battery must be charged before initial use.
Contents
1. www STANDARDIMAGING com GABEAMCHECKER REF 90500 A BATTERY MUST BE CHARGED BEFORE INITIAL USE STANDARD IMAGING INC 7601 Murphy Drive Middleton WI 53562 2532 TEL 800 261 4446 TEL 608 831 0025 FAX 608 831 2202 P4 Aug 2006 2006 Standard Imaging Inc STANDARD IMAGING 3 DOC 8047 1 07 General Precautions WARNING Electrical shock hazard when connected to 300 V bias sup ply Do not disassemble the QA BeamChecker CAUTION Proper use of this device de pends on careful reading of all instructions and labels CAUTION This device should never be submerged in any liquid scrubbed with an abrasive cleaner or be stored or placed where liquids could be spilled or splashed onto it CAUTION Do not drop mishandle or disassemble this device Refer all servicing to qualified individuals CAUTION Do not irradiate this device past the 20 x 20 cm field label edge CAUTION Always use the QA BeamChecker in the same orientation during Baseline Setup Wire Free or Real Time Operation Modes Improper comparative measure ments and or out of tolerance error messages will occur if used in a different orientation Warnings and Cautions alert users to dangerous conditions that can occur if instructions in the manual are not obeyed Warnings are conditions that can cause injury to the operator while Cautions can cause damage to the device and int2. 1 Under Choose Action select a new en ergy to baseline from the pull down menu All possible energies are displayed with electrons being labeled as MeV and photons as MV 2 Set your accelerator to the desired ener gy dose value and rate Typical dose value is 100 MU with a rate of 400 MU min 3 Irradiate the unit 4 The software status bar will change to reflect the unit is retrieving data and after a brief moment measured values will appear on the representation of the QA BeamCheck er s alignment field Additionally the flatness axial symmetry transverse symmetry along with the current temperature and pressure values will be shown If satisfied with the baseline acquired fill in the remaining fields in the Energy Baseline Setup Parameters box See below for a description of parameters NOTE You will not be permitted to fill in these fields until an energy has been de tected by the software Gantry Angle Default is 0 Field Size x y Default is 20 20 cm SSD Source to Surface Distance Default is 100 cm Dose Configured dose value of the beam Dose Rate Configured dose rate of the beam Setup Acquiring Baselines Continued Baseline Date Date baseline was taken automatically filled in by the software Action Levels represent the points at which a flatness axial symmetry transverse sym metry or constancy out of tolerance will occur during measurement in Real Time Operation
3. C 3 TIME Time when measurement was taken in the format hhmmss D 4 BLANK Intentionally left blank 5 BLANK Intentionally left blank F 6 BLANK Intentionally left blank 7 TEMPERATURE Temperature when measurement was taken in C F 9 10 H 8 PRESSURE Pressure when measurement was taken in mm Hg An unique identifier for the energy as determined by several ionization chambers and a proprietary ENERGYLCEVEL algorithm This is then compared to the set of ENERGYLEVEL values from baselines above Constancy of measured energy calculated from the CONSTANCY center ionization chamber compared to baseline center ionization chamber value AXSYM Axial symmetry of measured energy calculated from ionization chamber readings L 12 TRSYM Transverse symmetry of measured energy calculated from ionization chamber readings M 13 FLATNESS Flatness of measured energy calculated from ionization chamber readings N 14 CENTER_RAW Data collected from the center ionization chamber during the measurement Data collected from the left photon side or right O 15 LTP_RTE_RAW electron side ionization chamber during the measurement P 16 TOP_RAW Data collected from the top ionization chamber during the measurement Data collected from the right photon side or Q 17 RTP_LTE_RAW left electron side ionization chamber during the measurement R 18 BOTTOM_RAW Data collected from the bottom ionization chamber during the measurement S 19 NUM
4. a serial device through a USB port If you do not have an available USB connection try a PCI serial port add on card Consult your computer manufacturer for more information Possible Cause 2 All available serial ports are full on my PC See Cause 1 for possible solutions Scenario 4 When taking measurements in Wire Free mode error code XXX appears on the QA BeamChecker front panel status display Possible Cause 1 A baseline has not been acquired for the detected energy Make 17 Troubleshooting Continued sure a baseline measurement has on the QA BeamChecker front panel been acquired for the energy you are status display attempting to measure See page 6 for instructions on how to create Possible Cause 1 baselines An internal hardware failure has occurred Turn off the QA Possible Cause 2 BeamChecker and turn it back on to The QA BeamChecker is not flipped see if this error clears If not press to the proper side or the E switch the pinhole reset switch on the side of has not been pressed to indicate the unit Ifthe error is still not cleared a flip Ensure that the proper side contact Standard Imaging for service faces up on the QA BeamChecker Have the error code s ready when when placed on the treatment couch explaining the problem to one of our The text on the field label should service technicians match the desired energy Also the blue light on the front panel should Below is a list of internal hardwa
