PcCR 1417 ACL4 System - Genesis Digital Imaging
Contents
1.2. Scanning Standard format 14 x 17 2 5 Lp mm Resolution High resolution 14 x 17 5 Lp mm Normal format 10 x 12 3 5 Lp mm High resolution 8 x 10 4 2 Lp mm Normal format 9 5 x 9 5 4 2 Lp mm Plate and Pixel 8 x 10 plate size 100 x 100 um pixel size Size 9 5 x 9 5 plate size 100 x 100 um pixel size 10 x 12 plate size 126 x 126 um pixel size 14 x 17 plate size 173 x 173 um pixel size or 86 x 86 um at high resolution Plate Type AGFA ADC MD 30 produced and licensed to OREX by AGFA GEVAERT A G Scanning 9 5 x 9 5 plate size 47 sec Time 8 x 10 plate size 62 sec 10 x 12 plate size 50 sec 14 x 17 plate size 50 sec Erasing Time 9 5 x 9 5 plate size 16 sec 8 x 10 plate size 13 sec 10 x 12 plate size 19 sec 14 x 17 plate size 26 sec Total 9 5 x 9 5 plate size 82 sec Scanning 8 x 10 plate size 92 sec Time 10 x 12 plate size 86 sec 14 x 17 plate size 90 sec Orex Ltd Appendix A Calibration Procedures 49 APPENDIX A CALIBRATION PROCEDURES CAUTION These procedures should be performed only Orex authorized representative or support Find Origin Calibration To perform find origin calibration 1 2 Make flat field general purpose cassette Insert the cassette containing the phosphor plate into the scanner From the Calibration tab select the Find Origin checkbox Click Start to start the Calibration process The calibratio
3. Edt Sub CV Fieri Set New Sub Organ Name r pl 3 Add sub open Debe nb expan UTE View r Save am nEX pa Figure 16 Adjusting the Gain Changing the PM Gain in the Image Diagnostics mode To give you an idea of how changing the gain will affect the histogram you can enter a PM gain value in the Diagnostics screen and immediately see how the histogram is affected before saving the value For instance in Figure 17 the gain is set to 1 0 producing sub optimal histogram that 1s too close to the origin In Figure 17B the gain has been changed to 0 3 and the histogram moves to a more optimal position towards the middle of the graph Figure 17 Previewing the Effect of Changing Gain on the Histogram To change the Gain Factor enter a value in the Gain Factor window and then click Process Orex Ltd 36 PcCR 1417ACL4 System Users Guide After observing the effect of changing the Gain Factor on the histogram and image you have two options for saving the gain factor e Save Gain Factor to Anatomy saves the Gain Factor for the specific organ Save Gain Factor Globally saves the Gain factor for the whole unit Adding and Deleting Sub Organs When you add delete sub organs changes are automatically saved in all units To add a new sub organ See Figure 18 1 Select the relevant organ in the Organ column 2 Insert t
4. esee eee ener enne 54 FIGU FIGU FIGU FIGU FIGU FIGU FIGU FIGU FIGU FIGU FIGU FIGU FIGU FIGU FIGU FIGU FIGU FIGU FIGU FIGU FIGU FIGU FIGU FIGU FIGU FIGU FIGU FIGU FIGU FIGU Table of Figures RE 1 FRONT VIEW OF SCANNER rrrrrvrervrerererererererererererererererererererererererererererevevevevevererevevevesevevevevevevene 10 RE 2 REAR VIEW OF SCANNER evrrorvrerererererererererererererererererererererererererererererevevevevevevevevevevevererevevevevevene 10 RE 3 9 21 1 1 1 1 1 1 440 4 6 ERR n Re sette sa RR eR 12 RE 4 LOADING THE CASSETTE sossvsvsvavavnvnvannvnvnvnvavavavanavavavavavavavaravnvavavasnvavanavanavanasavavananavavannssvsvansnnnnr 16 RE 5 IMAGE PREVIEW DURING SCAN 18 RE 6 EXAMPLE OF MULTIPLE IMAGES errrorerererererererererererererererererererererererererereveveveveveveveverevevevevevevevere 20 RE 7 RATS2 INTERFACE uses 21 RE 8 0 VALUE IN IMAGE HEADER etae 23 RE 9 CHOOSING AN IMAGE TO RESTORE rerrvrvrvrvrvrernrerevererererernrerererererererereveverevnvevevevevevererevevevevevevene 25 RE 10 TWIN IMAGES DISPLAYED FOR COMPARISON 27 RE 11 THE ENTER SETUP DIALOG BOX rerererererererererererererererererererererererererererereveverererereve
5. 3 ELECTRICAL HAZARDS vu krenket ie See 4 EXPLOSION AND IMPLOSION 5 5 OVERHEATING ute ee 5 LASER SAFETY INSTRUCTIONS vaier ere read 5 LABELING SUMMARY ee GER 6 IEC SYMBOES USED sin 6 DEVICE SPECIFIC SAFETY INFORMATION ccccccecececececscecececececececececececececececececececececececececececececececececececs 7 REGULATORY INFORMATION us kirke 7 CE COfOTfnlty As iis drap Dn ete dicere de eet rt da eee de 7 USA Re Gulati Onsisessisceectes ene dr era tee dva A a este ve eri vive etus 8 CHAPTER3 OVERVIEW casisiscesscscsusosiessscecsscssscasscoesosseseascbescessevsateossevecssbessasesbebinossencsedessaesessscucsousses 9 OPERATIONAL PRINCIPLES cccccececececececececececececececececececececececececececececececececececececececececececececececececececececsce 9 SCANNER COMPONENTS c00sssssssesesesesesssessseseseseseseseseseseseseseseseseseseseseseseseseeesesesesescseseseseseseseseeeeeseeees 10 SCANNER STATUS INDICATORS c0csssesesesssesesssesesesesesesesesesesesesesesesesesesesesesesesesestecseseseseeeseseeeeseeeeeees 11 THE SCANNER 12 CHAPTER 4 PERFORMING A SCAN eesesseessesvseensvsvesssesseensnnessensnseessnnsssensnsessennssensnnsnsennnsessenssseeneee 13 LAUNCHING THE SCANNER INTERFACE ccccccecececececececececececececececececececececececececececececece
6. Application Machine mAs CR ACL 4S 45 300 15ms ACL 4B 25 100mA 20ms RT ACL 4S 30 300mA 100ms ACL 4B 15 300mA 50ms Orex Ltd 54 PcCR 1417ACL4 System Users Guide Slide the X ray source head to a SID 80 205 cm move the table aside and clear the path for the X ray beam from the source down to the floor to achieve the required SID Place the dosimeter on the floor at the beam center Place the Copper plate at the X ray collimator window For RT calibration no filtration is used The set up scheme is shown in Figure 29 Execute exposure and read the dosimeter readout If the dosimeter readout is out of the required range slide the X Ray head slightly above and below the nominal SID to achieve the required dose Remove the dosimeter detector when the dose requirement is complied CR Plate Exposure and Calibration 1 2 Slide the Copper plate out of the collimator window Place the cassette loaded with well erased CR plate on the floor with its center located at the X ray beam center Slide back the Copper plate to cover the collimator window For RT calibration no filtration is used Expose the cassette setup to X ray radiation Enter the scanner interface and click the setup button Note that it is assumed that the origin find and offset find calibrations were executed through the normal procedures In the calibration tab of the scanner interface check the Fin
