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目的掌握周口市放射诊疗工作人员的个人剂量水平,保障放射诊疗工作人员的健康和安全。方法依据GBZ 128-2002《职业性外照射个人监测规范》对个人剂量监测的方法进行。结果 3年间共监测放射诊疗工作人员2 008人次,集体剂量当量为2 346.57人·mSv,人均年有效剂量为1.17 mSv,从事X射诊断、介入、放射治疗、核医学4类工作的人均年有效剂量分别为1.18、1.32、0.83、1.35 mSv。结论周口市绝大多数放射诊疗工作人员年有效剂量水平在安全范围内。
Objective To grasp the personal dose level of radiation clinic staff in Zhoukou City to ensure the health and safety of radiation clinic staff. Methods According to GBZ 128-2002 “Occupational exposure to personal monitoring norms” for personal dose monitoring methods. Results A total of 2 008 radiological staff were monitored during the three years, with a collective dose equivalent of 2 346.57 person · mSv and a per capita effective dose of 1.17 mSv. The average annual effective dose of radiotherapy, interventional, radiotherapy and nuclear medicine was 4 years The doses were 1.18, 1.32, 0.83 and 1.35 mSv, respectively. Conclusion Zhoukou City, the vast majority of radiation clinic staff effective dose levels in the safe range.