name in the search field then click Search or press the Enter key To search by patient ID click the Patient ID tab enter the ID in the search field then click Search or press the Enter key The list of patient records matching the search criteria that you entered displays for example see the following sample window Note You can use the asterisk character as a wildcard character to broaden your search For example entering R ph would return patients named Randolph and Rudolph If using the wildcard character make sure you include at least one other character that is don t enter only an asterisk to avoid creating a large listing of patients up to the configured limit the default is 50 which might take several minutes to complete Note When searching for names they are stored in the system as LAST FIRST MIDDLE Therefore searching for the first name John requires preceding it with an asterisk that is John Also search entries are case insensitive you can enter upper or lower case letters Patient Name Patient ID Enter Patient Name for wildcard Choose A New Patient pu Search Search Results 2 entries PUBLIC JOHN A 119780909 PUBLIC JOHN Q 19580901 GS
66. e been sent to their output devices and the study is closed the images in that study are eligible for deletion unless the patient record is protected This is true even if the study is incomplete that is images have not been acquired for all views in the related procedure Protecting Patient Records EPEX Omniflex IV System User s Guide Procedure for Protecting a Patient Record Note It is strongly recommended that you do not protect too many patient records unnecessarily The system is not intended to be an archiving system If too many images are protected from removal you might run out of space to store new images Protecting Patient Records Step To protect a patient record and the related images Action 1 From the Admin menu choose Protect Patients Admin Manage Queues Protect Patients Calibrate Image Management DR Device Control MCo0_411 tif The Protect Patients window displays Find the patient whose record you want to protect To search by patient name click the Patient Name tab enter the name in the search field then click the Search button or press the Enter key To search by patient ID click the Patient ID tab enter the ID in the search field then click the Search button or press the Enter key Note You can use the asterisk character as a wildcard character to broaden your search For example entering R ph would return patients named Randolph and Rudolph If us
67. e crane s longitudinal direction The meanings of control console soft keys and LEDs change accordingly Unless noted otherwise the LED above the soft key indicates the lock status ON locks active OFF locks released A flashing LED generally indicates a function that needs to be performed to comply with required conditions 2 37 EPEX Omniflex IV System User s Guide Table 2 1 Omniflex IV Control Panel Component Descriptions Figure 2 11 Callout Control Number Component Description 1 Handles The control panel has three handles two on either side and one at the center below the panel Note Unless noted otherwise the LED above the soft key indicates the lock status ON locks active OFF locks released 2 All Locks Squeeze this grip switch located at the rear of the center handle to Release Grip release the lateral longitudinal and vertical locks and manually Switch position the tube crane To lock the tube crane in the current position release this switch When squeezed this switch stops all automatic motions and turns Auto mode off if it was on 3 Longitudinal Pressing either soft key releases the longitudinal lock allowing you Lock Soft Key to manually move the tube crane longitudinally Note With Auto Mode engaged the longitudinal lock is automatically applied when either the lateral center or SID position s is reached This function is dependant upon the Wall Mode position for which th
68. e of Birth Sex Admission ID 19300315 M 5551214 19800910 F 5551213 c L 19640401 M 5551212 Patient Name DAVID PUBLIC Q 166 JANE PUBLIC Q JOHN PUBLIC Q 164 Basic Operations GS00 134 if 2 25 EPEX Omniflex IV System User s Guide Reordering and Resizing Columns in the Entry List You can reorder or resize the columns in the patient entry list in the Worklist tab To reorder the columns click and drag the column heading cell to the left or right then release the mouse button when at the desired location To resize a column move the pointer over one of the border lines of the column until it turns to a bidirectional handle icon Click and drag the resize handle then release the mouse button when at the desired width Opening a Patient Study in the Entry List To open a patient study listed in the Worklist tab s entry list click on the entry That patient visit and study are opened in the main window as shown below Alarm Indicator button Technique settings area Hologic Hospital Fle E t Admin Help User logon name PUBLIC JOHN Q NE CHEST PA LAT W OBLIQUES pre Sen Out me Faden 1 it ncn it f rens cec eg 100 050 0 500 Xrey Generator DOB 0901 1958 zu 4 4 messages Patient panel pM TNR ETT drap displayed here New t n 5 Cootrel n Density E X ray Generator Visit panel n DEN E m iei Va stat
69. e room is configured 4 Down soft key This soft key activates the drive motor and moves the telescopic arm down While the arm is moving down its associated LED flashes To release the vertical lock and move the tube crane up and down manually press the Down and Up soft keys simultaneously Pressing this soft key while Auto mode is on turns Auto mode off 5 Up soft key This soft key activates the drive motor and moves the telescopic arm up While the arm is moving up its associated LED flashes To release the vertical lock and move the tube crane up and down manually press the Down and Up soft keys simultaneously Pressing this soft key while Auto mode is on turns Auto mode off 6 Transverse Lock Pressing either soft key releases the transverse locks allowing you Soft Keys to manually move the tube crane transversely Note The transverse lock is automatically applied when either the lateral center or SID position s is reached This function is dependant upon the Wall Mode position for which the room is configured 2 38 Basic Operations EPEX Omniflex IV System User s Guide Table 2 1 Omniflex IV Control Panel Component Descriptions Figure 2 11 Callout Control Number Component Description 7 AngulationLock Pressing either soft key releases the angulation lock allowing you Soft keys to rotate the X ray tube about the horizontal axis Press both angulation soft keys simultaneously
70. e the asterisk character as a wildcard character to broaden your search For example entering R ph would return patients named Randolph and Rudolph If using the wildcard character make sure you include at least one other character that is don t enter only an asterisk to avoid creating a large listing of patients up to the configured limit the default is 50 which might take several minutes to complete Note When searching for names they are stored in the system as LAST FIRST MIDDLE Therefore searching for the first name John requires preceding it with an asterisk that is John Also search entries are case insensitive you can enter upper or lower case letters a pales Name Patient ID Enter Patient Name for wildcard Choose A New Patient Search Results 2 entries Name PUBLIC JOHN A PUBLIC JOHN Q Managing the Image Output Queues and Resending Images 19780909 19580901 GS00_115 tif 3 7 EPEX Omniflex IV System User s Guide Step Action 3 To choose a patient from the list click on the patient entry The Image Management window is updated including the thumbnails minimized views of the images and related patient and image information as shown below zl Spool Utilization 13 Choose A New Patient Patient Name PUBLIC JOHN Q Image PA Protected No Capture 20021114 at 142957 ID 8687 Tech personl DOB 19580901 Accepte
71. ecord s protect status changes to no unprotected Protecting Patient Records Chapter 5 Maintaining System Components This chapter explains how to e Perform maintenance for the X ray equipment e Calibrate the DirectRay Detector Contents sue e o CCU CU _ F OVGLVIEW aito das buba scd das cedo adi delude lc n fa idol 5 2 Daily Maintenance sisirin ohio Oise ei i gi codes 5 2 Weekly NSTHIeDatiee uten se Lacie d aotei lenta bii ees cu 5 2 Monthly Maintenance ceret toe a tton beoe ea Ce teta tut veras be poesis Uoc ida n 5 3 System Periodic Marmtenan e u eei eee o ede Ghee Bees 5 4 Replacing the UPS Battery dob aoc dadee itu ibo edftetues l 5 5 Reporting Unusual Conditions s a aee ke ieee 5 5 Calibrating the DirectRay Detector essen 5 6 5 1 Overview EPEX Omniflex IV System User s Guide System components require little special care Normal care in handling and operating the equipment should ensure continuing satisfactory performance Some considerations for daily weekly and monthly maintenance of the equipment are provided here to prevent possible equipment damage or failure Also this chapter describes how to calibrate the DirectRay Detector Daily Maintenance The DirectRay Console should be powered down once a day to ensure a complete system reset For detailed instructions refer to Step 1 Powering Down the DirectRay Console CPU in Chapter 2 It is also recommended tha
