4D-CT模拟机定位床和激光定位灯的质量保证

2013－03－054D－CT张基永，陆佳扬，洪丹丽515031〔〕TH774〔〕A〔〕1002－2376201306－0001－02〔〕治疗计划系统图像来源是通过CT模拟定位机扫描得到的，机器几何位置关系的正确与否，直接影响精确放疗的精确性。本文主要介绍CT扫描定位床和激光定位灯的质量保证和经验。〔〕CT模拟;定位灯;质量保证0CTCTCT。。1PhilipsBrillianceCTBigBore4D－CTCT。、、、CT。1CTCT。1mm“”。H4CTF5。21mm。1201363CT/500mm/CT/1mm。4CT70kg150CT//CT/1mm。2CTLAPDo-radoCT－1－3CT。。500mm。。1HILTIPMC36。。2。500mm。3CTCTQA。CT。1AAPMＲEPOＲTNO.66.Qualityassuranceforcomputed－tomographysimulatorsandthecomputed－tomography－simulationprocessJ.MedicalPhysics200310302762－2792.2NishidaiTNagataYTakahashiMetal.CTsimulatorAnew3－Dplanningandsimulatingsystemforradiothera-pyJ.ＲadiatOncolBiolPhys199018499－504.3.CTJ.200211121－22.4.CTJ.200413546－550.QualityAssurancefor4DCT－SimulatorCouchandPositionlampZHANGJi－yongLUJia－yangHONGDan－liCancerHospitalofShantouUniversityMedicalCollegeShantou515031ChinaAbstractTheimagesoftreatmentplanningsystemareobtainedbyCTsimulatorandCTsimulator’sspatiallocationshouldbecorrectedorelsetheexactradiotherapywillfailtoachieve.OurexperienceinQualityAssuranceofCTsimulatorwillbesharedinthispaper.KeywordsCTsimulationPositionlampQualityAssurance2MedicalEquipmentVol.26No.6