7. FIR EX Distributed Computed Radiography PcCR 1417ACL4 System USER MANUAL PcCR 1417ACL4 System Users Guide Copyright O Orex Ltd 2004 All rights reserved No part of this publication may be reproduced in any material form including photocopying or storing it in any medium by electronic means whether or not transiently or incidentally to some other use of this publication without the prior written permission of the copyright owner or under the terms of a license issued by the copyright owner The information contained in this document is subject to change without notice Orex is neither responsible for nor liable to anyone in connection with this document Contact Information Israel Headquarters Tel 972 4 959 1331 Fax 972 4 959 1262 E mail support orex cr com US Office Tel 1 617 244 9000 Toll free 1 888 844 7775 within US only Fax 1 617 244 9020 E mail salesusa orex cr com USER MANUAL c n AT095004 04 Table of Contents CHAPTER 1 INTRODUCTION esei 1 ABOUT ces eo b tea a e RO stanset la e ea dete aee ERE snare 1 DOCUMENT CONVENTION ae eet hae kateb ARE 1 Notes and Cautions m es eer JETS TRAIN HAGN acad aaa aedes 1 LISTE ABBREVIATIONS hisse akk eu eee eye ee qe ard 2 2 SAFETY AND REGULATORY INFORMATIONN eee esee 3 GENERAL SAFETY GUIDELINES sic i audi
8. Gain Calibration Introduction This procedure is based on linearization of three parameters the dose level of exposure measured Gy the PM gain specified as 8bit A D value 256 values and gray level 12 bit A D 4000 system values Usually for a given dose level the mean gray level GL of the scanned image corresponds to the PM gain used For the same scan increasing decreasing the PM gain will increase decrease the signal GL This calibration procedure uses a new PM gain value called PMG where each PMG refers to a specific GL with linear dependence Preliminary x ray Requirements 14x17 exposed area must be verified for uniform lateral exposure level at the following doses Application Machine Dose Units CR ACL 4S 2 5 2 8 ACL 4B 1 25 1 4 uGy RT ACL 4S 600 700 uGy ACL 4B 300 350 UGy N Appendix A Calibration Procedures 53 Accessories e ACL machine with Nominal Gain Calibration s w installed e Calibrated dosimeter e Copper plate 1 mm thick CR 14 17 cassette o Aluminum faceplate o With MD30 plate Calibration Procedure A eres or EN SID min 200 SS eS WEE Figure 29 Calibration Setup X Ray Dose Adjustment 1 Using the X ray machine set up panel verity on the monitor screen the following parameters Large focal spot SID 2 05m Delta 80kVp and mAs as follows
9. i PECR 1417 Cassette Tray Figure 1 Front View of Scanner OO aE oS USB Connector Power Connector Figure 2 Rear View of Scanner Chapter 3 Overview 11 Scanner Status Indicators There are two LED status indicators located on the front of the PcCR 1417 scanner above the cassette entry slot Each indicator can appear Green and Orange and the color can be either constant or blinking The colors indicate the following System Status Left LED Right LED Power Up Orange Off Power Up FW Off Green downloading done Insert Plate Green Blinking Green Blinking Loading Cassette Plate Green Blinking Green Blinking Ready For Scan Green Blinking Green Scanning Green Green Saving Image and Erasing Orange Blinking Green Blinking Unloading Cassette Plate Green Blinking Green Blinking Pull Out Cassette Green Blinking Green Blinking Error Orange Blinking Orange Blinking Orex Ltd 12 PcCR 1417ACL4 System Users Guide The Scanner Interface Figure 3 Scanner Interface Scan Abort Erase Unload plate and Eject cassette Restore files from archive Setup Exit Body part selection Oo cy A Q e Units Chapter 4 Performing Scan 13 CHAPTER 4 PERFORMING SCAN The scanning process consists of the following stages e launching the Scanner Interface
10. printing network operation or emailing These operations may result in errors in the scanning process Click the Scan button to initiate scanning The Initializing scanning and then the Scanning messages are displayed on the main dialog If you want to stop the reading process click the Abort button The plate is automatically unloaded from the Scanner into the cassette Note If you press the Abort button the cassette is not erased You must manually erase the cassette before the next exposure You can view the scanned image in the Image Preview window Note that the image brightness and contrast change as the scanning proceeds A countdown timer is displayed on the lower right indicating the time left for reading the plate Figure 5 Orex Ltd 18 PcCR 1417ACL4 System Users Guide 1 Roni Stern 17 Empty Countdown Timer Figure 5 Image Preview During Scan When the scanner has finished reading the plate the digital image appears in the Preview Window e Unless otherwise selected the cassette will be erased automatically and an Erase message appears e If Auto erase was not pre selected and you wish to manually erase the cassette insert the cassette and wait for system initialization to be completed When the Plate width x length is ready message is displayed on the main dialog press the Erase button A countdown timer is displayed only in the non automatic erasing mo
11. 1 Auto Shutter E Save gain factor to anatomy Save gain factor globaly Save setup to anatomy Pixel Value 2212 Figure 14 The Image Diagnostics Screen To compare the use of the different filters you can open multiply copies of the image by clicking the following buttons Show single image Show double image Show quadruple image o0 and try different tool or combination of tools each Figure 15 Chapter 5 Setting Up the Sytem 33 Image Diagnostics Hand ENH Linearization Gain Factor 0 3 MR Auto Shutter Save gain factor to anatomy Save gain factor globaly Save setup to anatomy Pixel Value 1570 Figure 15 Twin Images Displayed For Filter Comparison 1 Choose a filter from the dropdown list Figure 14 and Pre fades click the process I button to see its affect on the image 2 Choose Default to reset the zoom windowing data correction and filters and to restore the original image state 3 Choose Save Setup in Anatomy to save the filter data correction method and gain to the specific organ For information about setting the gain see Adjusting the Gain page 33 Adjusting the Gain The PM Gain used during the scan of a specific image controls the image quality The PM Gain should be calibrated so that the image histogram falls within the dynamic Orex Ltd 34 PcC
