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ID:40566656
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页数:10页
时间:2019-08-04
《Task Group 142 report QA表格》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、TaskGroup142report:QualityassuranceofmedicalacceleratorsTG142QA的推荐规范,强烈推荐各个单位物理师根据设备的历史情况及使用情况,自身开展的技术与设备,数据分析,灵活调整QA的频率及容差值,制定相应的QA流程与制度。TG142报告里面没有关于VMAT、Tomotherapy(TG-148),CyberKnifeTomotherapy(TG-148)的QA项目。。TABLEI.Daily(日检)Machine-typetoleranceProcedureNon-IMRTIMRTSRS/SBRTDosimet
2、ry(剂量)X-rayoutputconstancy(allenergies)(X线输出剂量稳定性)Electronoutputconstancy(weekly,3%exceptformachineswithuniquee-monitoringrequiringdaily)(电子线输出剂量稳定性)3%Mechanical(机械)Laserlocalization(激光灯定位)2mm1.5mm1mmDistanceindicator_ODI_@iso(等中心处光距尺)2mm2mm2mmCollimatorsizeindicator(准直器大小显示)2mm2mm1mm
3、Safety(安全)Doorinterlock(beamoff)(门连锁)FunctionalDoorclosingsafety(门闭合)FunctionalAudiovisualmonitor(s)(视听监控设备)FunctionalStereotacticinterlocks(lockout)(立体定向连锁)NANAFunctionalRadiationareamonitor(ifused)(放射治疗区域监控设备)FunctionalBeamonindicator(出束显示指示)FunctionalTABLEⅡ.Monthly(月检)Machine-typet
4、oleranceProcedureNon-IMRTIMRTSRS/SBRTDosimetry(剂量)X-rayoutputconstancy(X线输出剂量稳定性)Electronoutputconstancy(电子线输出剂量稳定性)2%Backupmonitorchamberconstancy(备用电离室剂量监测稳定性)Typicaldoserateaoutputconstancy(主剂量率输出稳定性)NA2%@IMRTdoserate2%@stereodoserate,MUPhotonbeamprofileconstancy(光子线剂量曲线稳定性)1%Elect
5、ronbeamprofileconstancy(电子线剂量曲线稳定性)1%Electronbeamenergyconstancy(电子线能量稳定性)2%/2mmMechanical(机械)Light/radiationfieldcoincidence(光射野一致性)2mmor1%onasideLight/radiationfieldcoincidence(asymmetric)(光射野一致性非对称野)1mmor1%onasideDistancecheckdeviceforlaserscomparedwithfrontpointer(激光灯与前指针距离检测装置)1m
6、mGantry/collimatorangleindicators(@cardinalangles)(digitalonly)(机架、准则角度显示:仅数字)1.0°Accessorytrays(i.e.,portfilmgraticletray)(托架附件)2mmJawpositionindicators(symmetric)(钨门位置显示:对称)2mmJawpositionindicators(asymmetric)(钨门位置显示:非对称)1mmCross-haircentering(walkout)(十字叉丝中心)1mmTreatmentcouchpositi
7、onindicators(治疗床位置显示)2mm/1°2mm/1°1mm/0.5°Wedgeplacementaccuracy(楔形板位置准确性)2mmCompensatorplacementaccuracy(补偿器位置准确性)1mmLatchingofwedges,blockingtray(楔形板连锁、托架连锁)FunctionalLocalizinglasers(定位激光灯)±2mm±1mm<±1mmSafety(安全)Laserguard-interlocktest(激光防护连锁测试)FunctionalRespiratorygating(呼吸门控)Beam
8、outpu
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