chs appendix preview通過成像水容器和A1SL離子室測量射束分布_第1頁
chs appendix preview通過成像水容器和A1SL離子室測量射束分布_第2頁
chs appendix preview通過成像水容器和A1SL離子室測量射束分布_第3頁
chs appendix preview通過成像水容器和A1SL離子室測量射束分布_第4頁
chs appendix preview通過成像水容器和A1SL離子室測量射束分布_第5頁
已閱讀5頁,還剩20頁未讀, 繼續(xù)免費(fèi)閱讀

付費(fèi)下載

下載本文檔

版權(quán)說明:本文檔由用戶提供并上傳,收益歸屬內(nèi)容提供方,若內(nèi)容存在侵權(quán),請進(jìn)行舉報(bào)或認(rèn)領(lǐng)

文檔簡介

tIDSourceTarget1dMeasuringBeamProfileswiththeStandardImagingA1SL&1d(CM)2d(0%)Thisappendixprovidesstep-by-stepinstructionsformeasuringbeamprofilesusingtheequipmentfromtheBeamMeasurementandQApackageandtheStandardQA本附錄將逐步說明如何使用射束測量和QAQA包中的3d(0%)Thesepackagesareavailableforpurchase。4dSee<20/>foralistofitemsincludedinthese。5d6dAccurayprovidesspecificinstructionsandsupportforStandardImagingwater7d(0%)IfyouarenotusingtheStandardImagingequipmentandchamber,theinstructionsinthissectionmaynotbeappropriate.8d(0%)RefertotheCommissioningchapterforthegeneralworkflows,andcontactthewatermanufacturerforspecificinstructionsappropriateforyourwater.1dInitial2d3d(0%)TheinitialsetupinstructionsfromtheCommissioningchapterarerepeatedhere,withadditionalnotesspecifictotheStandardImaging4d(0%)Thelongitudinalorientationwillbeusedtocollectthesymmetricandasymmetriclongitudinalprofiles,and5dSetthewateronthecouchinthelongitudinalorientationvirtual6d7The<42>DosimetryysisGuide</42>containsdinstructionstosetupthe inthelongitudinalorientation,positiontheA1SLmeasurementchamberandA17referencechamber,connectthecables,andfill withA17參考室、連接電纜及用水灌滿水容器的詳細(xì)說8dTheseinstructionsarenotrepeated9d(0%)Observeallcautionandwarningstatementsinthe<43>DosimetryysisGuide</43>.dd(0%)Foranewwater,firstverifythatthehorizontalandverticalbeamsofthescanarmareperpendiculartoeachother.d(0%)Thescanarmhasadjustmentscrewsonthebackifd(0%)<66>Slightly</66>loosenthescrews(ifyouloosenthemtoomuch,theapparatuswillfalloff),adjusttheanglebetweenthebeams,andtightenthescrewsdAligntheyawrotationofthewiththegreenoverheadlasers(itmaybeeasiertodothiswithanempty).dFillthewithwatertoadepthofabout23or24dcethemeasurementchamberinthescanarmdcethereferencechamberintheappropriatepositionfordWhileyouarestillinthetreatmentroom,usethescanarmcontrollertosendthechamberaroundtheentireperimeterofthedEnsured(CM)ThelimitswitchespreventthechamberfromcollidingwiththewallsorcompressingtheionchambercableagainstthedThesetupdoesnotrequireyourinterferencetountangled(91%)Themeasurementchambercabledoesnotinterceptthebeampathtothemeasurementchamber.dThereferencechamberdoesnotinterferewiththebeam'spathtothemeasurementchamber,andthemeasurementchamberdoesnotinterferewiththebeam'spathtothereferenced:d(CM)Ifthemeasurementchambercableinterceptsthebeampathtothechamber,itwillcauseanomaliesinthesignal.dd(0%)TomaintaintheA1SLcabletensionandpreventthecablefromdoublingoverthechamberatshallowdepths,threadalargenutthroughthechambercable,andtapethenuttothecablesothatthenuthangsoutsidetheasaA1SL電纜的張力及防止電纜在測量室在淺處對折,使d(0%)EnsurethattheA1SLchamberhasenoughslacktodescendtothebottomofthe.d(0%)IftheA1SLchamberdoesnothaveenoughslackatallpositionsin,thiscanresultinthechambercablepullingoutoftheholder,causingdamagetothechamberand/orA1SL室在水容器的所有位置都不夠松弛,這可能會(huì)導(dǎo)致測d(0%)Withtheoutoftheboreatvirtualisocenteraligntherotationofthesothatthechambertravelsparalleltotheoverheadsagittallaser.dAlignmentddAnalignmentcapfitsovertheA1SL對齊樁帽安裝在A1SLd(0%)Thiscanbeusedtoidentifytheapproximatecenterofthecollectionvolume.d:d(0%)Besuretoremovethecapbeforetakingmeasurements,ortheresultsmaybeaffected.d:Toavoiddamagetothewaterorgantrycovers,checkdsufficientclearanceasthecouchmovesintothedMovethechambertotheapproximatecenteroftheinY.Then,adjustthesothatthechambercollectionvolumecenteredonthegreenoverheadlasersinXandY方向移動(dòng)到水容器的適當(dāng)中心。然后,調(diào)整水容d(CM)Sendthe700mmintothed(75%)Withtheintheboreatisocenteradjustthecouchheightsothatthesurfaceofthewatercorrespondstothegreenborelasers(850mm應(yīng)于綠色孔徑激光器(850mmSSD)。dAdjustthelevelingoftheorscanarm(pitch)sothatthechambertravelsparalleltothesurfaceofthewater.d(0%)Todeterminetheneededadjustment,ceasmallbubblelevelalongtheYaxisonthescanarm(ortheremaybeabubblelevelbuiltintothescanarm).d(0%)YoucanalsousethescanarmcontrollertomovethechamberinYandensurethatittravelsparalleltothesurfaceofthewater.dd(0%)Toadjustthepitchofthe,itmaybemoreeffectivetoverifythatthechambertravelsparalleltothesurfaceofthewaterthantorelyonthebubbleddThewaterintheisalwayslevel,duetod(0%)Withcouchsag,theitselfwillnotbelevelsincetherearenolevelingfeetunderthe.d(0%)Thelevelingscrewsonthescanarmwillneedtobeadjustedsothatthescanarmtravelslevelwithgravity.dd(CM)Thepitchofthemustbeadjustedwiththecouchinthebore,toaccountfortheeffectsofcouchsag.d(CM)Adjustthelevelingoftheorscanarm(roll)sothattheverticaltravelofthechamberisparalleltotheZaxis.d(98%)Todeterminetheneededadjustment,ceasmallbubblelevelalongtheXaxisonthescanarm(ortheremaybeabubblebuiltintothescanddAdjustingthelevelingscrewsinonedimensionmayimpactotherd(0%)Ensurethatpartsb)andc)arebothpassingbeforemovingdAdjustthedepthofthechambersothatitishalf-d(CM)Re-checkthesetuptoensurethatallparametersinSteps7-9pass(someparametersareinter-dependent).d(CM)Sendthecylindricalchamber<350>0.6r<351>cav</351></350>deeperintothe,toaccountfortheeffectivedepthof<350>0.6dTodothisinTEMSfollowtheinstructionsin<352/>tosetd(0%)Inthe<357>Water</357>sectioninthelowerleftcorneroftheTEMSscreen,click<358>SetOrigin</358>todefinethenewzeroposition. <358>SetOrigin(設(shè)置原點(diǎn))</358>以定義新的零位d(0%)Enteraverticalpositionof+1.2mmtoaccountfortheeffectivepointofmeasurementfortheA1SLchamber.dThenclickddEnsurethat<382>Relatively</382>isnotd(0%)<383>Relatively</383>shouldremainde-selectedforallmeasurementsinthischapter.d(0%)d(99%)Ifdesired,bringthecouchoutofthebore700mmandacquire<397><