12. 1172 roh 041031 20 19 12 SKULL AP 1173 roh 041031 20 20 SKULL AP 1174 roh 041031 20 29 05 SKULL 11 041031 20 30 44 SKULL AP 11 2 EEEEEE E E is 4 File name Files of type Files roh Cancel 2 Figure 9 Choosing an Image to Restore 1 If the Restore button is not visible in the interface at Configuration tab see previous section select the Show Restore Button checkbox then click Save and OK The Restore button now is displayed in the Main menu 2 Click the Restore button on the Scanner Interface The contents of the Archive directory are displayed 3 You can select the image to be restored according the date and time of the scan For reasons of confidentiality the patient s name is not displayed in the image archive After choosing the desired image from the Archive directory click Open The image is displayed in the Image Diagnostics screen Orex Ltd 26 PcCR 1417ACL4 System Users Guide The following image enhancement tools Table 1 are available to produce an optimal image Display image Histogram in gray scale m dimension Q Zoom In EI Zoom Out Flip Horizontal t Pan Rotate 90 Left Rotate 90 Right Designate Region of interest for Histogram Exit ES 5 Table 1 Image Enhancement Tools To compare the use of the different tools you can ope
13. CONSIGNES DE SECURITE LASER LASER A Laser emitting produet APPAREIL METTANT DE LASER RAYONNEMENT DE LASER EVITEZ L EXPOSITION AU CLASS 3B LASER PRODUCT INSIDE FAISCEAU LASER DE LA CLASSE 3B SCANNER APPAREIL A LASER DE CLASSE 3B A L INTERIEUR DU SCANNER HIGH VOLTAGE HAUT VOLTAGE HIGH VOLTAGE CHASSIS GROUND STUD POINT DE MISE EN TERRE DU CHASSIS A ATTENTION CONSULT ACCOMPANYING ATTENTION CONSULTER LES DOCUMENTS DOCUMENTS JOINTS IEC Symbols Used The system may have labels with one or more of the following symbols These symbols indicate the IEC standards to which the system conforms accompanying documents Caution Electrical shock hazard Alternating current Output Power Protective earth points Type B Equipment Power ON d Functional Earth Ground Power OFF Warning Caution consult Input Power Chapter 2 Safety and Regulatory Information 7 Device Specific Safety Information SAFETY INFORMATION CONSIGNES DE SECURITE LIFTING HAZARD DANGER POIDS LOURD The PcCR 1417 scanner weighs 40 Kg Le scanner PcCR 1417 p se 40 881b 881 Do not try to lift the scanner by N essayez pas de porter le scanner par yourself Always seek assistance from vous m me Demandez toujours de l aide another person Lifting equipment that is d une autre personne Porter un too heavy may result in serious injury to quipement trop lourd peut provoquer des personnel and or damage t
14. Conductive fluids that seep into the active circuit components of the system may cause short circuits that can result in electrical fires Therefore do not place any liquid or food on any part of the system To avoid electrical shocks or burns caused by the use of wrong type of fire extinguisher make sure your fire extinguisher has been approved for use on electrical fires Chapter 2 Safety and Regulatory Information 5 Explosion and Implosion Hazards Do not operate the equipment in the presence of explosive liquids vapors or gases Do not plug in or turn on the system if hazardous substances are detected in the environment If these substances are detected after the system has been turned on do not attempt to turn off the unit or unplug it Evacuate and ventilate the area before turning off the system Overheating Do not block the ventilation ports of the electronic equipment Always maintain at least 6 inches 12 cm clearance around the ventilation ports to prevent overheating and damage to the electronic Laser Safety Instructions During normal operation to prevent the outside area from being exposed to laser emission the scanner shall always be enclosed in its protective over During normal operation the cover shall not be removed Removing the cover shall only be done for service purposes by a qualified technician Orex Ltd 6 PcCR 1417ACL4 System Users Guide Labeling Summary SAFETY LABELS
15. Software e Loading a Cassette e Scanning and Erasing a Plate Orex Ltd 14 PcCR 1417ACL4 System Users Guide The flowchart presents the process in a graphic form Main Window v Verify Scanning Prerequisites Y Launch Scanner Interface Set Up the Scanner Load the Plate Scanning Cycle Scan Erase Unload v Adjust Scanner ED Scanning i Settings 4 Unsatisfactory Results atl Abort Satisfactory vw Save Scanned Image oistriduted Competed Radiography Chapter 4 Performing Scan 15 Launching the Scanner Interface 1 Switch ON the scanner Power Switch See Figure 2 Wait for the warm up process to complete can take up to three minutes Switch on the computer Open the viewer interface Create a new patient file or select an existing patient file When the patient file is opened the scanner interface will automatically open Select the unit corresponding to your x ray settings Select the body area organ and sub organ corresponding to the image on the plate The scanner starts communicating with the computer Within a few seconds check that the scanner SYSTEM LED turns green See Figure 4 and the Insert plate message is displayed on the main dialog Load the cassette as described in the following section Loading a Cassette The image plate is contained within the cassette The only time that the plate should be out of the c
16. dark current values offset at each PM gain value to be compensated during a normal scan The Factory Gain Calibration step map the system response At each gain value the average pixel value is measured A table of PM gain values is constructed and used during the anatomical adjustment and specific clinic tuning 3 Anatomical Calibration a Image Configuration 2 About Last Calibration Find Origin EZ c 07 11 04 Offset Last Calibration I Find Offset yw AG r Factory Gain Calibration we Last Calibration CR oma Find Gain E 07 11 04 P d C PORTALS Start Jinsen Plate gt Figure 19 Calibration Tab Orex Ltd 38 PcCR 1417ACL4 System Users Guide Erasing Options and Automatic Scan 9 Anatomical Caibration a Image x Configuration About Local Scanner Settings r Origin Settings Up Origin x J 15 Origin Y EZ 785 Steps for plate enter Im 60 Steps for plate exit Tz306 Erase Factor feo Step Size E Screw Size fi 27 Data Maximum fo IV Auto Erase After Scan G Table Top 1 Pie 00 mm m m LISSE Reset Lamp Error Reset Scanner Diagnostics Image Diagnostics 7 Raw image Archive 3 Roller cleaning ee Image Diagnostics SAA de JA Show Restore ive Si 3 Pi ne 21 E Button Archive S
17. 17 software package that includes The OREX Scanner Interface software that operates the scanner e An image viewing and archiving software package that supports the DICOM 3 1 standard and was approved by OREX such as Or Acquite The system features 8 x10 10 x12 14 x17 9 5 x9 5 digital image reading and viewing archive 18x24 24x30 are optional for mammography 14 x34 cassette is optional for the long bone application e Cassette formats include o General radiology scans Osteogram scans o Long bone scans for long cassettes e Plug and Play USB interface Operational Principles The PcCR 1417 is digital imaging system for image acquisition and processing of static projection radiography that uses a phosphor plate with energy storage capability as an x ray image receptor After exposure a laser beam which stimulates luminescence proportional to the local x ray exposure reads the plate The luminescence signal is digitized The data is then subjected to digital image processing The OREX PcCR 1417 scanner enables the user to read a plate quickly and erase it to be ready for the next read The scanner is compact and easy to use Using the PcCR 1417 system enables medical professionals to digital without changing their work practices x ray equipment Orex Ltd 10 PcCR 1417ACLA System Users Guide Scanner Components The Scanner consists of the following components
