为贯彻执行《放射性同位素与射线装置放射防护条例》,了解我县医用X射线机的防护状况,1996年对全县21家医疗机构的医用X射线机进行了调查.1 对象与方法1996年,对全县21家医疗机构的24台医用X射线机,用FJ-347Aγ剂量仪(西安262厂)检测.检测X线机防护性能与周围环境照射量率,X线机机房面积、防护措施等.检测方法与评价按《医用X射线卫生防护标准》. In order to implement the Regulations on Radiation Protection of Radioactive Isotopes and Radiation Devices and understand the protection status of medical X-ray machines in our county, the medical X-ray machines of 21 medical institutions in the county were investigated in 1996. Subjects and Methods In 1996, Twenty-four medical X-ray machines of 21 medical institutions in the county were tested with FJ-347A gamma dosimeter (Xi’an 262 Factory), and the X-ray machine protection performance, ambient exposure rate, X-ray machine room area, protective measures and so on Detection methods and evaluation according to “medical X-ray health protection standards.”