5. SAMPLES Number of samples collected by the microprocessor during the measurement 21 G J K 11 Features and Specifications Dimensions Length QA BeamChecker Width Height Length Cradle Width Height Weight QA BeamChecker Cradle 8 Vented lonization Chambers Fully Guarded Chamber Volume Parallel Plate Separation Collection Electrode Inherent Buildup Photon Side Electron Side Light Field Alignment Radiation Measured Photons Electrons Time and Date Memory Capacity 16 00 in 40 64 cm 12 15 in 30 86 cm 2 42 in 6 15 cm 11 50 in 29 21 cm 4 00 in 10 16 cm 2 82 in 7 16 cm 14 Ibs 6 4 kg 4 Ibs 1 8 kg One center detector Four quadrant detectors 8 6 cm from center Three energy identification chambers 0 6 cm 4 0 mm 1 39 cm diameter 3 5 cm water equivalent material 1 5 cm water equivalent material 20 cm x 20 cm alignment grid Co 60 to 25 MV 6 MeV to 25 MeV Real time clock on board provides time and date stamp to all data Stores up to 256 data points before transfer required Temperature and pressure measurement Precision sensor on board Pressure Resolution Temperature Resolution Operating Parameters Temperature Relative Humidity Pressure Storage Parameters Temperature Relative Humidity Pressure Power Requirements Battery Battery Recharge Time Charger Input Product Standards Authorized represe
6. applications See page 20 for a detailed explanation of export file format NOTE It is not required to download acquired data from the QA BeamChecker after every Wire Free session The QA BeamChecker internal memory will hold up to 256 measurements before the data will need to be transferred to the software database Interfacing with Optional Gantry Mount E Using an optional accessory P N 70500 the QA BeamChecker can interface with the gantry mount on most linear accelerators Contact Standard Imaging for information about your particular accelerator and if we can provide an accompanying custom gantry mount for your QA BeamChecker Standard Imaging Inc 7601 Murphy Drive Middleton WI 53562 2532 USA Tel 608 831 0025 Toll Free 800 261 4446 Fax 608 831 2202 http www standardimaging com 16 Troubleshooting Refer to the following scenarios if you are experiencing problems with your QA BeamChecker Before contacting Standard Imaging read this section to potentially re solve an issue without sending your device in for service Scenario 1 The QA BeamChecker will not respond to commands on the front panel or through Real Time Operation Mode Possible Cause 1 The QA BeamChecker is not powered on Press the power on off button on the front panel of the device Possible Cause 2 The internal battery is low or dead Either place the device onto the cradle or attach the AC adapter directly to the Q
7. direction on the couch that was used when baseline measurements took place 3 Attach a serial cable running straight to the PC or through the cradle passthru port Confirm that the status bar indicates the unit is ready and the QA BeamChecker will automatically power on 4 Setyour linear accelerator for the desired energy and irradiate the unit Similar to Wire Free mode the detected energy value will appear In addition the baseline parameters will appear to the right of the detected energy for reference Calculated values along with the current temperature and pressure will appear on the representation of the QA BeamChecker measurement field Within the Calculated 13 Real Time Operation Mode Continued Values box column 1 represents values calculated from the present measurement while column 2 represents of the percent difference from the acquired baseline If all measurements fall within accepted values the status indicators in the final column will all show green Ifa measurement falls outside of the accepted benchmark percentages the status indicators show the action level recorded Yellow represents action level 1 and red indicates action level 2 Click yes to save to database or no to proceed to the next measurement without saving Difffrombaseline Status Figure 6 Real Time Operation status boxes WTG will display on the QA BeamChecker front panel after a measurement is taken until the user de
8. up the expected parameters for that beam energy and compares them with the present readings Daily measure ments that fall within the physicist selected acceptance parameters result in a green light displaying on the front panel of the device for about 10 seconds followed by the unit re arming itself for the next measurement All data is stored on the QA BeamChecker for later downloading Measurements outside acceptance parameters cause a red light to flash an audio alert to sound and require the Reset button to be pushed on the front of the unit to go on Additional information is also presented on the large alphanumeric display on the front of the unit About one month s worth of data can be stored on the QA BeamChecker before downloading is required although this may be done at any time The Power Data Cradle provides the link to the computer s RS 232 port and the included software makes downloading and trending the data quick and easy The simple three tab interface guides the Physicist through all the steps needed to download data and indicate the energy and time window of interest Values for flatness symmetry and constancy are graphically dis played for analysis and review Data can be viewed in graph or table form and can easily be printed for archiving if desired Installing the Communications Software The QA BeamChecker Communications Software is designed to operate under Win dows Me NT 4 0 2000 an
