Coγ刀治疗源的研制简介THEDEVELOPMENTOFCoγKNIFE.PDFVIP

CNIC-01452 SINRE-0087 60Co γ γ 刀治疗源的研制简介 γ γ THE DEVELOPMENT OF 60Co γ γ KNIFE γγ THERAPY SOURCES (In Chinese) 中 国 核 情 报 中 心 China Nuclear Information Centre CNIC-01452 SINRE-0087 60Co γ 刀治疗源的研制简介 吴日华 李兴义 吴贵华 夏 冰 张继荣 陈铁光 （中国核动力研究设计院，成都，610005 ） 摘 要 60Co γ 刀治疗源是 γ 刀治疗设备的核心部件，具有活性区小，比 活度高，半影区小，聚焦成形好，使用周期长等特点。介绍了自产 60Co γ 刀治疗源的研制过程，叙述了 60Co γ 刀治疗源的性能、技术 指标、安全性能和结构，以及研制过程中的生产工艺和质量控制。 60Co γ 刀治疗源采用高比活度放射性钴粒，分装焊封在双层不锈钢 包壳内，经安全性能、表面污染与泄漏等质量检验，符合GB 4075 和GB 4076 的规定。 1 The Development of 60Co γ γ Knife Therapy Sources γ γ (In Chinese) WU Rihua LI Xingyi WU Guihua XIA Bing ZHANG Jirong CHEN Tieguang (Nuclear Power Institute of China, Chengdu, 610005) ABSTRACT 60Co γ gamma knife source is a kernel unit of γ knife therapy equipment. It has small active core, high specific actvity, narrow half dark area, best focus form, long use period. The research of 60Co γ knife sources are presented. Specifications of γ knife sources, technical parameters, safety performance, structure feature, procedure and quality control during research are discussed. 60Co γ source consists of high specific activity cobalt pellets and double stainless steel sealed by argon arc welding. Its safety