72. entation AEC AEC Focal Spot Patient 1 CHEST OBL SIZE2 New Edit s 7 n Control 3 EB AEC Gs Ej Visit 121 i Density THES Visit 7786786 n it m LL Reset pScreen u 4 hi ri T Generator r XRay Switch New Edt 2 L Stud Study CHEST PA LAT W OBLIQUES y Add View ved AT ae Close Study Procedure CHEST PA LAT Study 7867867 120 PA kVp LAT LAO RAO New Edit Add Outputs Selection LP400 f New Edit msec Conventional Mode Jobs in Queue 0 GB00 113 tf Jobs in queue MDirectRay SD aoc J Roc ready MC20 311 cdr Because image files are large they can sometimes stack up in the output queue Also if an output device is not responding or has a problem the image cannot be sent and will be held in the queue The DirectRay Console will retry sending the image based on a retry count configured for the system You can examine the status of images in the output queue and remove images from the queue Managing the Image Output Queues and Resending Images 3 3 EPEX Omniflex IV System User s Guide To examine the status of images in the output queue from the Admin menu choose Manage Queues The Queue Management window displays Admin Manage Queues Protect Patients Calibrate Image Management DR Device Control MCo0_411 tif The spoolers queues for the available output devices are listed in
73. er s Guide EPEX Radiographic Table User s Guide Chapter 2 DirectRay Console User s Guide Chapter 2 Chapter 2 DirectRay Console User s Guide Introduction EPEX Omniflex IV System User s Guide Table 1 1 EPEX Omniflex IV Functions EPEX Omniflex IV Functions For More Information Administrative Resend images Repreview images Chapter 3 Chapter 3 Protect selected patient image files from reclamation Chapter 4 Calibrate the DirectRay Detector Chapter 5 System administration tasks DirectRay Console Administrator s Guide oystem Components The EPEX Omniflex IV is composed of the following components Introduction DirectRay Detector X ray tube and Collimator Radiographic table with articulating arm and Bucky Overhead tube crane DirectRay Console with DirectRay Controller The following are contained on and within the DirectRay Console cabinet CPU Central Processing Unit Monitor Keyboard e Pointing Device Bar Code Reader optional WAMI Wiring Adaptable Machine Interface Uninterruptible Power Supply UPS X ray Generator EPEX Omniflex IV System User s Guide DirectRay Detector Bucky The Bucky includes e The DirectRay Detector A grid with the DirectRay Detector e AEC Automatic Exposure Control You can use the positioning controls and rotation system to position the DirectRay Detector for a full range of patient needs X ray Tube and Collimator Radiog
74. erate within a large area as defined by the ceiling rails The telescoping tube arm allows the tube to be lifted up out of the way when not in use DirectRay Console The DirectRay Console is the interface between the operator the other system components and the Hospital Information System Radiology Information Systems HIS RIS The DirectRay Console application allows you to perform the following functions Input or retrieve patient and exam data e Control the exposure and image capture subsystems Acquire and process digital X ray image data e Output patient and exam data Administrative tasks The DirectRay Console includes the following hardware components shown in Figure 1 3 Computer with monitor keyboard pointing device mouse or trackball and modem e Uninterruptible power supply UPS e DirectRay Controller e Prep Exposure switch e Bar Code reader optional e Wiring Adaptable Machine Interface WAMI Introduction 1 7 Figure 1 3 DirectRay Console Components Output Devices Note Output devices are not a part of the system Contact your Del representative for a list of compatible output devices EPEX Omniflex IV System User s Guide Image Preview Monitor Bar Code Reader Pointing X ray Generator Device Power Switches Network Connection Keyboard DirectRay Console Computer Serial Extension Bar Modem Prep Expose Switch DirectRay Controller Speakers WAMI UPS
75. ertified components The recommended maintenance schedule for the Radiographic Table Omniflex IV Overhead Tube Crane DirectRay Detector and X ray tube is e First servicing 90 days after installation Subsequent servicing every six months 5 4 Maintaining System Components EPEX Omniflex IV System User s Guide Replacing the UPS Battery A WARNING The battery inside the uninterruptible power supply UPS must be replaced periodically The information provided in the UPS manual about battery replacement is for reference only Contact your Del service representative for UPS service and battery replacement The UPS battery must be replaced by an authorized Del representative The UPS battery contains lead and poses a hazard to the environment and human health if not disposed of properly Reporting Unusual Conditions Report any unusual equipment condition that occurs between periodic servicing to your Del service representative Report any unusual noise difficulty of motion squeaks malfunctions or other problems with the equipment at your earliest convenience If a failure occurs it could speed repair if you can supply specific information to the service representative Make a note of any unusual events prior to the failure Also note the type of procedure in progress as well as specific failure information Maintaining System Components 5 5 EPEX Omniflex IV System User s Guide Calibrating the DirectRay Detect
76. estination host 172 16 2 102 Please check network connections and destination host Subject Status DicomPrintSpooler DicomPrintSpooler print job problem New warning Erase OK MCO0 184 tif Troubleshooting 6 5 EPEX Omniflex IV System User s Guide To view information about an alarm choose the alarm entry in the list the source time and other information about the alarm displays To scroll through the list of alarms use the navigation buttons next to the list Note Some alarms cannot be To erase an alarm choose it then click the Erase button erased by a user but are 2 T cleared A the device To close the Alarms window click the OK button reporting the error once the error condition has been corrected Troubleshooting Image Problems The following topics explain how to maximize the image quality and diagnose and correct image problems Guidelines for Ensuring Good Images Following are some guidelines for ensuring that the images you capture are of the highest quality possible Ensure the correct Patient Size setting is used especially when the patient is very large This will allow the system to use correct exposure parameters and avoid using back up timing Unlike a standard X ray system the DirectRay system applies a mathematical algorithm to present the image on the monitor If the presentation does not appear to be yielding the desired results the
77. exam specific algorithm ESA may need to be adjusted e If the densities on the film are not as they appear on the monitor an adjustment or reconfiguration may be required by a Del representative 6 6 Troubleshooting EPEX Omniflex IV System User s Guide Diagnosing and Correcting Image Problems Refer to Table 6 2 for information about how to correct image problems Table 6 2 Image Problems If this happens Do this Image on film has a line drop out Contact Del service A line drop out looks like a clear scratch usually going through the middle of the image The image is very dark or very light Check to see if the appropriate ESA was selected in the Preview Image window If not choose an appropriate ESA from the drop down list You might also try manually adjusting the minimum and maximum densities refer to Chapter 3 in the DirectRay Console User s Guide for more information However if the dose is simply too low there will not be enough digital information to create an acceptable image X ray the patient again using a more appropriate mAs setting There is noise in the image In general image noise will appear different than screen film because the image data is digital While noise can be affected by dose as in standard X rays it can also be affected by the exam specific processing Note any cases of excessive noise and contact Del service about the problem Image on film has speckles or snow
78. f overview of the EPEX Omniflex IV System functions Chapter 2 Basic Operations Provides basic information about using the EPEX Omniflex IV System to acquire images and send them to output devices It also includes procedures for EPEX Omniflex IV System start up shutdown and X ray tube warm up Chapter 3 Managing the Image Output Queues and Resending Images Describes the procedures for managing the image output queues resending previously acquired images that are still stored in the system and repreviewing images that have not been reclaimed Chapter 4 Protecting Patient Records Explains how to protect patients and their related images from being deleted by the system Chapter 5 Maintaining System Components Explains how to perform maintenance of the EPEX Omniflex IV System Chapter 6 Troubleshooting Explains how to perform basic troubleshooting operations It identifies and explains how to handle common system problems that do not require service intervention and provides a listing of system alarms along with the required response actions Appendix A Specifications Lists the specifications for the EPEX Omniflex IV System A glossary follows Appendix A About This Manual EPEX Omniflex IV System User s Guide Conventions Used in This Manual This manual uses three types of special messages to emphasize information or point out potential risks to personnel or equipment Note Notes provide A sample of a note is
