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目的为了解珠三角某市牙片机的防护性能情况。方法对珠三角某市医疗单位和牙科诊所35台牙片机的防护性能检测结果进行了分析。结果半值层合格率100%;管电压指示的偏离合格率100%;曝光时间指示的偏离合格率65.71%;集光筒出口平面的最大几何尺寸合格率100%;进口牙片机合格率90.91%;国产牙片机合格率54.71%;不合格牙片机经厂家维修调试后,复测合格率100%。结论国产牙片机的产品质量有待提高;应加强对牙片机防护性能的检测,便于及时发现问题,及时改正;卫生监督部门加强监督管理及加大宣传力度,提高口腔诊所责任人对设备防护性能检测的意识,共同维护放射工作人员、受检者和公众的健康。
Aim To understand the protective performance of toothpicks in a city in the Pearl River Delta. Methods The protective performance test results of 35 dental units in medical units and dental clinics in a certain city of PRD were analyzed. The results of the half-value layer pass rate of 100%; tube voltage deviation from the pass rate of 100%; exposure time deviation rate of 65.71% indication; collecting cylinder exit plane of the maximum geometric size pass rate of 100%; Import tooth machine pass rate of 90.91 %; Domestic dental machine pass rate of 54.71%; failed dental machine repair by the manufacturer after commissioning, retest pass rate of 100%. Conclusion The quality of domestic toothpick should be improved. The testing of toothpicker protection should be strengthened so that problems can be found in time and corrected timely. Health supervision departments should strengthen supervision and management and publicity to improve the protection of equipment Awareness of performance testing to jointly maintain the health of radiation workers, subjects and the general public.