18. R 1417ACL4 System Users Guide range so as to prevent under or ovet exposure states Its effect is similar to adjusting the processing time in non automatic film developers Once changed the new PM Gain setting affects the results of scanned images in the relevant unit only when that same sub organ is selected There are two methods for tuning the reader PM gain Manually in the Anatomical tab e Using Histogram simulation in the Diagnostics screen Changing the Gain in the Anatomical Tab To change a PM Gain value in the Anatomical tab See Figure 16 1 From the Organ drop down list select an organ unless an organ has already been selected in the main dialog 2 From the Sub Organ drop down list select the sub organ image for which you would like to change the PM Gain unless the sub organ has already been selected in the main dialog 3 Click the Gain drop down list Change adjust the Sub Organ PM Gain in the Sub organ acquisition setup section To get a darker image in case of under exposure increase the Sub Organ PM Gain e Toget a lighter image in case of over exposure decrease the Sub Organ PM Gain 4 Click Save 5 Click OK to return to the Scanner Interface s main dialog Chapter 5 Setting Up the Sytem 35 gu 8 9 Uni Select Curent Selection PORTALS Firer Vernon 2
19. assette is when the scanner automatically loads it for reading 1 2 Verify that the scanner is On and that the System LED is green indicating that the scanner is ready Insert the cassette into the scanner making sure that e The blank side faces up The open edge points toward the scanner and e The cassette is exactly centered in the scanner slot Orex Ltd 16 PcCR 1417ACL4 System Users Guide Figure 4 Loading the Cassette Slightly push the cassette into the scanner Figure 4 until it locks into position and the PROCESS LED turns orange and starts blinking The plate is automatically pulled and loaded into the scanner The PROCESS indication LED changes from orange to green The Scanner is now in the correct condition to scan the loaded plate The Plate width x length is ready message is displayed on the main dialog At this point you can choose to perform any of the following actions Select the anatomical area relevant to the image and scan the loaded plate Unload the plate by clicking Eject Erase the loaded plate by clicking Erase Cancel and close the Scanner Interface by clicking Exit If no scanning is performed within two minutes the cassette is automatically ejected OREX Distributed Computed Radiography Chapter 4 Performing Scan 17 Scanning 8 c Caution While scanning do not perform any other operation on your computer for example
20. cececececececececececececs 15 LOADING A O AS S E PC BEE LEE CRE 15 SCANNING Zee uer ee en demi EU GU eU E 17 SCANNINGAMODES 5 eee eue eise deemed eed amete dee 19 Single Image etn ete 19 NZ AVIAR DUTON A A AEAEE E ATAA ete et 19 d A Bar 21 8 aee ee AE E AE E E 22 LONG BONE MR P ea an Ak ai a e kai 22 A inu T de ae 23 SETTING UP THE SCANNER ete tee tete teet sh en Pe le 23 RESTORING A CORRUPTED IMAGE ccccccccecececececececececececececececececececececececececececececececececececececececececececesess 25 CHAPTER 5 SETTING UP THE SYTEM essoeveeessvsvessvessvensnneesensnseessnnsssensnnessensnsvensnnsssensnsessenssseenee 29 ENTERING THE SETUP voces asia 29 ADJUSTING THE SYSTEM TO AN X RAY UNIT eene nennen eese sese sese irse sese sese sese tree ee ennt 30 ELEM 31 II Adjusting the Gain seeds E eite e ie RE eta 33 Adding and Deleting Sub 36 CALIBRATION FUNCTIONS unni 37 ERASING OPTIONS AND AUTOMATIC SCAN ccssssscccececsessaeceeececeensssesecececseneseaeceeceseseseaeceeceeesensaaseeeecs 38 Setting Erasing Options and Auto Scan esses ene trennen etre 39 SETTING IMAGE PROPERTIES enter rere rE A eere beoe ce
21. d Gain box Figure 30 and verify that the radio button CR is selected then click Start to initiate the calibration process Appendix A Calibration Procedures 55 Figure 30 Factory Gain Calibration 7 The progress of the calibration process be viewed on screen at the Scanner Interface window 8 The system will inform you when it has completed the Calibration process 9 Click OK in the calibration tab and exit the scanner interface Note that in scan mode operation the PMG should be set Enter the calibration results in the form on the following page Orex Ltd 56 PcCR 1417ACL4 System Users Guide Calibration Process Results Machine Serial Number Software version Date Tested by Signature X ray Exposure Conditions Parameter Actual Requirement Units 1 x ray KV 80 KV 2 X ray mAs mAs 3 x ray Dose uGy 4 Focal Spot Small Large Large 5 SID 205 cm 6 Cassette Identification 7 Cassette Format 14 x17 CalibrationResuts Parameter Actual Requirement Units 1 X Ray Dose for calibration uGy 2 Gray level at PMG 250 0 1000 Sys Values Verification Results Parameter Actual Requirement Units 1 Upper half mean gray level SU 2300 2600 Gray Level 2 Bottom half mean gray level SB 3100 3400 Gray Level 3 Calculate 4000 SU 4000 SB 1 8 2 1
22. de Depending on the scanning mode See Scanning Modes page 19 the image is either automatically sent to the QC station or is sent to the QC station together with additional images from the study You have completed the plate scanning process At this point you can re use the scanned and erased plate A Chapter 4 Performing Scan 19 Scanning Modes When the system is installed the technician sets which scanning modes are available The system offers three scanning modes e Single image e Multi image RAIS2 The user cannot change the available scanning modes If you wish to change the available modes contact your Orex authorized distributor Single Image In the single image mode the image is automatically sent to the QC station immediately after scanning This mode should be used if you do not perform studies or scan images from two scanners simultaneously Multi Images The multiple images feature is useful when performing a study This feature allows scanning of multiple images from the same patient without having to exit and reenter the interface Orex Ltd 20 PcCR 1417ACL4 System Users Guide s gd T ih Scanned images in the series g Figure 6 Example of Multiple Images To scan in the multi image mode scan a series of cassettes without clicking the Exit button The last ten images of the series appear in row under the preview screen e Click the image to enlar