9. 95 15 P Torr Meor M where M the corrected reading of the Center lon Chamber M the raw or uncorrected reading of the Center lon Chamber T temperature in Celsius measured by on board temperature sensor P pressure in Torr measured by on board pressure sensor Constancy Constancy is determined by using the following algorithm on the temperature and pressure corrected values from the center ion chamber over time Constancy Center at time t Center at time t Center at time t where time t time at which new constancy measurement is being taken time t time at which initial benchmark value was time Values are shown in percent Flatness Flatness is determined by using the following algorithm on the raw data values collected from the indicated ion chambers Flatness Max Min Max Min where Max the maximum value of Center Top Bottom Right and Left Min the minimum value of Center Top Bottom Right and Left Values are shown in percent Axial Symmetry Axial symmetry is determined by using the following algorithm on the raw data values collected from the indicated ion chambers Axial Symmetry Bottom Top Bottom Values are shown in percent Transverse Symmetry Transverse symmetry is determined by using the following algorithm on the raw data values collected from the indicated ion chambers Transverse Symmetry Right
10. A BeamChecker Possible Cause 3 The interface has frozen up Press the pinhole reset switch on the side of the unit This will only reset the unit the internal memory is not erased 523 65 2 reset Scenario 2 The QA BeamChecker is shown as Not Connected by the communications software in Real Time Operation or Baseline Setup Modes Possible Cause 1 The QA BeamChecker is not properly resting on the cradle or cable is not attached to the PC Make sure the unit has been firmly placed on the cradle and confirm all cables between the cradle and PC or the QA BeamChecker and PC are properly inserted Possible Cause 2 The COM port is not properly configured in Microsoft Windows or the system BIOS Refer to your operating system computer user manual or contact the manufacturer of your computer for more information Possible Cause 3 The QA BeamChecker is not turned on The communications software will automatically detect any connected QA BeamChecker and power it on If all data connections are present make sure that the AC power is supplied to the cradle in the event of a low battery Scenario 3 There is no logical place to connect the QA BeamChecker or cradle to my PC Possible Cause 1 Your computer does not have a serial port Some laptops or small form factor computers do not have a serial port built in Several 3rd party companies manufacture adapters which allow you to connect
11. A BeamChecker Communications Software QA BeamChecker Power Data Cradle Optional Serial to USB Adapter Description of Symbols The following symbols are found on the QA BeamChecker Dangerous Voltage Power On Off Switch Present Inside Enclosure Attention Consult Signal Input Battery Charge Level Accompanying Documents e Reset Energy Selection Return to Ready Switch Reset Switch Sound Speaker Power On 19 Explanation of Saved File Export When exporting data from the QA BeamChecker Communications Software the default file type is a csv file comma separated value that can be directly opened with any spreadsheet application The resulting file will have data labels as described below Baseline data and Measurement data are separated by several rows and have different column headers as listed Baseline Data Data Label A 1 BASELINE ID A unique identifier for the baseline energy that incorporates date and time of measurement B 2 FIELD SIZE Collimator size as entered in the Baseline Setup screen C 3 Source to Surface Distance as entered in the Baseline Setup screen D 4 DOSERATE Linear accelerator dose rate as entered in the Baseline Setup screen E 5 DOSE Linear accelerator dose as entered in the Baseline Setup screen F 6 GANTRYANGLE Gantry angle as entered in the Baseline Setup screen G 7 TEMPERATURE e when baseline measurement was taken H 8 PRESSURE iie w
12. Left Left Values are shown in percent Device Description QA BeamChecker Electron Configuration GABEAMCHECKER Electron uojoud A 15599 898 snes rmos Power On Button Turns the unit on or off Energy Selection Pressing the E button toggles the unit to elec tron mode or photon mode The blue LED will indicate the current ly selected energy Status LED Displays green when an en ergy is successfully detected displays red when an error oc curs or energy is detected out side of benchmarks Ready Reset Button If the Status Light shows red an error is indicated This button must be pressed to resume unit operation ac knowledging the error Status Display Displays detected en ergy error codes and more information See page 8 Power Indicators Green LED indicates power is on Amber LED indicates the battery is currently charging A STANDARDIMAGING 3 Status 02913 Reafly Reset Photon QA BeamChecker Photon Configuration Power Data Cradle Description External Power Adapter rol Serial Connection to Serial Connection to other device or QA BeamChecker Male QA BeamChecker Connection PC Female NOTE Always place the QA BeamChecker on the Power Data Cradle when not in use to ensure full battery charge Entering Institution A
13. aging Inc For a period provided in the table below from the date of original delivery to the pur chaser or a distributor this Standard Imaging Inc product provided in the table is warranted against functional defects in design materials and workmanship provided it is properly operated under conditions of normal use and that repairs and replace ments are made in accordance herewith The foregoing warranty shall not apply if the product has been altered disassembled or repaired other than by Standard Imag ing Inc or if the product has been subject to abuse misuse negligence or accident Product Warranty Period Standard Imaging lonization Chambers 2 years Standard Imaging Well Chambers 2 years Standard Imaging Electrometers 2 years Standard Imaging BeamChecker Products 2 years Standard Imaging Software Products 1 year All Other Standard Imaging Products 1 year Standard Imaging Custom Products 90 days Consumables 90 days Serviced Product 90 days Resale Products As defined by the Original Equipment Manufacturer 0 90 days 100 of ADCL Calibration Costs ADCL Product Calibration 91 182 days 75 of ADCL Calibration Costs Standard Imaging uses the UW ADCL for 183 365 days 50 of ADCL Calibration Costs recalibrations required under warranty 366 639 days 25 of ADCL Calibration Costs days from date of shipment to customer Standard Imaging s sole and exclu