79. fe DEL MEDICAL Direct Ray EPEX Omniflex IV System User Manual P N 8000 EPEXOMNIUM Revision A August 8 2005 August 2005 The information contained in this manual is confidential and proprietary to Del Medical Imaging Corporation This information is provided only to authorized representatives of Del s customers solely for the purpose of facilitating the use of Del s products No information contained herein may be disclosed to any unauthorized person for any purpose whatsoever without the prior written consent of Del Medical Imaging Corporation The information in this document is subject to change without notice Copyright 2005 by Del Medical Imaging Corporation All rights reserved DirectRay is a registered trademark of Direct Radiography Corp This manual was originally written in English in the United States Printed in the U S A All trademarks registered trademarks and product names used within this document are the property of their respective owners Del Medical Imaging Corporation 11550 W King Street Franklin Park IL 60131 USA Tel 847 288 7000User Support 877 371 4DRC 371 4372 Fax 781 280 4788 Federal USA Law restricts this device to sale by or on the order of a physician or properly licensed practitioner CAUTION Attention Consult Accompanying Documents As Applicable Del Medical Systems Group 11550 West King Street Phone 1 847 288 7000 Franklin Park IL Fax 1 847 288 701
80. g Patient or Visit Using the Search PUNCH OM ot n nieto ido Penh a stan a phos 2 15 Choosing a Patient Using the Modality Worklist Query 2 21 Scanning a Bar Code to Identify the Patient Visit Study 2 28 Step 2 Choosing Output Destinations eee 2 20 Step 3 Adjusting Exposure Settings and the Exposure Sequence Optional ete eese tete rete tree deut Int ape ear ee to re ee RES 2 29 Step 4 Adjusting the Orientation of the Table and Bucky 2 30 Positioning the Radiographic Table esses 2 30 Positionmme the BUCKY 5s ete eeu veneni ee i 2 31 Step 5 Positioning the X ray Tube and Collimator 2 35 Deat tes c Let eoe o toda geet adden erie tel onda pen dis todas 2 36 Using the Overhead Tube Crane Control Panel to Position the X ray TUDE n aita ssiei esti eii eie e Rr e d DRE ERE 2 36 Using the Auto Modes to Have the X ray Tube Track the BU y ose cose tret etos to eo letus a de ede HUNE 2 40 Contents EPEX Omniflex IV System User s Guide Auto Mode Option erret tente terae eae to pete eive ee edta 2 40 Auto On In Wall Mode 2 o idee eot ira node ue peres 2 41 Auto On In Table Mode soe noie e t ec etes 2 42 Positioning the Overhead Tube Crane for Chest Exposures 2 43 Positioning the Overhead Tube Crane for Under Table EXPOSUT OI 2 44 Adjusting the Collimator i ehe se ep d dero ide tee e equis 2 45 Step 6 Exposing P tients
81. hoosing an Existing Patient or Visit Using the Search Function on page 2 15 2 23 EPEX Omniflex IV System User s Guide 2 24 Basic Operations EPEX Omniflex IV System User s Guide Viewing Patient Entries in Today s Worklist Today s Worklist is useful if you prefer choosing patients or studies from a list of scheduled studies for the day To retrieve all patient studies scheduled for today choose the Worklist tab then choose the Todays Worklist tab The list of patient studies that have been ordered for today s calendar day displays as shown in the sample window below To update the list if you would like to query the Modality Worklist provider for studies that have been ordered since the last list update click the Update button An updated list of patients and studies displays The DirectRay Console may occasionally perform scheduled queries in the background To refresh the list to see possible new entries click the Refresh button Hologic Hospital File Edit Admin Help Patient Name DOB ID Gender New Edit Visit Visit as Study Procedure Study Outputs Selection Drystar z New Edit Enter or search for patient prs Sign Out Worklist Local DB Patient Query Todays Worklist New Edt Add Date today Patient ID 289 288 Conventional Mode Status Query complete 3 results Dat
82. ick End Conventional Mode when you have finished the exposures New Edit Add Outputs Selection no outputs 7 End Conventional Mode Conventional Mode New Edit 1DirectR Em 4 MDirectRay 1 oW NCO E OCA iJ DROC ready Jobs in Queue 0 MC00_158 tif 2 10 Basic Operations EPEX Omniflex IV System User s Guide Capturing Images Overview for Capturing Images Note If you wish to use a The general workflow for using the DirectRay Console to acquire and send conventional film cassette or images to the output devices involves the following steps Computed Radiography refer to the topic Capturing Images on Film in Step Chapter 3 in the DirectRay 1 Console User s Guide 2 3 Action Identifying the patient and visit Choosing output destinations Optionally adjusting the exposure technique settings and the exposure sequence Adjusting the position and orientation of the table Bucky X ray tube and the Collimator shutter to accommodate patient orientation Exposing the patient Previewing then accepting or rejecting the image You then repeat steps 3 to 6 for each image in the procedure Step Action 7 8 9 10 11 Optionally opening an additional procedure for this patient s visit Optionally adding a view to the procedure in progress Optionally select the Inverse Topography feature Closing the study When you are done taking exposures
83. ify the patient and visit refer to the topics Adding a New Patient Manually on page 2 13 and Choosing an Existing Patient or Visit Using the Search Function on page 2 15 If your system supports Modality Worklist queries you can retrieve patient information from a Radiology Information System Refer to the topic Choosing a Patient Using the Modality Worklist Query on page 2 21 If your system supports bar code scanning you can use the bar code scanner to read in the patient ID visit number or some other unique identifying number If the ID is found in the Modality Worklist if this feature is available or in the local DirectRay Console patient database that corresponding patient visit and study is opened If the ID is not found you must enter that patient manually 2 12 Basic Operations EPEX Omniflex IV System User s Guide Adding a New Patient Manually Note Ensure you enter patient names and IDs correctly Incorrect entries can cause duplicate patient records for the same patient or make it more difficult to find the patient in future search operations Note When the CPU s storage space begins to run low patient records and their corresponding images are deleted to make room for new images oldest images and patient records first For more information about patient and image reclamation and how you can protect a patient record and associated images from being deleted refer to Chapter 4 Basic Oper
84. ing the wildcard character make sure you include at least one other character that is don t enter only an asterisk to avoid creating a large listing of patients up to the configured limit the default is 50 which might take several minutes to complete Note When searching for names they are stored in the system as LAST FIRST MIDDLE Therefore searching for the first name John requires preceding it with an asterisk that is John Also search entries are case insensitive you can enter upper or lower case letters The list of patients matching the search criteria that you entered displays for example refer to the following sample window 4 3 EPEX Omniflex IV System User s Guide Patient Name Patient D Enter Patient Name for wildcard Protect Patients Search Search Results 2 entries Name PUBLIC JOHN A PUBLIC JOHN Q Note The button label toggles between Protect and Unprotect 4 4 19580901 Close Protect GS00 118 tf Step Action 3 Choose an unprotected patient record from the list protected status is no by clicking on the patient name then click the Protect button The patient record s protect status changes to yes protected 4 To close the window click the OK button To unprotect a patient record follow the same procedure as above except choose the protected patient record entry Then click the UNProtect button The patient r