23. ennen nennen nennen nnne neni 51 29 eee ttee ted de eee et eee denne eer 53 RE 30 FACTORY GAIN CALIBRATION eese eene erret rrt nennen nent nennen nennen 55 Chapter I Introduction 1 CHAPTER 1 INTRODUCTION About Orex OREX Ltd is market innovator in the field of portable Computed Radiography Technologies Founded in 1995 under the name of Digident the company initially entered the market of desktop dental radiography providing high quality portable CR reading units for dental and orthodontic professionals around the world Following the successful penetration of the global dental market the company changed its name from Digident to OREX and expanded its markets and product lines to serve the dental medical military industrial and veterinary fields OREX designs manufactures and markets phosphor image laser scanners These units replace the traditional x ray film and light box The scanners allow the user to immediately read the x ray image from the phosphor plate and transfer it to a DICOM 3 compatible digital computer file Once transferred users can manipulate the digital image for optimal viewing of details including window level zoom rotation and measurements Alternatively the image can be transmitted it for long distance consultation After each scan the phosphor plates are automatically erased by the unit ready for re u
24. ge it flip or rotate the image right click on the image A popup menu will appeat e After you have scanned the last image in the series click the Exit button to send the images to the QC station Chapter 4 Performing a Scan 21 RAIS2 RAIS2 is for use with two Scanners In RAIS2 mode you can save time by scanning multiple images from the same patient simultaneously using two different Scanners Figure 7 RAIS2 Interface The image from each Scanner appears in preview window and then appears in row under the preview window e Click the image to enlarge it e flip or rotate the image right click on the image popup menu will appeat After you have scanned the last image in the series click the Exit button HH in the lower tight corner to send the images to the QC station Orex Ltd 22 PcCR 1417ACL4 System Users Guide Osteogram Osteogram is an optional feature that can produce images that are compatible for use with Osteogram software For further details see the Osteogram User Guide Long Bone Long bone is an optional application for use in cases where long images are required such as scoliosis For further information see the Long Bone user guide N Chapter 4 Performing Scan 23 Q Value The value provides a quantitative indication of image quality The Q value appears in the header of the image in the QC station Figure 8 This parameter i
25. he new sub organ in the Set New Sub Organ Name field 3 Click the Add new sub organ button 3 Anatomical le Calibration Image IX Configuration About Unit Select Application Factory Gain Setting Current Selection CR PORTALS p g skul Ska Organ Filter Version 2 Gain Offset Noise Reduction Skull Skull AP None 10 0 No EH Skull PA None zo 0 No 7 Skull Lat None zo 0 No Skull Towne s None E 0 E Upper Extremities vi Sub Organ CY Filters Set New Sub Organ Name IT Use Cy Filters j DE Add new sub organ Factoy defaut Delete sub organ Adjust Fiter to Organ View Offset Table o Extemal Settings Figure 18 Adding Deleting a Sub Organ To delete a sub organ select it and click the Delete sub organ button A p Competed Radiography Chapter 5 Setting Up the Sytem 37 Calibration Functions The PcCR system is leaves OREX factory port calibrated through the three calibration stages Origin Offset and PM gain Any of these calibrations stages should be performed only OREX representative support or authorize distributor For further details see Appendix Calibration Procedures page 49 The origin calibration step finds the system origin coordinates x y to be used during the scan The offset calibration step generates the table of
26. ick OK The Setup dialog box opens with the Anatomical tab selected Figure 12 Orex Ltd 30 PcCR 1417ACL4 System Users Guide seo 3 Anatomical le Caitration image IX Configuration Unit Select 3 Application Factory Gain Setting Current Selection 6 C PORTALS 212 Skull Skul AP Organ Filter Version 3 Noise Reduction E Skull Skull AP Skull PA Skull Lat Small Extremity light Small Extremity light Small Extremity light Skull Towne s Small Extremity light Sinus Test Small Extremity light Upper Extremities Edit Sub Organ CV Filters Set New Sub Organ Name Use Cy Filters I as Add new sub organ Factory default Delete suborgan Aes este Digan View Offset Table Enteral Settings Savi Figure 12 The Setup Dialog Box Adjusting the System to an X ray Unit The Scanner Interface is designed to work with up to four different x ray units A unit can be assigned to different X ray machines e g mobile and stationary or to widely different x ray settings e g premature babies and pregnant women in a maternity wing on the same unit Each unit is represented by a number and includes a unique set of PM Gain and offset values and filtration values for each sub organ Before x raying select the machine you a
27. is box to determine the number of images to be stored where they will be stored and how much compression will be used Rotate Canvas This function determines the orientation of the image produced It enables you to rotate an image in a constant manner for all images acquired Orex Ltd 42 PcCR 1417ACL4 System Users Guide About Tab The About OREX Software tab Figure 22 lists the versions of system s software Boot Scanner Interface and so on Knowing which versions you have may be necessaty when you contact a technician or support personnel by phone or email You can also view the number of scans that have been performed by your Scanner since the last reset The Serial Number of the Scanner is also listed here Figure 22 The About Tab Chapter 6 Cleaning the Rollers 43 CHAPTER6 CLEANING THE ROLLERS Overview Periodically clean the rollers to remove dust and small particles The roller cleaning device enables you to clean the rollers that feed the image plate from the cassette into the Scanner The Cleaning device includes the following items e Cleaning tray e Cleaning plate with adhesive strips covered with protective paper a protective envelope Using the Cleaning Plate to Clean the Rollers 1 Remove the cassette and plates form the Scanner 2 Open the Scanner Interface 3 In the Scanner Interface click the Setup button The Setup dialog box opens 4 In the Setup dialog box