398>CTrue</398></397>imagetoverifythesetup(waterat85cmSSD,chamberat1.2mmphysicaldepth).d(CM)Adjustthesetupifneeded,thensendthecouch700mmintothe1dAlignment2d3dThecommissioningchapteroutlinestheworkflowforscanstoverifythelongitudinalalignmentofthe4dInstructionsforcollectingandyzingthedatainTEMSprovided5d6d(0%)Beforeperformingalignmentverificationscans,performtheinitialsetupoftheinthelongitudinalorientation,asdescribedintheprevious1d(0%)CollectDatain在TEMS中數(shù)2d(0%)(3d(0%)Manuallyenter4d5d6d7d8d9d15,15,dd(0%)Withthewater intheboreattheisocenterposition,choosethe<61>MachineQA</61>taskandselectthe<62>ZZZWaterLongitudinal(Mid40leaves)</62>patientontheLongitudinalMid40leaves)(ZZZ水容器縱向(40個(gè)葉d(0%)Runa<63>J7mmMid40Leaves</63>>d(0%)Aftertheradiationbeamhasbeenonforatleast10seconds,<64>Run</64>intheTEMSsoftwaretomeasurethe10秒鐘后,單擊TEMS1d(83%)yzeDatain2d(0%)Whenthescansarecomplete,savetheTEMSdataforyourrecordsas<22>SN#_LongitudinalAlignment_當(dāng)掃描完成后,將您記錄的TEMS3d(0%)Ifitisnecessarytonormalizetothereferencechannel,<27>Ctrl-click</27>tocreateapinpointontheA17referencechanneldata.4d(0%)Click<28>yze>Normalizeby 5d6d(75%)TheA17chamberistypically cedinthemoatoutsidethewater,alongthelongedgeofthe 7dThesignalatthispositionis8d(99%)Insomecases,normalizingthemeasurementtothereferencechamberdegradesthesignaltonoiseratio,andshouldnotbenecessaryifthereferencechamberdatashowsthatthebeamoutputisstableduringthedelivery.9d(BecauseoftheDoseControlServo,theoutputofthesystemtypicallyd(0%)<55>Ctrl-click</55>tocreateapinpointanywhereontheA1SLprofiledata(ateitherdepth).d(0%)Click<60>yze>NormalizeData</60>tonormalizetheprofiletoitsum.Click<65>yze>Shifton%單擊<65>yze(分析)>Shifton%Max(按最大值%移動(dòng)dd(0%)Enter50%inthepop-upwindowtocenterontheFWHMofthedReadtheresultsatthebottomofthescreen,asd(0%)Samplechannel2alignmentresultshowingfieldcentersat-1.83mmand-0.45mm.dd(0%)Ifyouaremeasuringmorethanonechannel(e.g.,measurementchamberandreferencechamber),besuretoidentifythelineforthecorrectd(94%)Iftheprofilesatdifferentdepthsdifferbymorethan2mm,adjustthelevelingoftheintheroom,resetthedepthofthechamber,andrunthescansagainuntilitpasses.2mm,則在治療室中調(diào)整水容d(80%)Iftheprofilesatdifferentdepthsagreewithin2mm,therotationoftheabouttheXaxis(pitch)isacceptable,andyoucanproceedtostep2mmX軸旋轉(zhuǎn)水容器(上下旋轉(zhuǎn)),8步。dAdjustthehomepositionofthechambertoaccountforaverageYd(0%)Inthe<108>Water</108>sectioninthelowerleftoftheTEMSscreen,enter0inthe<109>VerticalPosition</109>andentertheaverageoftheresultsforthetwoprofilesinthe<110>HorizontalPosition</110>,thenclickand<112>Set在TEMS屏幕左下方的<108>Water(水容器)</108>部分<109>VerticalPosition(垂直位置)</109>0,<111>Move(移動(dòng))</111>和dd(90%)AlthoughyousetyourchamberYpositiontothelaserswhenitwasoutsidethebore,asmallYadjustmentistypicallyrequiredwhenthechamberisinsidethebore,duetotheeffectofthecouchsagpitchangleontheYpositionoftheY位置進(jìn)行小小的調(diào)整。