放疗计划系统(RadiationTherapyTreatmentPlanningSystem,TPS)曲桂红PhD2006/10/21放疗计划系统(RadiationTherapyTreatmentPlanningSystem,TPS)1、定义IEC60601-2-48,Medicalelectricalequipment,Part2:Particularrequirementforthesafetyofradiationtherapytreatmentplanningsystem
ARADIATIONTHERAPYTREATMENTPLANNINGSYSTEMisamedicaldevicethatsimulatesaproposedRADIOTHERAPYtreatmentthroughaprocessofmodelingbothasourceofradiationandaPATINT
ItalsooftenproducesestimationsofABSORBEDDOSEdistributioninthePATIENTusingaspecificalgorithmoralgorithms
放疗计划系统是一种通过对放射源及患者建模过程来模拟一个推荐的放射治疗的设备
系统采用一个或几个专门的算法计算患者体内吸收剂量分布
放射治疗计划系统是放射治疗QA必不可少的工具
2、基本概念2.1分类(1)按照维数(计算模型+显示)二维(2D)三维(3D)(2)按照治疗技术外照射(ExternalRadiotherapy)内照射(BrachyRadiotherapy)(3)按治疗模式常规(NormalRadiotherapy)适形(ConformalRadiotherapy)调强(IMRT)3、系统组成3.1硬件系统(1)主机专用工作站(SSGI,HP,DEC,SUN,Apple)PC