85. l power If normal power is not restored within five minutes the DirectRay Console commences an orderly shutdown You cannot interrupt this shutdown Determine the cause of the power loss and resolve the problem before attempting to start up the system again For details about restarting the system refer to the topic Starting Up and Logging On to the System in Chapter 2 Troubleshooting EPEX Omniflex IV System User s Guide X ray Generator Error Codes CPI Note The need to repeatedly reset the system can indicate a serious problem If this occurs contact your Del service representative Note An indicates that an error is not recoverable Troubleshooting Table 6 4 lists the X ray Generator CPI model error codes that can be displayed at the DirectRay Console main window When the X ray Generator detects a fault the Reset button in the control panel on the DirectRay Console main window is enabled and further exposures are prevented Click the Reset button to clear the displayed error message and return the system to normal operation Table 6 4 CPI Error Code Descriptions Generator Error Code Description E001 Generator CPU EPROM checksum error E002 Generator CPU EEPROM data checksum error E003 Generator CPU NVRAM error E004 Generator CPU Real Time Clock error E005 Main Contactor error E006 Rotor Fault E007 Filament Fault E008 Beam Fault E009 Power Supply Not Re
86. m instead of annotation boxes for any image specific text you want printed under each image 2 50 If the image is being printed on a multiformat sheet that is more than one image on the sheet you must choose which position on the sheet to place the image The Image Preview window includes a Format area that displays rectangles representing the chosen image placement format A 4 up format is shown in the sample Format area below Sheet Format E a 4up f scr315 TIF The default placement area on the sheet for the current image is indicated as a white rectangle If other images have already been captured for the current sheet their thumbnails are displayed in their chosen areas To change the format choose another format from the drop down list Depending on the DICOM printer s capabilities the available formats are e up Only one image on the sheet The default setting for output devices that do not support multiformatting e 2up I by 1 Two images are placed side by side e 2up 1 over 1 Two images placed one over the other 4up 2x2 Four images placed two over two Basic Operations EPEX Omniflex IV System User s Guide Note that if you change formats and your system has been set up with auto cropping and the selected output device has the True Size option on the image is automatically cropped so that it fits in its cell on the sheet For more information refer to Selecting the Sheet Format in Cha
87. mation System Radiology Information System or other remote patient database for example using a Modality Worklist provider the DirectRay Console user application queries that database and the local DirectRay Console patient database for the ID If your site does not support such a remote database connection the DirectRay Console user application searches its local patient database for the ID If the scanned ID is not found you must manually add the patient visit study Refer to the topic Adding a New Patient Manually on page 2 13 If the scanned ID is found the DirectRay Console application opens that patient and visit in the application s main window as shown on the following page You are ready to choose to which output devices you want to send the images Unless you want to change the procedure that is the series of images to be captured from the default one displayed in the Study panel go to the topic Step 2 Choosing Output Destinations on page 2 29 If you want to change the procedure refer to the topic Opening a New Study in Chapter 3 in the DirectRay Console User s Guide Basic Operations EPEX Omniflex IV System User s Guide Step 2 Choosing Output Destinations Before you acquire patient images you need to choose the output setup you want to use Outputs Selection Drystar New Edit MC00_166 tif To choose an output setup choose it from the Selection pop up menu i
88. n the Outputs panel The pop up menu lists all of the output setups that have been created for your site Step 3 Adjusting Exposure Settings and the Exposure Sequence Optional Basic Operations At the time the system is installed default exposure settings and imaging sequences are configured for each view in each available procedure You can use manual techniques or phototiming techniques to adjust the default exposure settings Typically you simply use the default settings You would only change them for special circumstances such as a very small person or a missing lung If you want to adjust the exposure settings refer to the topic Adjusting Technique Settings in Chapter 3 in the DirectRay Console User s Guide If you want to adjust the exposure sequence refer to the topic Working with Procedures in Chapter 3 in the DirectRay Console User s Guide When you have finished adjusting exposure and sequence settings you are ready to position the patient and acquire images 2 29 EPEX Omniflex IV System User s Guide Step 4 Adjusting the Orientation of the Table and Bucky You can now position the radiographic table and Bucky to accommodate the orientation of the patient for the exposure Refer to the following topics Positioning the Radiographic Table Use the multi axis foot switch controls shown in Figure 2 4 to position the table in the following ways Move the table horizontally e Raise or lo
89. not an intermediate orientation 6 Rotate the X ray tube Collimator to the 90 position facing the Bucky Note The Omniflex automatically enters Wall mode whenever the angulation of the X ray tube is 90 15 clockwise horizontal X rays aimed left or counterclockwise horizontal X rays aimed right above the table top otherwise the automatic positioning may drive the tube into the AN Prior to selecting Auto when in Wall mode the Bucky must be positioned to a height table top or patient until motor torque is exceeded set at 40 Ib or 18 14 kg CAUTION Step Action To use the Auto Mode Note The Omniflex must be equipped with the Auto Tracking option 7 To turn on Auto mode press the Auto Mode soft key 8 To turn on Lateral Center press the Lateral Center soft key If the message BUCKY LAT CNTR flashes on the Omniflex front panel display move the tube crane to Wall mode lateral center If the message HORIZ SID flashes on the Omniflex front panel display position the X ray tube at one of the predetermined horizontal SIDs 40 in or 72 in and verify that the SID is displayed on the Omniflex front panel display Note In Auto mode the X ray tube must reach vertical alignment with the center of the Bucky before exposure is enabled Basic Operations 2 43 EPEX Omniflex IV System User s Guide 2 44 Basic Operations EPEX Omniflex IV System User s Guide Step Action To use th
90. of the computer D Sign in as a different user DKO0_043 tif 2 Choose the Power off the computer option 3 To continue with the power down click the Yes button The system displays messages as it performs the operating system shutdown procedures When the shutdown sequence completes the CPU powers off and the monitor goes blank the monitor enters an energy saving sleep mode Wait until the monitor goes blank before proceeding to Step 2 Powering Down the X ray Generator on page 2 59 To cancel from the DirectRay Console application s power down process and redisplay the DirectRay Console application s Login window click the No button Always power down the CPU as described above Improper power down can cause loss of data CAUTION Basic Operations 2 59 EPEX Omniflex IV System User s Guide Step 2 Powering Down the X ray Generator Powering down the X ray Generator also typically powers down the other X ray system components such as the X ray tube overhead tube crane Collimator Bucky and table To power down the X ray Generator press the X ray Generator OFF button located at the front left of the DirectRay Console cabinet Refer to Figure 2 13 Figure 2 13 X ray Generator Power Switch X ray Generator ON X ray Generator OFF LEFT SIDE C781 274 U 2 60 Basic Operations EPEX Omniflex IV System User s Guide Step 3 Powering Down the DirectRay Console s UPS To
91. or You must calibrate the DirectRay Detector once a week Note Calibration must be To calibrate the DirectRay Detector performed at least one hour after system startup or power up from the sleep mode Step Action 1 2 5 6 Ensure everyone is out of the X ray room In the DirectRay Console application s main window close any open study and ensure that no patient is selected From the Admin menu choose Calibrate The Calibration Test panel displays This panel includes instructions for how to set the technique settings and take exposures for the calibration The sample on the next page shows an example of the instructions Note The instructions for your site may be different from what is shown in the sample window Note The Create New Pixel Map button function is available only to mgr level users For more information refer to the DirectRay Console Administrator Guide Maintaining System Components EPEX Omniflex IV System User s Guide Hologic Hospital i File Edit Admin Help No Alarms CALIBRATION MODE Not for Patient Exposure person3 Sign Out Tod us sg Time sce go A e00 a oos e ages t x u 4 Eg Gender Orientation AEC AEC r Focal Spot Patient CALIBRATE PA SIZE2 Ea AEC r Control New Edit Close