1d(CM)2dThecommissioningchapteroutlinesthesymmetricprofile3d4d(0%)Verifythescanalignmentasdiscussedintheprevioussections,beforecollectingdata.1dCollectDatain2d(0%)Inthe<21>TEMS> ,settheto<23>QuickScan</23>andthe<24>Orientation</24><21>TEMSReadings(讀數(shù))</21><22>Type(類型)</22><23>QuickScan(快速掃描)</23>,將3d(0%)Setthe<26>Total<27>Horizontal</27><28>Velocity</28>,and<29>Depths</29>parametersasshowninthefollowingLongitudinalProfileSettings<26>TotalDistance(總距離)</26>、<27>Horizontal</27><28>Velocity(水平速度)4dFieldWidth5dTotalScanDistance總掃描距離6dScanSpeed7dScanDepths8d(CM)FW10FW109dd(CM)22dd(CM)FW18FW18dd33ddFW25FW25dd33dd(CM)FW50FW50dd33dd(0%)Withthewaterintheboreattheisocenterposition,selectthe<96>ZZZWater Longitudinal(Mid40leaves)</96>fromthe<97>MachineQA</97>taskontheTDC.<97>MachineQA(QA)</97><96>ZZZWaterLongitudinal(Mid40leaves)(ZZZ水容器縱向(40個(gè)葉d(0%)SelectaprocedureofthedesiredfielddAftertheradiationbeamhasbeenonforatleast10seconds,<98>Run</98>intheTEMSsoftwaretomeasurethe10秒鐘后,單擊TEMSd(0%)WhentheTEMSdisyindicatestheprofilehascompleted,savethedataas<103>SN#dd(0%)Youmayinterrupttheprocedurewiththe<122>Stop</122>buttonwhenyouarefinishedcollectingd(0%)Or,keepthebeamrunningandcollectthePDDdataforthesamefieldwidth.RepeatSteps1-3forallfieldwidthsintheStep1dd(0%)RawLongitudinalProfile1dProcessDatain2d(0%)ThissectionprovidesinstructionsforprocessingthesymmetriclongitudinalprofilesinTEMS.3d(0%)TEMSwillallowyoutonormalizeeachprofiletoitsum,normalizetothereferencechannel(ifnecessary),centeralltheprofilesontheirFWHM,anddeterminetheFWHMofaprofile.考通道標(biāo)準(zhǔn)化(如果需要)FWHM并確FWHM。4d(0%)Whenprocessingiscomplete,youcancomparetheprofilestothereferencedatain<19>?Excel?</19>asexinedin<20/>sectionoftheCommissioning5d(0%)Foreachsymmetriclongitudinalprofiledata6d(0%)Ifnecessary,normalizeeachdepthbythereferencechanneltoaccountfordroppedpulsesand/ordosedrift.7d(0%)Todoso,<27>Ctrl-click</27>onthereferencechamber8d(87%)Select<28>yze>Normalizeby9ddInsomecases,normalizingthemeasurementtothereferencechamberdegradesthesignaltonoiseratio,andshouldnotbenecessaryifthereferencechamberdatashowsthattheoutputisstableduringthed(0%)Normalizeeachprofilebyitsumvalue:<55>yze>Normalize d(0%)Shifteachdepthtoitsfull-width50%fieldcenterford<60>Ctrl-Click</60>apointontheprimaryd(0%)Select<61>yze>Shifton%Max</61>and<62>50%</62>inthepop-up選擇<61>yze(分析)>Shifton%Max(按最大值%移動(dòng)dd(0%)Whenprofilesarecollectedin<81>QuickScan</81>mode,TEMSassumesthatthescanarmtravelsatthespecifiedconstantvelocity(thereisnoabsolutepositionfeedbackin<82>QuickTEMS假設(shè)掃描臂以指定的恒速移動(dòng)(<81>QuickScan(快速掃d(0%)However,in<83>QuickScan</83>modethereisabriefinitialperiodofscanarmaccelerationforeachprofile,duringwhichthevelocityislessthanthespecifiedconstantvelocity.