28. ize GB repare Figure 20 The Configuration Tab The Configuration tab allows the user to set a number of options Caution Most of these functions should not be altered without first conferring with an authorized Orex representative e Erase factor enables you to change the default erase time Over 100 sets a longer time e Auto erase after scan enables the erasing of a plate automatically after the scan is completed Auto erase after scan is the default value of the system and should be changed only specific conditions Note When auto erase is disabled the cassette needs to be manually erased after each scan Otherwise images acquired might not be of clinical value M A 4 5251 ompated Radiography Chapter 5 Setting Up the Sytem 39 e Auto scan enables the initiation of a scanning procedure as soon as the cassette enters the scanner This option is useful if you are continually imaging the same sub organ By choosing this option you don t have to use the interface to initiate scanning Rescan enables an additional scan on the same plate without reloading the plate e Show Restore Button displays the Restore button at the bottom of the main screen enabling you to display raw images in case the one you want to modify any of the image enhancement tools used by Orex e g image enhancement filters noise reduction automatic image crop e Auto Load initiates pla
29. n multiple copies of the image by clicking the following buttons Show single image Show double image Show quadruple image EN and try a different tool or combination of tools on each Figure 10 N Chapter 4 Performing a Scan 27 Image Diagnostics Hand ENH EE Linearization Gain Factor 0 NR Auto Shutter Default Save gain factor to anatomy Save gain factor globaly Save setup to anatomy C 1385 W 2765 Figure 10 Twin Images Displayed For Comparison When the image appearance and quality satisfy you the viewer you can save the present setup by clicking the Save setup to anatomy bar exit the Image Diagnostic screen click the Exit E button The image will be saved in the database MA 9 y Note Uncheck the Sbow Restore Button box in the Configuration tab if you do not wish the Show Restore button to appear in the interface Orex Ltd Chapter 5 Setting Up the Sytem 29 CHAPTER 5 SETTING UP THE SYTEM Entering the Setup Menu Not all set up functions are available to the user Functions that are available to the technician only appear grayed out when a user enters the set up functions 8 1 From the main interface click the Setup button dialog box opens Figure 11 The Enter Setup Enter Setup ix C Technician C Technician Figure 11 The Enter Setup Dialog Box 2 Choose User 3 Cl
30. n scan starts from the right hand side successful completion of the process results in green check mark to the left side of the process icon Orex Ltd 50 PcCR 1417ACL4 System Users Guide Figure 27 Find Origin Calibration TREX __ Appendix A Calibration Procedures 51 Offset Calibration The Offset calibration automatically finds the offset values for predetermined gain values and sets them in a Look Up Table 1 Insert a general purpose cassette containing the phosphor plate into the scanner 2 the phosphor plate twice to eliminate remainder of information on the film 3 Start Scan 4 From the Calibration tab select the Find Offset checkbox 5 Click Start to start the Calibration process For every PM level 255 system values the system calculates an equivalent offset value When the process is successfully completed a green check mark will appear to the left side of the process icon together with a table containing the new offset values 4 Anatomical cassis Image Configuration 9 Last Calibration Find Orig EX 07217704 Last Calibration 07711704 Factory Gait Calibration Last Calibration EHE C CR Er I Find Gain vw 07 11 04 PORTALS Start inse Plate Abort Figure 28 Find Offset Calibration Orex Ltd 52 PcCR 1417ACL4 System Users Guide Nominal Factory
31. o equipment dommages physiques et ou endommager le mat riel WARNING ATTENTION The PcCR 1417 scanner is a CLASS 1 Le scanner PcCR 1417 est un produit laser de Laser product la Classe 1 Do not remove the scanner cover Ne pas retirer le couvercle du scanner Cover removal shall be done only Le retrait du couvercle doit s effectuer by authorized service personnel uniquement par un personnel comp tent Regulatory Information The Product conforms to the following safety standards IEC 601 1 Medical Electrical Equipment General Requirements for Safety EN60601 1 2 Medical Electrical Equipment Electro Magnetic Compatibility Requirements and Tests IEC 60825 1 Safety of Laser Products CE Conformity This product conforms to the requirements of council directive 93 42 EEC The PcCR 1417 is a Class I medical device The PcCR 1417 bears the following mark of conformity The name and address of the CE representative appears on the back of the front page of this manual Orex Ltd PcCR 1417ACL4 System Users Guide USA Regulations The system was cleared for sale in the USA by the FDA Caution Federal US law restricts this device for sale by or on the order of a physician N Chapter 3 Overview 9 CHAPTER 3 OVERVIEW The OREX PcCR 1417 system is designed for the reading of phosphor x ray plates CR by medical professionals The system consists of the OREX PcCR 1417 scanner and the PcCR 14
32. otate Canvas Horizontal Flip I Vertical Flip 30 Cw S0ccw Figure 21 The Image Tab Data Correction Method The general work mode for Data Correction is Linearization In some cases such as during system tests or when raw data it required the No Correction mode is selected It is not recommended to change the data correction mode without consulting with Orex authorized suppott Raw Image Properties If an image fails to appear on your viewer it is important to make sure that the image s Raw image path in your viewer matches the location on your hard disk contact OREX support for the location on the hard disk e The image path determines how the image is entered into the PACS e Uncheck the Include Header box if your PACS does not support headers Cropping Use this function to crop out white areas around the image h stributed Computed Radiography Chapter 5 Setting Up the Sytem 41 Auto crop automatically removes the white areas around a scanned image according to image content e Geometric Crop removes a specific amount pre selected by Orex amount of the white area around a scanned image Demo Scan The Demo Scan function enables you to display an image on your computer screen without connecting to the scanner use the Demo scan function select the Demo Scan box JPG Image Properties The system can store up to 500 images in jpg format Use the fields in th