92. or more information refer to Adding Comments to an Image in Chapter 3 in the DirectRay Console User s Guide 2 52 Basic Operations Accepting the Image Note Once the image is accepted it cannot be moved to another image placement area EPEX Omniflex IV System User s Guide To accept the image click the Accept button or press the Spacebar on the keyboard The Image Preview window closes and a thumbnail minimized view of the image replaces the view figure in the Image Panel of the DirectRay Console application s main screen as shown below The exposure settings used to acquire the image are displayed next to its thumbnail Once accepted that image is stored in the DirectRay Console and sent to the chosen output devices You are now ready to acquire the next image in the procedure Add View Study CHEST PA LAT W OBLIQUES ies uy View LAT 120 PA kVp TY IE msec Acquired Image Basic Operations GS00 127 f Next view to be To change the exposure order acquired by default click on the view you want to acquire next MC20 310 cdr By default the next view to be exposed is chosen in the image panel If needed you can choose a different view and adjust the exposure settings before acquiring the next image For more information about these procedures refer to Chapter 3 in the DirectRay Console User s Guide 2 53 EPEX Omniflex IV System User s Guide Rejecting the Image You
93. or phosphor based detector Algorithm used to optimize raw image data for a particular type of exam The distance from the source of the X rays to the patient Device that supplies power to and controls the X ray tube In a hospital the computer system that tracks patient demographic information visit information and other patient records Non desirable qualities on a printed image Peak kilo volts The highest energy of X rays emitted by an X ray tube equal to the peak applied tube voltage Possible view position for X ray exposure A table of values used to convert raw image data to output data for a specific ESA setting Milliamperes Milliampere seconds Combined with kVp it indicates the dose of X rays Possible view position for X ray exposure The basic software control system of the CPU Posterior Anterior view position for X ray exposure This function automatically adjusts the X ray field to the size of the receptor A predefined collection of images views for X ray exposure Radiology Information System Glossary Source to Image Distance SID Study Technique Factor View Visit Glossary EPEX Omniflex IV System User s Guide The distance from the source of the X rays to the detector A specific instance of a procedure consisting of a set of X ray images Any of the parameters describing the properties of an X ray beam including beam energy KVp beam intensity mA exposure m
94. ormation refer to Selecting ESA vs IT Image Processing in Chapter 3 in the DirectRay Console User s Guide Basic Operations 2 51 EPEX Omniflex IV System User s Guide Changing the Appearance of the Image Optional You can change the appearance of the image by e Adjusting the image s LUT settings manually by using the curve controls in the image processing panel These adjustments effectively change the minimum density maximum density contrast and brightness used for the image thus changing the image appearance e Adjusting the image s LUT settings by placing the cursor on the LUT curve s handles pressing and holding the right mouse button and dragging the handle e Modifying an image s LUT by clicking and holding the right mouse button and moving the pointer over the image Clicking on the pop up menu in the image processing panel to change the anatomy related LUT being used When the image is accepted the image is saved as currently displayed It is this version of the image that is sent to the output destinations Note that typically LUT adjustments are not needed For more information about making these appearance adjustments refer to Adjusting the LUT in Chapter 3 in the DirectRay Console User s Guide Adding Comments to an Image Optional You can add text comments to an image at the time of acquisition the comment is sent to any DICOM devices chosen as an output destination for the image F
95. osure Control AEC Bucky Collimator CPU Detent Diagnostic X ray System Digital Imaging and Communications in Medicine DICOM DirectRay Glossary In DICOM a term to uniquely identify a visit to a site by a patient The meaning and use of accession numbers is not consistent in medical information The DirectRay System uses the DICOM definition of the term Automatic Exposure Control Device used to prevent the radiation scattered within the patient from reaching the DirectRay Detector and fogging it Anterior Posterior view position for X ray exposure Changes to an image due to outside influences such as defective pixels or DirectRay Detector scan lines The process of disinfecting articles by heating them with pressurized steam Ion chamber within the Bucky Used to terminate X ray when image density is achieved by measuring the amount of dosage occurring at the DirectRay Detector and providing feedback to the X ray Generator to stop the exposure The component that houses the DirectRay Detector AEC moving grid and related components In the DirectRay System the bucky contains the DirectRay Detector instead of the conventional film cassette The Collimator regulates the size and shape of the X ray beam to accurately localize the area of interest on the patient while reducing overall patient irradiation exposure Central Processing Unit of the DirectRay Console A device for positioning and holding
96. pter 3 in the DirectRay Console User s Guide Using True Size Helper Optional When a sheet format is selected and the True Size option has been set for a destination printer the True Size function calculates whether the image will fit on the specified format and displays crop marks to indicate what area of the image will be sent to the output device For more information refer to Using the True Size Helper in Chapter 3 in the DirectRay Console User s Guide Masking an Image Optional You can draw an irregular mask around the image The area outside of the defined mask is converted to black An auto crop feature can also be used with the mask automatically cropping the image to the perimeter of the mask Masking and cropping apply only to the image when it is sent to a DICOM print or storage device For more information refer to Using a Mask to Outline the Image in Chapter 3 in the DirectRay Console User s Guide Adding Markers to the Image Optional You can add markers to an image that allow you to give further information about the image for example supine upright and so on the markers are sent to any DICOM devices chosen as an output destination for the image For more information refer to Adding Markers to an Image in Chapter 3 in the DirectRay Console User s Guide Selecting ESA or IT Optional The DirectRay Console supports both Exam Specific Algorithm ESA and Inverse Topography IT For more inf
97. put panel Edit fADirectRay otocg Proc rea Jobs in Queue d Thumbnail of Detector Array Thumbnail of next view to exposure status acquired image be acquired panel MC20 306 cdr 2 14 Basic Operations EPEX Omniflex IV System User s Guide Choosing an Existing Patient or Visit Using the Search Function Note You can use the asterisk character as a wildcard character to broaden your search For example entering R ph would return patients named Randolph and Rudolph If using the wildcard character make sure you include at least one other character that is don t enter only an asterisk to avoid listing all patients or visits which might take several minutes to complete Basic Operations You can choose an existing patient by first clicking the Local DB tab to search the local database then using the Search function to list patients whose name ID or visit number match search criteria that you enter To search for an existing patient or visit in the local database To search by patient name click the Patient Name tab enter the name in the search field then click the Search button or press the Enter key Note the following guidelines when entering names Names are stored in the database as LAST FIRST MIDDLE When specifying two or more parts to a name you must include the caret character between the name parts for example DOE J Because names are stored in the format
98. raphic Table X ray Generator The EPEX Omniflex IV system includes Rotating anode X ray tube e Collimator with shutter control The Radiographic Table is an X ray table articulating arm and Bucky support subsystem integrated into the Del EPEX Omniflex IV General Radiography System The Bucky support is an articulated structure that is attached to the baseplate assembly for longitudinal travel You can position the Bucky around the table and patient thus accommodating a variety of radiographic projections The support tower is fully counter balanced with the Bucky installed permitting the Bucky to be positioned with a minimum of effort The Radiographic Table features include e 4 way floating table top for positioning ease e Capacity of up to 203 kg 450 Ib 102 to 188 cm 40 to 72 in source to image distance SID e Removeable grid for low dose extremity and pediatric views e Head to toe Bucky range of motion Full upright and chest capability The X ray Generator has the following features e Operator control through the DirectRay Console user interface e Anatomical pre programmed exposure factors Introduction EPEX Omniflex IV System User s Guide Omniflex IV Overhead Tube Crane The Omniflex IV overhead tube crane is a ceiling mounted overhead X ray tube crane and Collimator suspension system It provides flexibility in X ray room design since it occupies no floor space and the rail design allows the tube to op