14. bar will appear showing that a transfer is taking place When the transfer is complete the data can be viewed by energy In the View Energy box use the pull down menu to select an acquired energy from the list The energy and type will appear along with the energy setup parameters that were specified at the time of baseline creation Select the Graph Range Begin Date and End Date to view the data over the desired time period on the graph representing time versus percent error See Figure 5 for an example of data shown in Graph View To view the data in tabular format click the Table View button to the left of the graph See Figure 6 for an example of data shown in Table View 15 Data View Interface Continued E Graph Wew ili Figure 6 Data View showing an acquired 6 MV energy Table View The colors shown on the table indicate how close the acquired values are to the baseline Just like the status indicators found in the Real Time Operation mode the colors of the cells indicate whether the energy is within the accepted range of the baseline green out side of the range by the amount specified by action level 1 yellow or outside the range specified by action level 2 red The graph and a summary of the table view can be printed to the default printer by press ing the Print button By pressing the Export button the table data is exported to a csv file for opening in most spreadsheet
15. ccelerator Information When loading the QA BeamChecker Com munications Software for the first time a dialog box will appear as shown to the right This information will help associate an in stallation with a given linear accelerator and it s accompanying QA BeamChecker It will also appear on each of the three program tab screens Data View Real Time Opera tion and Baseline Setup To edit this information click in the institu tion black bar on any tab screen and the dialog box to the right will reappear Make any desired changes and click Ok to accept or Cancel to discard This information will also appear on the printouts created by the QA BeamChecker Communications Software When connecting to the QA BeamChecker in Real Time Operation or Data View Modes the serial number entered must match that of the connected unit for a data transfer to take place If they do not match an error will occur Verify your serial number was entered correctly If a QA BeamChecker is attached to your PC when the software is initially loaded the serial number will auto matically be downloaded from the unit and placed in this field Figure 2 Institution Accelerator Information Dialog Box The QA BeamChecker is designed to be a simple to use device yet provide the user with a powerful tool to ensure the quality of their linear accelerator beam As such configuring and using the device is easy and requires on
16. cides to save or discard the acquired data NOTE To ensure the QA BeamChecker is always charged and ready to use return the unit to its cradle after measurements are completed 14 Data View Interface Stews Ready Download Data View Energy X E Selected Lnergy Setup Parameters Gantry Angle 0 Fiaid Size xy 2020 93 SSD Graph Range Legin Date End Date A Figure 5 Data View showing an acquired 6 MV energy Graph View When data has been acquired by the QA BeamChecker in either Wire Free or Real Time Operation modes selecting the Data View tab allows you to view that data in detail If data has been acquired in the Real Time Operation mode that is used while the QA BeamChecker is connected to the PC through a serial connection then this data is already part of the database To down load data from the QA BeamChecker unit after a Wire Free data acquisition follow these steps 1 Place the QA BeamChecker on the Pow er Data Cradle while connected to the PC 2 Enter the Data View screen by clicking on the appropriate tab at the top of the screen 3 The status indicator will show green and that the unit is ready for data transfer The download data button will change to show the QA BeamChecker in full color if there is new data to retrieve Press it to synchronize the data stored in the QA BeamChecker s internal memory with the database stored on the PC A status
17. d XP operating platforms Before installing the software it is recommended to close all other active programs Insert the program CD ROM into your computer s CD ROM drive If autorun is enabled the Installshield Wizard will be gin automatically If autorun is disabled browse to the program disc in Explorer and System Requirements Operating System Processor Memory Hard Drive Screen Resolution CD ROM Drive Other double click setup exe to start the installation program Read through the software license agreement and click next to proceed with the installation A QA BeamChecker Com munications Software program icon is placed within the Start Menu under the Standard Imaging program group If prompted restart your computer to begin using the QA BeamChecker Communica tions Software Microsoft Windows Me NT 4 0 SP 6 2000 XP Intel or AMD 350 Mhz or greater 64 MB or greater 30 MB or greater 1024 x 768 or greater 2X speed or greater 1 available serial port Windows is a registered trademark of Microsoft Corporation Definition of QA BeamChecker Algorithms G Photon Electron Figure 1 Locations identified are ionization chambers embedded in QA BeamChecker Temperature and Pressure Correction For constancy measurements and compari son with values measured on subsequent times days a temperature and pressure correction is made to the reading of the Center chamber 233 15 TCO 760 2
