PET系统数字化技术研究进展  

Research progress of digitalization technology of PET system

作　　者：谷晓芳 鲍雅晴 尤晓菲 GU Xiao-fang;BAO Ya-qing;YOU Xiao-fei(Center for Medical Device Evaluation,National Medical Products Administration,Beijing 100081,China)

机构地区：[1]国家药品监督管理局医疗器械技术审评中心,北京100081

出　　处：《中国医学装备》2022年第4期189-193,共5页China Medical Equipment

基　　金：国家重点研发计划(2019YFC0118905)“全数字PET非临床和临床评价方法研究”。

摘　　要：数字化是正电子发射断层成像(PET)系统进行成像的重要环节,数字化技术直接关系到PET系统的性能。PET数字化技术的提高有望提升PET图像质量及加快扫描速度,还可降低放射性药物的注射剂量。为此从PET系统数字化发展历程出发,从技术原理、不同技术路线差异、数字化环节的关键部件等方面对相关数字化技术进行研究和阐述,旨在为PET数字化技术路线的选择提供思考。Digitalization is an important step of positron emission computed tomography(PET)system in imaging process,which is directly related to the performance of PET system.The development of PET digitalization technology is expected to effectively improve the quality of PET image and speed up the scanning speed,and reduce the injection dose of radiopharmaceuticals.Starting from the development history of the digitalization of PET system,this paper studied and expounded the related digitalization technologies from the aspects included technical principles,differences of various technology routes and key components of digitalization step,in order to provide thinking for the choice of PET digitalization technology routes.

关 键 词：正电子发射断层扫描(PET) 正电子发射/X射线计算机断层扫描(PET/CT) 数字化 光电转换器件 探测器 

分 类 号：R318.6[医药卫生—生物医学工程]