33. re going to use by clicking that unit s number Each unit can be given a name on the Anatomical tab After you name a unit that name appears on the main dialog whenever that unit is activated To adjust the system to an x ray unit 1 In the Scanner Interface Figure 13 click the desired unit 1 2 3 or 4 This can also be done on the Anatomical tab of the Setup dialog H 0 Distributed REX Radiography Chapter 5 Setting Up the Sytem 31 PcCR 1417 Click here to select a unit Figure 13 Unit Selection 2 Once inside a specific unit you can select the Gain and the Image enhancement filter for each organ Filters Selecting an organ automatically evokes a recommended default image enhancement filter If the default filter does not turn out to be suitable for the sub organ you can select a different filter from the pull down list which is common to all the sub organs creating an organ and click the Set button If you choose not to use an image enhancement filter for that specific sub organ select the None option Selecting a Filter To select a filter 1 Click Adjust Filter to Organ button in the upper right corner 2 The Image Diagnostics screen opens Figure 14 Orex Ltd 32 PcCR 1417ACL4 System Users Guide Organs Skull p Sub Organs Skull AP v Choose Filter None Gain Factor
34. rererevereveserere 29 RE 12 THESETUP DIALOG BOX mask 30 RE 13 UNIT SELECTION 7 55 reete edv dee aoi aUo pde DUREE ive Ove uad 31 RE 14 THE IMAGE DIAGNOSTICS eene 32 RE 15 TWIN IMAGES DISPLAYED FOR FILTER COMPARISON s sesesesesesererererererererererererererererererererere 33 RE 16 ADJUSTING THE GAIN msgstr aina kastes 35 RE 17 PREVIEWING THE EFFECT OF CHANGING GAIN ON THE HISTOGRAM erre 35 RE 18 ADDING DELETING A SUB ORGAN rrvrvrvrvrvrerererererererererererererererererererereveveverererevevererererevevevevene 36 RE 19 THE CALIBRATION ee eee pede erae pee ep ees ede ep eee pe ee eee pee eue 37 RE 20 THE CONFIGURATION TAB rrororvrerererererererererererererererererererereverererererevereverevevereveveveverereveveveverere 38 RE2 THEIMAGE TAB 0555 tercie eere e te ie aene eui e re d 40 RE22 THE ABOUT TAB eae ce ertet e e e e EU ei e eed uie dy 42 RE 23 REMOVING THE PROTECTIVE SHEET 00110 rrr 44 RE 24 REMOVING THE PROTECTIVE PAPER STRIPS eese een nnne 44 RE 25 INSERTING THE CLEANING TRAY eee eee nnn nnne nnn 45 RE 26 DISCONNECTING THE CLEANING TRAY eee 45 RE 27 FIND ORIGIN CALIBRATION eee nnne nennen e ere 50 RE 28 FIND OFFSET CALIBRATION 1 eene ener rrr neret r
35. rle v eere eo espe Pee esse 40 Data Correction 40 Raw Image Properties i io ie 40 CHOPPING o e eene edendo nette queo tete 40 DenmoiScai s atauadnanace eere eaae aiii 41 JPG Image Properties ie ee etre eger o Re TR 41 Rotate Canv s avdukes kratere ERE 41 ABOUT TAB oes oii sede ck cel ede a E edet a Hem 42 CHAPTER 6 CLEANING THE ROLLERS oeoovseovevsssvseenevensvsssnesessnseenssessssesnesessnssenenessnsesnesessnseenee 43 OVERNEVNTE 43 USING THE CLEANING PLATE TO CLEAN THE ROLLERS erorororronnnnrnrnvnrsnrnennrnrnensnrssennnnrsrnsnrsnennnnrnnnsnssnnn 43 CHAPTER 7 SYSTEM SPECIFICATIONS seesssesssvessssesssveesnnesssvensnnesssseessnessssenssnessssesssnesssvnssnnesser 47 APPENDIX CALIBRATION PROCEDURES esssesessvsesnevsssvseenesssssssensssnssssenssensnssnnsssnsssssnsnssnseene 49 FIND ORIGIN CALIBRATION in eS 49 OFFSET CALIBRATION In slet 51 NOMINAL FACTORY GAIN 122 11 422 401 40040000000000000000000000500000005000 52 SE 52 Preliminary x ray Requirements 52 aa 53 Calibration Procedure ccccccccccccccssscescccccsssssscsscecccecssssccscesecsssssscssesecessessessscsceessssscssscscsesesssseeseseecees 53 CR Plate Exposure and Calibration
36. rs for system operation Anatomical Use to adjust the parameters linked to the anatomical regions to be scanned and specific parameters related to these scans including specific gain and image enhancement tools filters Calibration Initiates system calibration procedures These procedures are performed during production and the user it is not allowed to conduct them Image This tab is used to set data correction methods and other general not anatomical specific image enhancement tools including automatic rotation flip of images Configuration Use to adjust technical data connected to image acquisition and scanner interface such as plate origin adjustment possibility to evoke special menus like image restore li Chapter 4 Performing Scan 25 Restoring Corrupted Image Selection of incorrect image enhancement tools filters can result in sub optimal image in spite of the fact that the raw data of the image x ray dose and corresponding Gain is optimal If you suspect that this situation occurs for one or more images you can restore the image in its raw state and process it manually with the tools available in the Image Diagnostics application 1 Roni Stern 27 Empty Look in C3 Archive J ek E3 041031 20 22 29 SKULL AP 11 041031 20 24 08 SKULL AP 11 20 Histogram 041021 23 54 45 SKULL 8953 roh 041031 20 15 55 SKULL 1171 roh 041031 20 17 34 SKULL AP
37. s an exposure index that is attached to the image header and displayed on the upper right side of the image The Q number is based on an image processing module that performs histogram analysis to deduce the radiography exposure conditions The Q number serves as an indicator for the dose in the plate and for image quality and indicates either extreme under or over exposute The optimal range for the various body parts depends on the x ray techniques that are used at the specific clinics The Q number is factory calibrated to 10uGy dose 80KV 5mAs 1 mm Cu filtration SID 1 25m When a flat field image is processed at no correction mode and at PMG 100 one should expect to receive Qcal 200 at tolerance of 10 Typical values for producing properly expose images are within a range of 100 400 For extremities 100 600 where this value is linearly proportional to the dose on the plate The higher Q value the higher dose on the plate Figure 8 Q Value in Image Header Setting up the Scanner You must set the system parameters when at first time you either you use the system or scan specific organ Once the system organ scan parameters were set it is not required to set the system parameters for the next scans See Chapter 5 for further details Orex Ltd 24 PcCR 1417ACL4 System Users Guide 3 Click the Setup button to open the Setup window The Setup window contains several menus tabs to set the paramete