18. de The Ready Reset button must be pressed to continue Red Double repeated flash A Level 2 error has occurred check the display for status code The Ready Reset button must be pressed to continue 12 Real Time Operation Mode Real Time Operation Detected Energy Detected Energy Baseline Setup Parameters 65 Garry Angie Amal Symmetry ot Feld Sure xy Tramewerse Symmetry 03 Ld Action Levei 1 DIT from besine Status Calculated Values Axial Symmeiy MT E Figure 5 Real Time Operation Mode The QA BeamChecker can also be used when connected to the PC for an expanded interface using the communications soft ware 1 Choose whether you will be measuring photons or electrons If using electrons en sure a 20 x 20 cm electron cone is attached to the accelerator 2 Place the QA BeamChecker on the treat ment couch at 100 cm SSD with a field size of 20 x 20 cm ensuring the alignment lasers match the field size NOTE Verify the QA BeamChecker is flipped to the proper side The side facing up should be labeled as photon or elec tron as desired Ensure that the blue LED on the front panel matches the desired energy this can be switched by pressing the E button on the front panel The 3 character display should also show in the proper orientation When operating in the Real Time Opera tion Mode ensure the QA BeamChecker is in the same orientation rotated in the same
19. e paid or billed to the customer and the customer may request a specific shipper Items found to be out of warranty are subject to a minimum service fee of 1 hour labor excluding recalibrations for diagnostic efforts and require a purchase order PO before service is performed With concurrence from customer the product may be replaced if it is unserviceable or if the required service is cost prohibitive Products incurring service charges may be held for payment Standard Imaging does not provide loaner products See the Standard Imaging Warranty and Customer Responsibility for additional information Serialization Information Standard Imaging products that are serial ized contain coded logic in the serial number which indicates the product day and year of manufacture and a sequential unit number for identification AYY DDD X A Unique product ID YY Last two digits of the year e g 1999 99 2000 00 DDD Day of the year 1 lt DDD lt 365 X Unique unit ID Number 1 lt X lt 9 Customer Responsibility This product and its components will perform properly and reliably only when operated and maintained in accordance with the instruc tions contained in this manual and accompa nying labels A defective device should not be used Parts which may be broken or missing or are clearly worn distorted or contaminated should be replaced immediately with genuine replacement parts manufactured by or made available from Sta
20. ernal electronics CAUTION To help ensure measurement reproducibility over time and minimize possible backscatter effects from the treatment couch especially for low energy pho tons position the device in the same location on the treatment couch for every measurement Table of Contents PAGE 2 General Precautions Table of Contents Overview Installing the Communications Software 5 Definition of QA BeamChecker Algorithms 6 Device Description 7 Entering Institution Accelerator Information 8 Setup Acquiring Baselines 11 Wire Free Operation 12 Status Interface Description 13 Real Time Operation Mode 15 Data View Interface 16 Interfacing with Optional Gantry Mount 17 Troubleshooting 18 Maintenance 19 Parts and Accessories 19 Description of Symbols AUU Overview Wa STANDARDIMAGING 4 7601 MURPHY DRIVE MIDDLETON WI 53562 2532 USA WWW STANDARDIMAGING COM 20 Explanation of Saved File Export 22 Features and Specifications 23 Service Policy 23 Customer Responsibility 24 Warranty The QA BeamChecker is a reliable and uncomplicated device for daily quality as surance testing of linear accelerator output It assists medical physicists in verifying that the constancy symmetry and flatness of an accelerator beam are not changing over time The QA BeamChecker consists of the stand alone detector unit a Power Data Cradle and PC based software for baselining the current accelerator parameter
21. hen baseline measurement was taken in A unique identifier for the baseline energy as 9 ENERGYLEVEL determined by several ionization chambers and a proprietary algorithm J 10 BLANK Intentionally left blank K 11 AXSYM Axial symmetry of baseline energy calculated from the ionization chamber readings L 12 TRSYM Transverse symmetry of baseline energy calculated from the ionization chamber readings M 13 FLATNESS Flatness of baseline energy calculated from the ionization chamber readings N 14 CENTER RAW Data collected from the center ionization chamber during the baseline measurement Data collected from the left photon side or right O 15 LTP RTE RAW electron side ionization chamber during the baseline measurement P 16 TOP RAW Data collected from the top ionization chamber during the baseline measurement Data collected from the right photon side or left Q 17 RTP LTE RAW electron side ionization chamber during the baseline measurement R 18 BOTTOM RAW Data collected from the bottom ionization chamber during the baseline measurement S 19 NUM SAMPLES Number of samples collected by the microprocessor during the baseline measurement 20 Explanation of Saved File Export Continued Measurement Data Column Data Label A 1 BASELINE ID Identifies which baseline energy values were chosen for comparison to the measurement data B 2 DATE Date when measurement was taken in the format mmddyyyy
