应用仿真人体模型估算辐照场所受照人员物理剂量的方法研究  

The research on dose estimation of irradiated persons in radiation source accident by anthropomorphic phantom

作　　者：丁艳秋[1] 李明生[1] 刘运宏[1] 翟贺争[2] 程金生[1] 

机构地区：[1]中国疾病预防控制中心辐射防护与核安全医学所 辐射防护与核应急中国疾病预防控制中心重点实验室,北京100088 [2]中国医学科学院放射医学研究所,天津300192

出　　处：《中国医学装备》2015年第2期8-10,共3页China Medical Equipment

基　　金：卫生行业科研专项(201002009)"辐射危害控制与核辐射卫生应急处置关键技术研究及其应用"

摘　　要：目的:探讨中国人辐照仿真人体模型适用于60Co源辐照场所放射事故受照人员的剂量估算的可行性,为放射事故现场医学救治提供剂量监测方法。方法:在60Co源辐射场下,将热释光剂量计(TLD)布放在仿真人体模型重要器官(心脏、肾脏和肝脏等)内,模拟辐照场所人员受照情况,得出事故受照人员器官的剂量,并与蒙特卡罗模拟估算的器官剂量进行比较。结果:TLD方法测量得到的器官剂量值与蒙特卡罗程序模拟估算的器官剂量值基本一致,相对偏差在±31.3%以内。结论:在中国人辐照仿真人体模型重要器官内布放热释光剂量计可以作为估算辐照场所受照人员剂量的有效方法。Objective： To discuss the feasibility of dose estimation in china radiation anthropomorphic phantom as irradiated persons in 60 Co radiation source accident for medical handling when radiation accident happened. Methods： TLD dosimeters in anthropomorphic phantom were used to measure the dose to important organs, comparing the dose to organs measured by TLD with the dose to organs computed by Monte Carlo method. Results： The doses to organs measured by TLD were coincident with the dose to organs computed by Monte Carlo method; the relative deviation was ±31.3%. Conclusion： It was an effective method to estimate the dose to irradiated persons in radiation source accident measured by TLD dosimeter which were placed in china radiation anthropomorphic phantom.

关 键 词：放射事故 器官剂量 仿真模体 

分 类 号：R144.1[医药卫生—公共卫生与预防医学]