99. ray exposure area To ensure that the tube is aimed properly project a light through the shutter to illuminate a target area on the patient e To control the area size of the exposure on the patient adjust the height and width of the shutter opening For more information on Collimator adjustments refer to the Linear IV Collimator Installation Operation and Maintenance Manual Step 6 Exposing Patients A WARNING Figure 2 12 DirectRay Console Prep Exposure Switch 2 46 This X ray unit may be dangerous to the patient and operator unless safe exposure factors and operating instructions are observed Patient exposure is controlled by a 2 position button switch on the side of the DirectRay Console as shown in Figure 2 12 Ru ee v I Prep Exposure Switch RIGHT SIDE DK20_030 cdr When the prep button is pressed half way you have 30 seconds to complete the exposure When the prep button is pressed all the way the exposure is taken within one half second Basic Operations Note Releasing the Prep Expose button before the exposure is completed causes premature and immediate termination of the exposure This may cause the X ray Generator Reset button on the DirectRay Console application s main window to light To perform subsequent exposures click the Reset button Note If the X ray tube heat units exceed the maximum allowable limit the X ray tube and Generator are dis
100. rientation Row Cancel Save Patient Orientation Column J rage Done GS00_349 tif F ue Managing the Image Output Queues and Resending Images 3 13 EPEX Omniflex IV System User s Guide Step Action 7 Make any changes that you want to the image The changes that you make are applied to the original raw image data just as they were when the image was first acquired The functions in this window are the same as in the Image Preview window For more information on them refer to the topic Working with Acquired Images in Chapter 3 8 To save your changes click the Save button The image is saved as a new image and the Spool Management window displays 9 Click the Resend tab 10 Choose the Resend options you want to use For a description of the options refer to the table that follows this procedure 11 Click the Resend button 12 To close the resend function click the Close button Option Description Resend all Use this option when you wish to send all images images for from a patient study patient Resend selected Use this option when you wish to send a single or images for several images from a patient study patient Setups Formats Select all the required images by clicking on them The border s turns blue To deselect click the image again Use this option to specify the devices to which you want to send the images Use this option if you are printing multiple
101. s you use to rotate the Bucky between portrait and landscape orientations Figure 2 5 Portrait Landscape Release Button To rotate the Bucky between press one of these portrait and landscape release buttons on the orientations sides of the Bucky TM20_061 cdr Basic Operations 2 31 EPEX Omniflex IV System User s Guide Pivoting the Bucky Between Upright and Horizontal Figure 2 6 shows the controls you use to pivot the Bucky between upright and horizontal orientations Figure 2 6 Upright Horizontal Release Button 138 90 135 90 3 To rotate the Bucky between horizontal and upright positions TM30_003 CDR press the yellow release button TM20_062 cdr Raising or Lowering the Bucky Figure 2 7 shows the controls you use to raise and lower the Bucky i un TM30_008 CDR Or press this release Figure 2 7 To move the Bucky vertically Vertical Release Button press this release TM20 064 cdr 2 32 Basic Operations EPEX Omniflex IV System User s Guide Moving the Bucky Longitudinally Figure 2 8 shows the controls you use to move the Bucky longitudinally along the table Figure 2 8 Longitudinal Release Buttons To move the Bucky longitudinally along the table TM30_006 CDR TM30_007 CDR OR press this release on the press this release Bucky handle on the tower handle TM20_063
102. shown in the margin to the left additional information such as expanded explanations hints or reminders Samples of cautions and warnings are shown below Cautions point out procedures that you must follow precisely to avoid damage to equipment loss of data or corruption of files in software applications CAUTION Warnings point out procedures that you must follow precisely to avoid injury to yourself or others WARNING About This Manual xi Chapter 1 Introduction This chapter provides an overview of the EPEX Omniflex IV System It includes a general description of the system s functions and descriptions of each component as well as a description of possible output devices optional image acquisition workflows and Safety and Compliance Contents Subject CCC BS What Is the EPEX Omniflex IV System eene 1 2 What Is Direct Ray 5 aiioe ieas K a iu ene eee ek 1 3 Indications for Sese oct ost esito a uada nea diruit in 1 3 System Functions debe ter Sea uote ed 1 4 System Components 4 5 e hereto et es iit n Ea ia Eiai 1 5 mage ves igo m 1 9 Safety and Compliance Information eene 1 10 EPEX Omniflex IV System User s Guide What Is the EPEX Omniflex IV System The EPEX Omniflex IV System is a complete filmless computer controlled radiographic system consisting of Overhead tube crane X ray Generator Articulating arm and Bucky support Radiographic table X ray
103. ssed setup After the status tests are complete the application Login window displays at the upper left corner of the screen Go to the next topic to log in to the DirectRay Console application 1 RMS Server 2 prestart 001 3 msgserver_001 4 rados_001 5 mwiquery_001 6 pdevdr_001 7 xd_001 8 pdevprint 001 9 pdevremstore 001 10 itconvert 001 11 storagecommit_001 12 jss_001 19 droc_001 14 reclaim_001 MCOO 150 tif Basic Operations EPEX Omniflex IV System User s Guide Step 6 Signing In to the DirectRay Console Application Note See your System Administrator if you do To sign in to the DirectRay Console application choose your name from not the Identify Yourself pop up menu enter your password and click the know your login or password OK button Login to Digital Radiography login to the DROC Identify Yourself prs Enter Password GS00_103 tif The DirectRay Console application window displays If the X ray tube has been inactive for a period of time you must warm it up as explained in the topic Warming Up the X ray Tube on page 2 9 Otherwise you can open a patient record and start capturing images Basic Operations Hologic Hospital 2 2 File Edit Admin Help Enter or search for patient prs Sign Out Worklist Local DB BI Patient Query Tod
104. status are displayed in this window 17 Angulation The right side of this display shows the current tube angle in angular Display degrees with 0 indicating the vertical direction and 90 the horizontal direction Basic Operations 2 39 EPEX Omniflex IV System User s Guide Using the Auto Modes to Have the X ray Tube Track the Bucky A CAUTION Auto Mode Option 2 40 When Auto mode is installed the tube crane is equipped with a motorized vertical drive There are two different AUTO modes available and the tube crane can be configured as follows Auto wall Auto table both or neither The Auto option allows automatic tracking of the tube to the Bucky Wall Auto or with the table top Table Auto Selection of the desired Auto option is accomplished by pressing the Mode soft key callout 10 in Figure 2 11 on page 2 37 so that the Auto indicator is illuminated The tube must be angulated correctly for the desired Auto option to be active Angulation of the tube to 90 15 towards the Bucky with the Bucky in the upright vertical position automatically places the tube crane in Auto wall mode If the tube is outside the 0 15 window the tube crane is in Auto table mode Prior to selecting Wall Auto mode the Bucky must be positioned to a height above the table top otherwise the automatic positioning may drive the tube into the table top or the patient until the safety clutch stops vertical motion set at 40 Ib or 18 14 kg
105. t is detected When the X ray Generator detects a fault the Reset button in the Control panel shown above is enabled and further exposures are prevented Click the Reset button to clear the displayed error message and return the system to normal operation Troubleshooting EPEX Omniflex IV System User s Guide Console Alarm Messages The Alarms button at the upper left corner of the DirectRay Console user application s main window notifies you of DirectRay Console and DirectRay Detector alarms as well as alarms from networked components such as printers or view workstations When one or more alarm conditions exist the label of the Alarms button lights yellow and the number of pending alarms displays in it Once you have opened and closed the Alarms window the label turns back to black To view alarms click the Alarms button on the main screen j File Edit Admin Help Alarms 8 E GS00 133 tif A list of current alarms displays The Status column indicates whether an alarm has been viewed before a status of New indicates that it has not Total Alarms 2 Selected Alarm From DicomPrintSpooler Type warning Subject print job problem Time Sent t6 May 01 1 12 39 PM EDT Print request for ID 12345678 Name Public John Q Study SKULL 4 VIEWS ROUTINE Image CALDWELL to device Drystar3000 172 16 2 102 104 has failed and will be retried Reason Unable to ping d