22. king place This code will dis 123 itt LO LLL play if an unknown A Ws energy is detected Avi sb ise No benchmark for When an energy is detected the front panel will display its value Photon is represented by 2 numbers followed by an X and electron followed by an E t T ut If operating the unit in Real Time Operation Mode WTG will display after a measure ment until the user decides to save or dis card the acquired data cate detected energy When an out of tolerance occurs one or more of the following 4 codes will display CIE M ap Qum L NA Transverse Symme try out of tol E up Axial Symmetry out of tolerance quu L Flatness out of J J tolerance r DL T Constancy out of tolerance Status LED 8 Ready Reset Button Information The status LED is designed to be a quick indicator of the QA BeamChecker s current state Below is a list of possible status displays and what they indi E Green Solid A successful measurement has been taken and unit is ready for l the next energy reading A single loud tone will occur no action is required Red Single repeated flash A Level 1 error has occurred check the display for status co
23. l glow red and blink slowly for an action level 1 error and more quickly for an action level 2 error with a cor responding beeping sound See page 5 for a description of action levels Additionally the front panel will display ASM axial symmetry out of tolerance TSM transverse symmetry out of tolerance FLT flatness out of tolerance CST constancy out of tolerance This error is recorded in the QA BeamCheck er s internal memory to be displayed in the database in a future upload In order to proceed to the next measure ment the error must be acknowledged by entering the treatment room and pressing the ready reset button on the front panel of the QA BeamChecker NOTE To ensure the QA BeamChecker is always charged and ready to use return the unit to its cradle after measurements are completed 11 Status Interface Description Description of QA BeamChecker Status Display Codes Our DI Coe yuy 7 st When selecting mode of operation with the E button on the front panel the currently selected mode will display briefly Showing PHO for photon and ELE for electron the display will flip orientation if changed When the QA BeamChecker is ready for a measurement RdY will display on the unit While irradiating the unit spinning stars will display indicating data collection is ta
24. ly a few operations to be ready to use on a daily basis First install the communications software as shown on page 4 Upon launching the program for the first time a form will appear asking for your institution and linear accelera tor information See page 7 In order to begin using the QA BeamChecker for each energy to be tested a Baseline Energy must be created A baseline is a benchmark that is created to compare your beam to when using Wire Free or Real Time Operation See pages 11 and 13 respectively When setting baselines the unit must be attached via serial port to the computer with the communications software installed See Figure 3 1 Choose whether you will be measuring photons or electrons If using electrons en sure a 20 x 20 cm electron cone is attached to the accelerator 2 Place the QA BeamChecker on the treat ment couch at 100 cm SSD with a field size of 20 x 20 cm Align the unit to the center of the field using the QA BeamChecker fiducials and the room alignment lasers NOTE Verify the QA BeamChecker is flipped to the proper side up and that the blue LED on the front panel matches your selection Press the E button to change this setting When taking baseline measurements en sure the QA BeamChecker is in the same orientation rotated in the same direction on the couch that will be used for future Wire Free and Real Time Operations Setup Acquiring Baselines QA BeamChecker Trea
25. ments took place 3 Adjust the bunker camera so that the front panel display of the QA BeamChecker is clearly visible on the patient monitor See page 6 for a detailed explanation of the front panel layout 4 Setthe linear accelerator for the energy you wish to test and make sure the status light on the front panel shows green and reads RdY 5 Irradiate the unit When radiation is detected by the QA BeamChecker the front panel will display with animating stars 6 Check the patient monitor to see if the energy was successfully detected If the energy was measured within an acceptable percentage set by the Action Levels chosen during Baseline creation the status light will glow green with accompanying single beep Furthermore the detected energy will display on the unit for approximately 10 seconds For example O6E for a 6 MeV electron detection or 12X for a 12 MV photon detec tion The measurement is saved in the QA BeamChecker s internal memory for future upload to the software database 7 The QA BeamChecker will automati cally re arm itself and is ready for the next detection Simply wait until the status light glows green and RdY displays No other preparation is necessary Repeat steps 1 6 for as many energies as desired ensuring the unit is flipped to the photon or electron side as desired In the event that a measured energy falls out of range of a preset baseline the status light on the front panel wil