<81>QuickScan(快速掃描)</81>模式下,每個(gè)分布d(0%)Thisresultsinpositionaluncertainty(shifts)inthed(0%)Thedirectionofthescanacquisition(frompositivetonegativevaluesorviceversa)alternatesforconsecutivedepths,causingthemeasuredprofilestobeshiftedbackandforthwithconsecutived(0%)Sincewehavealreadyverifiedthelongitudinalscanalignmentwitha<84>StepProfile</84>scan,wenowassumethattheseshiftsareduetoscanarmacceleration,anduseTEMStocentereachprofileonitsFWHM.TEMSFWHM中心。d(0%)(Alternatively,allscanscouldbecollectedin<85>StepProfile</85>modeformoreprecisepositioning.d(0%)Since<86>StepProfile</86>isslow,<87>StepProfile</87>isusuallyforcheckingthealignment,troubleshooting,andmeasuringtheasymmetricprofiles.)d(0%)Savetheprocesseddata1d(0%)PDDPDD2d(0%)ThissectionprovidesTEMSinstructionstocollectPDDsforallsymmetricfieldwidths,asdiscussedintheCommissioning3d(94%)YouwillmeasurethePDDatdepthsof0to19mminstepsof1mm,and20to220mminstepsof10mm.YouwillalsoperformaserpentinePDDforthe1cmfield(longitudinalprofilesat2mm/s019mm1mmPDD220mm10mm1cmscanspeedoveradistanceof2cminYateach4d5d(0%)PDDprofilesaremeasuredwiththesamewater setupusedtocollectthesymmetriclongitudinalprofiles.6d(0%)Ifthewater hasbeenmovedsincemeasuringthesymmetriclongitudinalprofiles,repeat7d和8d.。1dCollectDatain2d(0%)IntheTEMS<25>Readings</25> ,select<26>PDDProfile</26>fromtheTypedrop-downand<27>Longitudinal(SPDD)</27>fromthe<28>Orientation</28>drop-down.TEMS<25>Readings(讀數(shù))</25>Type(類型)<26>PDDProfile(PDD分布)</26>,并從3dClick<29>Defaults</29>topopulatethedepthsthe4d(0%)Verifythatmeasureddepthsare0~19@1,5dPDDPDD6d(97%)Withthewater intheboreattheisocenterposition,selectthe<41>ZZZWater Longitudinal(Mid40leaves)</41>patientfromtheMachineQAtaskontheTDC.TDCQA任務(wù)選擇<41>ZZZWaterLongitudinal(Mid40leaves)(ZZZ水7dSelectaprocedureofthedesiredfield8dAftertheradiationbeamhasbeenonforatleast10seconds,<42>Run</42>intheTEMSsoftwaretomeasurethe10秒鐘后,單擊TEMS9dd(0%)IfTEMSstopsandarederrorlineappearsintheoutputarea,thisoftenindicatesthatthescanarmlimitswitchescouldnotmodatetherangeofdepthsTEMS停止且輸出區(qū)域中出現(xiàn)紅色的誤差線,通常表示,掃d(0%)Thiscouldbefixedbyadjustingthescansettingstoremovethe21and22cmdepths,orbyaddingmorewatertothe repeatingthe2122cm的深度,或者向水容器中添加的水并重復(fù)設(shè)置。d(91%)WhentheTEMSdisyindicatestheprofilehascompleted,savethedataas<69>SN#_PDD_FW##_YYYYMMDD_raw.csv</69>.d(71%)RepeatSteps1-3forallsymmetricfieldd(0%)Inaddition,collectandsavea<78>SerpentinePDDprofile</78>fortheFieldWidthof10mmusingtheparametersoutlinedinthisd(0%)dIntheTEMS d(0%)Select<92>SerpentinePDDProfile</92>fromthed(0%)dClick<104>Defaults</104>topopulatethed(0%)Verifythatthedepthsare6,8,10~16@1,18,20~80@10,150,d(0%)Performsteps2-3fortheallthelongitudinalprofilefield1dProcessDatain2d(82%)ThissectioncontainsinstructionsforprocessingthePDDprofilesinTEMS.3d(0%)TEMSwillallowyoutonormalizeeachprofiletoitsum,andnormalizetothereferencechannel(ifnecessary).4d(97%)Whenprocessingiscomplete,youcancomparetheprofilestothereferencedatainExcelasexinedinthe<19/>sectionoftheCommissioningchapter.5dForeachPDDdata6d(0%)Select yze>Translate 7d8d(0%)<45>TranslatePDD</45>identifiesallPDDpointscollectedatdifferentdepthsasmembersofonedataset.9d(0%)(<46>TranslatePDD</46>doesnotshiftthedataasthenamemightseemtoimply.)