106. t you power down the DirectRay Console if you are not going to use it for an extended period for example overnight Weekly Maintenance 5 2 The DirectRay Detector should be calibrated once a week For detailed instructions refer to the topic Calibrating the DirectRay Detector on page 5 6 Maintaining System Components EPEX Omniflex IV System User s Guide Monthly Maintenance A CAUTION Perform the following general preventive maintenance procedures on a monthly basis The equipment must be maintained in good operating order at all times to provide safe conditions for operating personnel and patients Do not attempt mechanical or electrical repair of the equipment Contact your Del service representative if any unit does not perform to your satisfaction Cleaning the Equipment Note Follow your hospital s cleaning and decontamination policies and procedures CAUTION gt CAUTION gt CAUTION The exterior of the equipment can be cleaned with common hospital decontamination solutions that are acceptable for use with plastics or enameled metal To apply the cleaning solution power down the system and disconnect the power source Then moisten a cloth with the solution and wipe down the equipment Do not use isopropyl alcohol on the Bucky as it may damage remove the silk screening Do not spray cleaning solution directly onto any part of the equipment Instead moisten a cloth with the solution
107. tallation is in compliance with regulations in your state governing installation and use of X ray equipment 1 14 Introduction EPEX Omniflex IV System User s Guide IEC Regulations EPEX Omniflex IV systems comply with the requirements of IEC 60601 1 and with the following IEC standards IEC 60601 2 7 IEC 60601 1 3 IEC 60601 1 1 IEC 60601 1 2 IEC 60601 2 28 IEC 60601 2 32 IEC 60825 1 Software used in the EPEX Omniflex IV system was developed using IEC 60601 1 4 as a guide Canadian Regulations EPEX Omniflex IV systems comply with CSA 22 2 No 601 1 Manufacturer s Responsibility This equipment is sold with the understanding that Del its agents and representatives do not accept any responsibility for overexposure of patients or personnel to X radiation Furthermore Del does not accept any responsibility for overexposure of patients or personnel to X radiation generated by this equipment as a result of poor operating techniques or procedures Also no responsibility is assumed for any unit that has not been serviced and maintained in accordance with the technical service manual or which has been modified or tampered with in any way Introduction 1 15 EPEX Omniflex IV System User s Guide Positive Beam Limitation The EPEX Omniflex IV system is provided with a positive beam limitation PBL system that automatically adjusts the X ray field to the size of the receptor The PBL system is operational in the following t
108. ter time to complete it To close a completed study from the DirectRay Console application s main screen click the Close Study button The main window clears allowing you to add or choose the next patient To close an incomplete study from the DirectRay Console application s main screen click the Close Study button You are prompted whether you want to close the study without finishing as shown below j Do you want to close this unfinished study Yes No DKO0_028 tit Click the Yes button to continue The main window clears allowing you to choose the next patient or visit with which you want to work To close a visit click the Close button in the Visit panel To close a patient click the Close button in the Patient panel 2 55 Step 11 Signing Out from an Acquisition Session Note You can sign out from an acquisition session with a procedure open The procedure opens for the next user who signs on to a session CAUTION 2 56 EPEX Omniflex IV System User s Guide To sign out from the current DirectRay Console acquisition session from the main window click the Sign Out button The Login window displays For system security the workstation display is locked at the Login window In this state a user can only log in to another session and at the same user level tech or mgr of the previous user If you click the Exit button you must restart the DirectRay Console This takes
109. the Devices panel The queued images are listed in the Queued Jobs panel For queued images the job status of Sending Waiting or Problem displays ___ Manage Queues l Devices Name of Device Description DicomStoreSpooler single priority single server Dicom store job spooler DicomPrintSpooler single priority single server Dicom print job spooler DicomCommitSpooler single priority single server Dicom commit job spooler Queued Jobs Patient Name Patient ID Study Image Job Status Retry Count Device Public John Q 12345678 SKULL 4 VIEWS ROUTINE LEFT LATERAL SLEEPING ERROR 8 Drystar3000 Public John Q 12345678 SKULL 4 VIEWS ROUTINE CALDWELL RUNNING 8 Drystar3000 Delete From Queue Resend St pedjob Close MCO0 185 tif To display the jobs in a queue choose the output device in the Devices list by clicking on it Note If an output queue job To remove an image from the queue choose the image by clicking on it is running it cannot be in the Queued Jobs list then click the Delete from Queue button deleted To refresh the queue listing click the Refresh button To exit click the Close button 3 4 Managing the Image Output Queues and Resending Images EPEX Omniflex IV System User s Guide To resend the images from a stopped job choose the image by clicking on it in the Queued Jobs list then click the Resend Stopped Job button EBENEN minu Maeda LL e eee
110. tion Tracking automatically resumes as soon as all of the above conditions are no longer in effect The system automatically turns off the Auto mode upon the occurrence of any of the following events e The Lateral Center function is turned off e The Left or Right soft key is pressed releasing the longitudinal lock e Any manual vertical motion control is activated whether activating the drive motor or not Any manual multi axis motion control is activated If Auto mode turns off automatically the operator must press the Auto Mode soft key to turn it back on The following messages display on the Omniflex front panel when operational requirements are not met IN MOTION Indicates that the tube is in motion and has not stopped at the 40 in vertical SID position BUCKY LAT CNTR Indicates that the Omniflex is not at Table mode lateral center or that the Bucky is not horizontal READY Indicates that all positioning requirements are met 2 42 Basic Operations EPEX Omniflex IV System User s Guide Positioning the Overhead Tube Crane for Chest Exposures To position the overhead tube crane for chest or other upright exposures Step Action 1 Move the Bucky tower all the way to the left 2 Position the Bucky Stand arm at 135 3 Rotate the Bucky to the vertical position Bucky s 90 switch ON 4 Raise the Bucky to the proper height 5 Ensure that the Bucky is in Portrait or Landscape orientation
111. tion control is activated whether activating the drive motor or not Any manual multi axis motion control is activated If Auto mode turns off automatically the operator must press the Auto Mode soft key to turn it back on The following messages display on the Omniflex front panel when operational requirements are not met IN MOTION Indicates that the tube is in motion aligning itself with the Bucky e HORIZ SID A prompt instructing the operator to position the tube at the selected horizontal SID BUCKY LAT CNTR Indicates that the Omniflex is not at Wall mode lateral center or that the Bucky is not vertical READY Indicates that all positioning requirements are met Basic Operations 2 41 EPEX Omniflex IV System User s Guide Auto On In Table Mode With Auto on in Table mode the Omniflex drives the telescopic tube arm vertically to maintain a 40 in SID with the Bucky in the 0 position horizontal It is important to remember that the operator positions the table to the desired height and the X ray tube follows not the other way around In Auto mode the system suspends automatic tracking for the duration of the occurrence of any of the following conditions The X ray tube is not in Table mode lateral center The Bucky has been raised or lowered to a point such that maintenance of the specified SID would take the tube crane beyond its limit of travel The Bucky is not in the 0 horizontal posi