26. ndard Imaging Inc CAUTION Federal law in the U S A and Canadian law restrict the sale distribution or use of this product to by or on the order of a licensed medical practitioner The use of this product should be restricted to the supervision of a qualified medical physicist Measurement of high activity radioactive sources is potentially hazardous and should be performed by qualified personnel Should repair or replacement of this product become necessary after the warranty pe riod the customer should seek advice from Standard Imaging Inc prior to such repair or replacement If this product is in need of repair it should not be used until all repairs have been made and the product is function ing properly and ready for use After repair the product may need to be calibrated The owner of this product has sole responsibility for any malfunction resulting from abuse improper use or maintenance or repair by anyone other than Standard Imaging Inc The information in this manual is subject to change without notice No part of this manual may be copied or reproduced in any form or by any means without prior written consent of Standard Imaging Inc 23 Warranty Standard Imaging Inc sells this product under the warranty herein set forth The war ranty is extended only to the buyer purchasing the product directly from Standard Imaging Inc or as a new product from an authorized dealer or distributor of Standard Im
27. ntative for the EU is AMA Ltd St Felix House Flitcham King s Lynn Norfolk United Kingdom PE31 6BU Externally Certified 0 1 mm Hg 0 1 C 10 to 40 C 20 to 80 non condensing 650 to 770 mmHg 15 to 50 C 10 to 95 non condensing 600 to 800 mmHg 1 3 Ah SLA 4 hours of continuous use Approximately 8 hours from full discharge 90 240 VAC 50 60 Hz EN IEC 60601 1 approved power supply Globtek Inc model GTM21089 1509 T3 IEC 60601 1 IEC 60601 1 2 C 0413 Competent Authority for the EU is the Medical Products Agency Sweden Notified Body for the EU is Semko Sweden Specifications are subject to change without notice 22 Service Policy If service including recalibration is required please contact Standard Imaging s Customer Service department by phone or email prior to shipping the product Standard Imaging s Customer Service and Technical Service staff will attempt to address the product is sue via phone or email If unable to address the issue a return material authorization RMA number will be issued With the RMA number the product can be returned to Standard Imaging It is the responsibility of the customer to properly package insure and ship the product with the RMA number clearly identified on the outside of the pack age The customer must immediately file a claim with their carrier for any shipping damage or lost shipments Return shipping and insurance is to be pr
28. or Wire Free Mode If a measured energy differs by or more than the percentage entered in Action Level 1 box a level 1 out of tolerance will occur Likewise if a measured energy differs at or above the percentage entered in Action Level 2 box a level 2 out of tolerance will occur with Action Level 2 occurring at a greater percent difference Default setting is Action Level 1 at 3 and Action Level 2 at 5 Baseline Measured By The name or ini tials of the baseline creator Once all informational fields have been filled in select Save to store these parameters The unit will then reset ready for the next energy to baseline Repeat these steps for as many energies as desired NOTE Verify the QA BeamChecker is flipped to the proper side The side facing Wire Free Operation up should be labeled as photon or elec tron as desired Ensure that the blue LED on the front panel matches the desired energy this can be switched by pressing the E button on the front panel The 3 character display should also show in the proper orientation NOTE Due to the unique nature of each linear accelerator s baselines the QA BeamChecker should only be used to monitor the performance of a single ac celerator Modifying an Existing Baseline On the Baseline Setup tab select the de sired energy from the Edit Energy Baseline pull down menu The previously recorded information will appear in the fields below When the stat
29. re match the desired type either photon value codes and what problem they or electron and the status display will indicate be orientated in the correct direction E01 Bias Possible Cause 3 ee ie The on BeamChecker nor E04 Barometeritemp ratu e Module rotated in the same direction E05 AID on the couch that it was placed E06 Real time clock when baseline measurements E07 Low Battery were taken Although the field E08 Internal Memory Full shape on the surface of the QA BeamChecker is symmetrical the unit must be consistently used in the same orientation from baseline measurement to Wire Free or Real Time Operation Modes Scenario 5 Error code E 01 15 shows Maintenance Exterior cleaning of the device can be done with a soft brush and a cloth Gently brush all surfaces to remove dirt and dust Be especially careful that this is an external cleaning only and do not permit any liquid to seep into the QA BeamChecker in any manner during cleaning There are no user serviceable parts on the QA BeamChecker The warranty will become void if the QA BeamChecker is disassembled If assistance is desired in the proper disposal of this product including accessories and components after its useful life please return to Standard Imaging 18 Parts and Accessories REF 90500 80471 70500 70501 70502 70503 Description QA BeamChecker User s Manual Linear Accelerator Gantry Mount varies by accelerator model Q