(<46>TranslatePDD(PDD)</46>不會(huì)轉(zhuǎn)變數(shù)據(jù),因?yàn)槊鹍(0%)Ifitisnecessarytonormalizeeachdepthtothereference<55>CTRL-click</55>apointonthereferencechamberdata,andselect<56>yze>NormalizeByChannel</56>. >ddInsomecases,normalizingthemeasurementtothechamberdegradesthesignaltonoised(0%)Select<83>yze>NormalizeData</83>tonormalizebythe d(88%)Savetheprocesseddata1d(0%)AsymmetricLongitudinalProfiles(DynamicJaws2d(0%)ThissectionprovidesTEMSinstructionstocollecttheasymmetriclongitudinal(IECY)profilesforsystemswiththedynamicjawsfeature,asdiscussedintheCommissioning本節(jié)提供按調(diào)試章節(jié)所述對具有動(dòng)態(tài)夾爪功能的系統(tǒng)非對(IECY)TEMS說明。3d(0%)Asymmetricprofilesneedonlybemeasuredatadepthof154d5d(0%)Symmetriclongitudinal(IECY)waterprofilesshouldbeconfirmedpassingbeforemeasuringtheAsymmetricLongitudinalWater測量非對稱縱向水容器分布之前,應(yīng)確認(rèn)對稱縱向(IECY)水容器6d7AsymmetriclongitudinalprofilesaremeasuredwiththedwatersetupusedtocollectthesymmetriclongitudinalandPDDprofiles.8d(86%)IfthewaterhasbeenmovedsincemeasuringthesymmetriclongitudinalprofilesorPDDprofiles,repeat復(fù)9dtoverify1d 2d(0%)Priortomeasuringtheasymmetriclongitudinal(IECY)waterprofiles,watersetupmustbere-verifiedusingthelongitudinalalignment在測量非對稱縱向(IECY水容器分布之前,必須使用縱向?qū)R掃3d(0%)Theasymmetricprofileswillbemeasuredonlyat15mm4d(0%)Insteadofaveragingtheshiftcorrectionfordepthsof15mmand200mm,thecorrectionat15mmdepthshouldbeapplied.15mm15mm2005d(0%)Repeatthestepsin<23/>torunthelongitudinalalignmentverificationscan,butuseonlythe15mmdepth:6dDepths(7d(0%)8d(0%)Repeatthestepsin<29/>andensuretheshiftdoesnot±0.05mm.Seethefollowingimageforanexampleofa重復(fù)<29/>±0.05mm。參見下面的影9d(77%)dd(0%)Besuretochecktheappropriateoutputlineforthemeasurementchamberand15mmdepth.dIfthereportedshiftisnotwithin0±00.05mmd(0%)Enter<64>0</64>inthe<65>VerticaldEnterthereportedshiftinthe<70>HorizontalPosition</70>d(0%)Clickthe<75>Move</75>and<76>SetOrigin</76>d(0%)RepeatSteps1-3untiltheresultiswithin0±dd(0%)Ifatanytimeduringthemeasurementoftheasymmetriclongitudinal(IECY)profilesitisnoticedthatthecouchpositionhaschanged(inIECYorIECZdirections),repeatstepstoconfirmthatthereportedfieldcenterlocationatdepth15mmiswithin如果在測量非對稱縱向(IECY)分布期間的任何時(shí)候注意到治療床位置改變(在IECYIECZ方向),15mm處的報(bào)告射野中心位置處于±0.05mm內(nèi)。d(0%)Ifthefieldcenterisoutsideof±0.05mm,adjustthehomepositionandrepeatanyimpactedasymmetricprofiles.如果射野中心在±0.05mm1d(CM)CollectDatain2d3d(0%)Duetothecharacteristicshiftingofdatathatoccurswhenusingthe<35>QuickScan</35>functionality,<36>StepProfile</36>mustbeusedtomeasureasymmetriclongitudinal(IECY)waterprofiles.<35>QuickScan(快速掃描)</35>功能時(shí)數(shù)據(jù)發(fā)生特非對稱縱向(IECY)水容器分布。