112. to release all locks vertical angulation longitudinal and lateral so that you can manually move the tube crane in all available directions and orientations However pressing both soft keys simultaneously while Auto mode is on will turn Auto mode off 8 Not Used 9 Auto Mode This soft key toggles between auto and manual mode as described soft key below The current setting is shown just above the soft key in the status display called out by number 16 in Figure 2 11 on page 2 37 Table Mode Use this setting when in Table mode and you want to manually Auto Off position the X ray tube vertically to establish the SID Table Mode Use this setting when in Table mode and you want the X ray tube to Auto On automatically track the Bucky s vertical motion maintaining the predetermined SID a vertical SID of either 40 in or 44 in can be set during calibration Wall Mode Use this setting when in Wall mode and you want to manually Auto Off position the X ray tube vertically to align it with the Bucky Wall Mode Use this setting when in Wall mode and you want to have the X ray Auto On tube automatically align itself vertically with the Bucky 10 11 Not Used 12 13 14 Used only during the EPEX Omniflex Software Calibration 15 procedure 16 Status Display The status display relays pertinent information to the user Such information as current SID in units of inches or centimeters in cm Auto Mode status positioning information and system ready
113. tube and Collimator Bucky and DirectRay Detector DirectRay Console DirectRay is technology that optimizes the X ray information for the highest quality images without film For a complete description refer to the topic What Is DirectRay on page 1 3 The EPEX Omniflex IV System has been designed for a full range of exams using a single DirectRay Detector Figure 1 1 EPEX Omniflex IV Overhead Tube Crane Components TRANSVERSE BRIDGE CONTROL CONSOLE TRANSVERSE CARRIAGE TIN TELESCOPING TUBE ARM TUBE MOUNT LONGITUDINAL CEILING RAILS CR 050845 1 1 Introduction EPEX Omniflex IV System User s Guide Figure 1 2 Tower encloses Bucky EPEX Omniflex IV Qu nee ie Radiographic Table a NUNT Devi Operator Control aed Switches Bucky Electro pivot point w mechanical components I O interface Horizontal track S OSs Tabie Movement Controls Tower pivot point Bucky PB20_116 CDR Link Joint i What Is DirectRay DirectRay directly captures and converts X ray energy into digital electrical signals The captured signals 14 bit image data are immediately transmitted into a DirectRay Controller The 14 bit linear data is converted into 12 bit log data e An Exam Specific Algorithm ESA associated with the user selected radiographic procedure and position is used to create a look up table LUT for
114. u chose has multiple studies associated with it the studies are listed after clicking the visit entry Click on the study you want to open The study list includes the status of each study as shown on the following page EPEX Omniflex IV System User s Guide 2 18 Basic Operations EPEX Omniflex IV System User s Guide After making the final selection in the patient visit study hierarchy that selection is opened in the main window as shown below Hologic Hospital E File Edit Admin Help Public John Q yv prs Sign Out Patient Choose a Study Name Public John Q DOB 09 17 1975 ID 12345678 Search Results 2 entries Select Gender M Study ID Performed Procedure Step ID Procedure Description Status E New Edit Close EXXEEEEEI 44 SKULL 4 VIEWS ROUTINE Scheduled o 55555556 FACIAL BONES Scheduled Visit Visit 1234 New Edit Close Md loss Study Procedure Study New Edit Outputs Selection no outputs Iv Edit Conventional Mode 1 Jobs in Queue 0 MCO0_410 tf If multiple procedures are listed under one patient click on the appropriate procedure s and click the Select button To cancel and return to the search screen click the Close button in the patient option box Unless you want to change the procedure from the default one s displayed in the Study panel go to the topic Step 2 Choosing Output Destin
115. us panel l So New dit ha m M Study PETERS Ga ST PA LAT W OBLIQUES Close Study Image panel frocedure CHEST PA LAT A Study panel Suy 7067067 New ee LAT LAO RAO gus m m J Ag L400 a d Jobs in queue Output panel lA DirectRay DROC read ere Queue 0 Thumbnail of Detector Array Thumbnail of next view to exposure status acquired image be acquired panel 2 26 MC20 306 cdr Basic Operations ee donde SMITH JOHN A Study ld DC Procedure Description Abdomen ABD COMP W PA CHEST OR DECUB S Accession 8302000 0001 NOTE Fields with an asterisk are mandatory and require input Clear Cancel E Accept EPEX Omniflex IV System User s Guide Required Fields for Worklist Ordered Studies The DirectRay Console is customized at the time of each site installation to require certain patient and order related information before acquiring the patient images can proceed Occasionally all the required patient and study information is not sent from the Modality Worklist provider to the DirectRay Console as part of the query In that case you are presented with an Edit Patient Visit or Study window prompting you to enter the missing information An example of the Edit Study window is shown below In the example a Study ID has been configured as a required value but no value was received in the patient query from the Modality Worklist provider
116. wer the table Figure 2 4 HORIZONTAL Multi axis Foot Switch m pod pesi eleases table for Table Controls manual horizontal Table Up Table Down movement Raises table Lowers table TM30_009 CDR TM20_066 cdr For complete instructions on how to operate the radiographic table refer to the EPEX Radiographic Table User s Guide 2 30 Basic Operations EPEX Omniflex IV System User s Guide Positioning the Bucky Use push buttons located on the Bucky handle arm handle and tower handle to release the brakes on the various joints of the articulating arm freeing the Bucky and Bucky tower for repositioning Also to assist you in positioning the Bucky into standard positions mechanical detents are incorporated into the articulating arm joints Each brake release push button is a momentary switch Brakes are deactivated for as long as you depress the corresponding release switch With the articulating arm brakes released you perform all Bucky movements manually For complete details on the Bucky controls and procedures refer to the EPEX Radiographic Table User s Guide You can position the Bucky in the following ways e Pivot the Bucky between portrait and landscape e Pivot the Bucky between upright and horizontal positions e Raise or lower the Bucky Move the Bucky longitudinally along the table e Rotate the Bucky around the articulating arm Rotating the Bucky Between Portrait and Landscape Figure 2 5 shows the control
117. wo positional orientations of the EPEX Omniflex IV system these define the normal operating mode of the system Standing Chest Mode Horizontal SID The PBL system is functional at 40 and 72 in SIDs when the Bucky is positioned in the Standing Chest orientation Under Table Mode Vertical SID The PBL system is functional in the Under Table mode In this mode the Bucky is positioned under the table top with the plane of the receptor oriented horizontally Many other positional orientations of the EPEX Omniflex IV system are possible and are used for special procedures Bypass of the PBL system occurs in these special procedure orientations such that the PBL system is not functional and the system reverts to a manual collimation mode of operation Caution Regarding Small Detail Object Imaging As with all digital imaging devices there is the potential that small detail structures high contrast edge structures and fine line structures with a repeating pattern could appear differently in the digital image than in an image created with an analog device such as screen film system or with another digital device having smaller individual detector elements For example for a sharp edged object the edges of that object may appear to have stair steps when in fact the object edge does not have such structure This is an effect of digital undersampling For small detail objects having a size on the same order of magnitude as an in
118. ze Use this option when you are printing to a printer that supports True Size and want to print the image at its true size Print Ruler Use this option when you want to print a ruler on the sheet Print Optimize Use this option when you want the destination Orientation hardcopy output device to adjust the image size and orientation to fit within its image area on the sheet at the largest size possible To resend another patient s images click the Choose a New Patient button in the Resend window to redisplay the Choose a Patient window Then repeat steps 2 to 8 from the previous procedure Managing the Image Output Queues and Resending Images 3 9 EPEX Omniflex IV System User s Guide Repreviewing Images Admin Manage Queues Protect Patients Calibrate Image Management DR Device Control MCo0_411 tif The Repreview function is used to manipulate an original image that has already been sent You can take the original image perform image enhancement functions such as cropping image rotation mirroring or adding markers and resend the image to the printer To repreview an image Step Action 1 From the Admin menu choose Image Management The Choose a New Patient window displays Patient Name Patient ID Enter Patient Name for wildcard Choose A New Patient a a a a Name 3 10 Search Results 5 Close DK00 045 tif Managing the Imag

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