38. s manual the operator shall Orex Ltd 4 PcCR 1417ACL4 System Users Guide o Follow the safety precautions as specified in this manual O Freeze the situation and prevent any change o Immediately contact the service office report the problem and await further instructions The images provided by this system are intended as tools for the competent user They are explicitly not to be regarded as sole incontrovertible basis for clinical diagnosis Users are encouraged to study the literature and reach their own professional conclusions regarding the clinical utility of the system The user shall be aware of the product specifications and of system accuracy and stability limitations These limitations must be considered before making any decision based on quantitative values In case of doubt please consult yout sales representative Electrical Hazards Do not remove or open system covers or plugs Internal circuits use high voltage capable of causing serious injury An electrical hazard may exist if any light monitor or visual indicator stays on after the system is turned off To prevent possible injury turn off the switch in the mains power supply box on the wall and contact your service representative immediately Fuses blown within 36 hours of being replaced may indicate malfunctioning electrical circuits within the system Have the system checked by qualified service personnel Do not attempt to replace any fuse
39. se OREX provides clients with a full solution including laser scanners phosphor image plates laser scanners software for image processing storage retrieval and communication in Picture Archiving and Communications System PACS compatible format Document Conventions Notes and Cautions Pay particular attention at specific points in a procedure when one of the following messages appears WARNING Warnings indicate precautions and instructions which if not followed may result in personal injury or even death Orex Ltd 2 PcCR 1417ACL4 System Users Guide CAUTION Cautions indicate instructions that if not followed may result in damage to the software or sub optimal results NOTE Notes provide pertinent information to help obtain optimum performance from the software List of Abbreviations LED Light Emitting Diode USB Universal Serial Bus GUI Graphic User Interface DICOM Digital Imaging and Communications in Medicine N Chapter 2 Safety and Regulatory Information 3 CHAPTER2 SAFETY AND REGULATORY INFORMATION General Safety Guidelines e This product was designed and manufactured to ensure maximum safety of operation It shall be operated and maintained in strict compliance with the safety precautions warnings and operating instructions contained herein The product has been designed to meet all the safety requirements applicable to medical equipment However an
40. select the Configuration tab 5 Click the Prepare button in the Scanner cleaning box located in the lower left corner of the Configuration tab 6 When prompted click OK and immediately shutdown the Scannet 7 Attach the cleaning tray to the Scanner Push it in until it locks 8 Remove the transparent protective sheet protective envelope from the cleaning plate Figure 23 Orex Ltd 44 PcCR 1417ACL4 System Users Guide Figure 23 Removing the Protective Sheet 9 Remove the protective paper strips from the cleaning plate to expose the adhesive Figure 24 Figure 24 Removing the Protective Paper Strips 10 Place the cleaning plate on the tray Make sure the cleaning plate is placed in the correct direction as specified on the plate Chapter 6 Cleaning the Rollers 45 Figure 25 Inserting the Cleaning Tray 11 While holding onto the plate push the plate into the Scanner Figure 25 It should go in almost entirely 10 cm segment of the plate should remain visible Then pull the plate out 12 Repeat step 11 three times 13 Remove the cleaning plate from the Scanner Disconnect the cleaning tray pulling out the knob underneath the front tray Figure 26 Figure 26 Disconnecting the Cleaning Tray Orex Ltd Chapter 7 System Specifications 47 CHAPTER 7 SYSTEM SPECIFICATIONS Weight Dimensions W x D x H 40 kg 88 Ibs 733 x 655 x 340 mm 39 x 26 x 14
41. te loading as soon as the cassette is inserted then reloads it after it is scanned and unloaded For Scanner diagnostics only This option is usually not recommended for clinical purposes since additional images are not associated with a patient or an organ e Warming up Override enables you to start scanning operation immediately without waiting for the Erase Lamps to warm up This option is intended for scanner diagnostics mode only Caution Scanning with this option enabled may result in sub optimal images Setting Erasing Options and Auto Scan 1 For optimal erasing use the following Erase factors and Save This procedure should be performed by an OREX technician or upon instructions from OREX For Agfa 8x 10 film 60 Agfa 14 x 17 film 60 Orex Ltd 40 PcCR 1417ACL4 System Users Guide Setting Image Properties 3 Anatomical Calibration Image Configuration 2 About Data Correction Method Data Correction Method Linearization r Raw Image Properties I Jpg Image Properties Image Path CAWINNT Testraw Image Path CASNO31004001 TEST Browse Preview Window leveling Er 500 Reset Counter izelfiles Jpg Compression 30 Static f Dynamic Minimum Size p Best Quality Croping Demo Scan 14 X 17 Plate Resolution Auto Cro 3500 SER Data Empty 3600 r c No 4 C High IT Geometric Crop Max STDEV 5 R
42. yone attempting to operate the system must be fully aware of potential safety hazards e There are no user serviceable parts in this system The product shall be installed maintained and serviced by qualified service personnel according to procedures and preventive maintenance schedules laid down in the product service manual If your product does not operate as expected please contact your Device Service Representative The product in whole or in part shall not be modified in any way without prior written approval from Orex Ltd e The product is intended for use only by personnel trained in the proper use of the system Before using this device the operator must be thoroughly familiar with the operator instructions and safety precautions listed here and throughout the manual The owner shall make certain that only properly trained fully qualified personnel are authorized to operate the equipment An authorized operators list should be maintained Itis important that this manual shall be kept at hand studied carefully and reviewed periodically by the authorized operators The manufacturer or vendor of the equipment makes no representation however that the act of reading this manual renders the reader qualified to operate test or calibrate the system e Unauthorized personnel shall not be allowed access to the system e Ifthe product does not operate properly or if it fails to respond to the controls as described in thi
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