论文部分内容阅读
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60Coγ 刀治疗源的研制过程,叙述了 Co γ 刀治疗源的性能、技术 60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。
60Co γ knife treatment is the source of gamma knife treatment equipment core components, with a small active area, high specific activity, penumbra small, focused shape, the use of long cycle characteristics. This paper introduces the development process of self - made 60 Co γ knife and describes the performance, technology index, safety performance and structure of Co γ knife, and the production technology and quality control during the development. 60Co gamma knife treatment source using high specific activity of radioactive cobalt particles, packaging and welding sealed in double stainless steel cladding, the safety performance, surface contamination and leakage quality inspection, in line with the provisions of GB 4075 and GB 4076.