30. s and view ing data in real time The physicist initially baselines each accelerator energy using the included software This stores a picture ofthe current beam constancy flatness and symmetry and generates a unique identifier for each energy This energy identifier is the key for later standalone operation of the QA BeamChecker After initially creating baselines by con necting the QA BeamChecker and using the accompanying software no cables are required and no software is needed to run the unit In daily use the QA BeamChecker is simply placed back on the treatment couch at the baselined setup parameters typically a field size of 20 cm x 20 cm and a SSD of 100 cm Accelerator energies may be selected in any order and temperature and pressure correc tions are automatically made A unique flip feature is used to measure both photons and electrons Initially the photon side may be faced toward the beam which provides 3 5 cm of water equivalent buildup To measure electrons the unit is simply flipped over and one button on the front of the unit is pushed to 3 Overview Continued indicate the change and to invert the display Now 1 5 cm of water equivalent buildup is present between the beam and the detectors No other buildup or trips into the treatment vault are typically required Following a measurement the QA BeamChecker identifies the energy of the beam that was just used It then applies this key to look
31. sive obligation and the purchaser s sole and exclusive remedy under the above warranties are at Standard Imaging s option limited to repairing replacing free of charge or revising labeling and manual content on a product 1 which con tains a defect covered by the above warranties 2 which are reported to Standard Imaging Inc not later than seven 7 days after the expiration date of the warranty period in the table 3 which are returned to Standard Imaging Inc promptly after discovery of the defect and 4 which are found to be defective upon examination by Standard Imaging Inc Transportation related charges including but not limited to shipping customs tariffs taxes and brokerage fees to Standard Imaging are the buyer s responsibility This warranty extends to every part of the product except consumables fuses batteries or glass breakage Standard Imaging Inc shall not be otherwise liable for any damages including but not limited to incidental damages consequential damages or special damages Repaired or replaced products are warranted for the balance of the original warranty period or at least 90 days This warranty is in lieu of all other warranties express or implied whether statutory or otherwise including any implied warranty of fitness for a particular purpose In no event shall Standard Im aging Inc be liable for any incidental or consequential damages resulting from the use misuse or abuse of the prod
32. tment Couch RS 232 Cable Power Data Cradle Bunker Computer Control Room Figure 3 The bold line shows a typical connection between the QA BeamChecker and a computer using two RS 232 cables 3 If you have not already done so connect the QA BeamChecker to the PC as shown in Figure 3 Note that the cradle can be by passed altogether by using the connections on the QA BeamChecker if desired but its use is recommended for convenience during operation or while charging the battery Baseline Setup To create a baseline go to the Baseline Setup tab in the communications software The status light in the upper left corner of the display will show whether the QA BeamChecker is properly attached and Status Ready ready for measurement If the unit is found the status light will display green and read Ready If not the light will display red and 8 Setup Acquiring Baselines Continued Choose Action New Energy to Baseline oy i Edit Energy Baseline o 2 Create ot Edit Baseline Energy Baseline Setup Parameters Gantry Angle NEON Done Pied Sie cyt NEA Donne ENKECI SSD 900 1 GOTIESE 2 IL PM e Figure 4 Baseline Setup Interface read Not Connected Check all connections and try again See Troubleshooting section for more information The QA BeamChecker will automatically turn on when the communi cation software makes a connection
33. uct or caused by any defect failure or malfunction of the product whether a claim of such damages is based upon the warranty contract negligence or otherwise This warranty represents the current standard warranty of Standard Imaging Inc Please refer to the labeling or instruction manual of your Standard Imaging Inc product or the Standard Imaging Inc web page for any warranty conditions unique to the product 24
34. us reads Ready irradiate the unit again and re enter the Energy Baseline Setup Parameters z When modifying the baseline the measure ment must be retaken to edit the parameter information This is to avoid altering the pre sentation of data previously acquired under the current baseline measurement Unique to the QA BeamChecker is the ability to quickly check beam consistency without the required use of the wires or software Once you have acquired the desired baseline energies as explained on pages 8 10 the unit is ready for measurement versus these benchmarks 1 Choose whether you will be measuring photons or electrons If using electrons en sure a 20 x 20 cm electron cone is attached to the accelerator 2 Place the QA BeamChecker on the treat ment couch at 100 cm SSD with a field size of 20 x 20 cm ensuring the alignment lasers match the field size NOTE Verify the QA BeamChecker is flipped to the proper side The side facing 10 Wire Free Operation Continued up should be labeled as photon or elec tron as desired Ensure that the blue LED on the front panel matches the desired energy this can be switched by pressing the E button on the front panel The 3 character display should also show in the proper orientation When operating in the Wire Free Mode ensure the QA BeamChecker is in the same orientation rotated in the same di rection on the couch that was used when baseline measure
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