4d(0%)Thismaintainsabsolutepositioninformation,usefulforcomparisonwithcalculateddoseprofilesintheTCOMTCOM電子表格中的計(jì)算5d(0%)IntheTEMS<45>Readings</45>,setthe<46>Type</46><47>Step</47>,<48>TotalDistance</48>to100mm,<49>StepSize</49>to1.0mm,and<50>Depth</50>to15mm.TEMS<45>Readings(讀數(shù))</45><46>Type(類型)</46><47>Step(階梯)</47>,<48>TotalDistance</49>1.0mm<50>Depth(深度)</50>156d(0%)Openthe<55>ZZZWaterLongitudinal(Mid40leaves)</55>patientfromthe<56>MachineQA</56>taskontheTDC.TDC<56>MachineQA(QA)</56><55>ZZZWaterLongitudinal(Mid40leaves)(ZZZ水容器縱向(中間7dSelectaprocedureofthedesiredfield8dAftertheradiationbeamhasbeenonforatleast10seconds,<57>Run</57>intheTEMSsoftwaretomeasurethe10秒鐘后,單擊TEMS9d(91%)WhentheTEMSdisyindicatestheprofilehascompleted,savethedataas<62>SN#_Longitudinal_FW##_+/-d(74%)Repeatforallasymmetricfield1dProcessDatain2d(92%)ThissectioncontainsinstructionsforprocessingtheasymmetriclongitudinalprofilesinTEMS.3d(99%)TEMSwillallowyoutonormalizeeachprofiletoitsumandnormalizetothereferencechannel(ifnecessary).4d(98%)Whenprocessingiscomplete,youcancomparetheprofilestothereferencedatain<19><20>Excel</20></19>asexinedinthe<21/>sectionoftheCommissioningchapter.5dForeachasymmetriclongitudinalprofiledata6dIfnecessary,normalizeeachdepthbythereferencechanneltoaccountfordroppedpulsesand/ordosedrift.7d(CM)Todoso,<28>Ctrl-click</28>onthereferencechamber要執(zhí)行此操作,<28>Ctrl-click(Ctrl并單擊)</28>參考室數(shù)8d(99%)Select<29>yze>NormalizeBy9ddInsomecases,normalizingthemeasurementtothechamberdegradesthesignaltonoisedTonormalizeeachprofilebyumvalue,yze>Normalize>dDoNOTshiftasymmetricprofilesontheird(78%)Savetheprocesseddata1d(CM)Initial2d3d4d(0%)Beforechangingthewater setup,confirmthatallLongitudinalandPDDprofilesarepassing.5dFollowthestepsin<41/>toaligntheinthe6d(0%)ManyofthenotesspecifictotheStandardImagingequipment<42/>alsoapplytothetransverse7d:8d(0%)Whenrotatingthe,avoidpushingonthewallsofthethismaycausethetobreak.,9d(0%)Pushonthebaseofthe,nearthedAlso,avoidstretchingthecablesasyouarerotating.1d(CM)Alignment2d3d(0%)ThissectionprovidesTEMSinstructionsforcollectingandyzingtheprofilesusedtoverifytherotationalalignmentofthe,asdiscussedintheCommissioningTEMS說明。4d5d(87%)Beforeperformingalignmentverificationscans,performtheinitialsetupinthetransverseorientation,asdescribedintheprevious1dCollectDatainTEMS2d(0%)Ensurethatyouhavecompletedthestepsintheprevioussectiontosettheoriginofthechamberandaccountfortheeffectivedepthof3d(0%)Inthe<25>Water </25>sectionofTEMS,enterthe<26>HorizPos</26>and<27>VerticalPos</27>accordingtothefollowing在TEMS的<25>Water 入<26>HorizPos(水平位置)</26>和<27>VerticalPos(垂直位4dThenclick5dStartwithScan6d(0%)Chamber7dScan8d(0%)HorizPos9dVerticalPosd11ddd22ddd33d00dd(0%)Ensurethatthe<89>SampleTime</89>issetto100msand<90>Bias</90>isat-300d(70%)Openthe<95>ZZZWaterTransverseSetupTopo</95>patientfromthe<96>MachineQA</96>taskoftheTDC,andprepareaprocedure.TDC<96>MachineQA(QA)</96><95>ZZZWaterTransverseSetupTopo(ZZZ水容器橫向設(shè)置Topo)d(0%)Ifthewater