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目的分析放射工作人员过量照射原因,据此提供相应对策。方法参照四川省疾控中心个人剂量监测报告和现场调查相结合的方法对过量照射的原因进行分析。结果大部分的过量照射发生在医疗机构,其中55.6%的过量照射属非个人真实照射,其余44.4%为个人真实照射,个人真实照射所致过量照射原因是工作量大或违反个人剂量监测程序。结论放射工作单位应采取措施,改善工作场所和人员防护条件,提高管理水平,落实管理责任制,加强防护知识培训和宣传贯彻个人剂量监测的有关规定;检测服务机构应健全个人剂量种类,提高监测质量。
Objective To analyze the causes of over-exposure of radiation workers and provide corresponding measures accordingly. Methods Reference to the Sichuan Province CDC personal dose monitoring report and on-site investigation of a combination of methods to analyze the causes of excessive exposure. Results Most of the over-exposure occurred in medical institutions. 55.6% of the patients were over-exposed to real radiation and 44.4% of the patients were exposed to real radiation. The reason of over-exposure due to personal exposure to radiation was heavy workload or violation of personal dose monitoring procedures. Conclusion Radiation work units should take measures to improve the workplace and personnel protection conditions, improve the management level, implement the management responsibility system, strengthen the protection of knowledge training and publicity to implement the relevant provisions of individual dose monitoring; testing services should improve the type of personal dose, improve monitoring quality.