iscurrentlyatisocenterinthebore,performa-50mm<101>StepMove</101>inYtobringthecouchoutofdPress<106>Ready</106>onthe<107>PositioningControlddEach<127>WaterTransverseSetup.xml</127>proceduresendsthecouch30mmintothebore(setuptoreadydistance).d(CM)Duringbeam-on,thecouchtravelsintheYdirectiontocollectalongitudinalprofileover40mmdistance(scanningarangeof[-20mm,20mm]inYwithrespecttoisocenter).的縱向分布(Y[-20mm,20mm])。d(CM)Whentheprocedureisfinished,thecouchreturnstothepositionjustbefore<128>Ready</128>waspressed.d(0%)Beforeradiationbegins,click<137>Sample</137>intheTEMSd(0%)Whentheprocedureiscomplete,click<142>Sample</142>tostopsampling.dSavethed(70%)Repeatsteps2-9forscans2and232-91dProcessDatain2d(0%)InTEMS,click<21>yze>CouchVelocity</21>,andsetitto 3d4dTEMSdoesnothaveadirectconnectiontothesystemandtobeinformedofthecouch5dThecouchspeedintheXMLis1.06d(0%)Click<48> yze>NormalizeData</48>tonormalizetheumoftheprofileto100%. 7d8d(0%)Donotnormalizebychannel,becausethereferencechambermovesacrossthebeamduringtheprocedure.9d(0%)Clickanddragaboxaroundtheradiation-oncorneroftheprofiletozoomin.Then,<75>CTRL-click</75>toselectapointontheradiation-oncorneroftheprofile.<75>CTRL-click(CTRL并單擊)</75>以在分布的輻射開啟d(0%)dd(89%)Sinceyoustartedtheprofilemeasurementbeforeturningthebeamon,thebeam-onandbeam-offcornerscanbeidentifiedintheprofilesbythesuddenincreaseinthechambersignal.dSeetheredpointsatthelowerleftandlowerrightedgesofdatadRepeatStep3fortheradiation-offcornerofthedd(0%)Thelocationofyourbeam-onandbeam-offpointsimpactsthedTrytochoosesimilarpointsforthebeam-onandbeam-d(0%)Beamd(0%)Click<136>yze>FindCouch d(0%)TEMSwillcheckthecenteringoftheprofilewithrespecttothebeam-onperiodindicatedbyyourcontrolpoints,andreportthecouchoffsetintheoutputwindowatthebottomofthescreen.TEMS將檢查分布相對于控制點(diǎn)所指示的射束開啟期的居中情dd(0%)Besuretoidentifytheoutputlineforthemeasurementchannel,notthereferencechannel.dRepeatSteps1-5forscans2and231-5d(0%)RefertothedecisiontreeindIftheindividualprofilesdifferfromtheiraveragebymorethan1mm,adjustthelevelingoftheintheroom(pitchoryaw),resetthedepthofthechamber,andrunthescansagainuntilit1mm,則在治療室中調(diào)整d(98%)Iftheindividualprofilesagreewithin1mmoftheiraverage,t

溫馨提示

  • 1. 本站所有資源如無特殊說明,都需要本地電腦安裝OFFICE2007和PDF閱讀器。圖紙軟件為CAD,CAXA,PROE,UG,SolidWorks等.壓縮文件請下載最新的WinRAR軟件解壓。
  • 2. 本站的文檔不包含任何第三方提供的附件圖紙等,如果需要附件,請聯(lián)系上傳者。文件的所有權(quán)益歸上傳用戶所有。
  • 3. 本站RAR壓縮包中若帶圖紙,網(wǎng)頁內(nèi)容里面會(huì)有圖紙預(yù)覽,若沒有圖紙預(yù)覽就沒有圖紙。
  • 4. 未經(jīng)權(quán)益所有人同意不得將文件中的內(nèi)容挪作商業(yè)或盈利用途。
  • 5. 人人文庫網(wǎng)僅提供信息存儲(chǔ)空間,僅對用戶上傳內(nèi)容的表現(xiàn)方式做保護(hù)處理,對用戶上傳分享的文檔內(nèi)容本身不做任何修改或編輯,并不能對任何下載內(nèi)容負(fù)責(zé)。
  • 6. 下載文件中如有侵權(quán)或不適當(dāng)內(nèi)容,請與我們聯(lián)系,我們立即糾正。
  • 7. 本站不保證下載資源的準(zhǔn)確性、安全性和完整性, 同時(shí)也不承擔(dān)用戶因使用這些下載資源對自己和他人造成任何形式的傷害或損失。

評(píng)論

0/150

提交評(píng)論