医用电子直线加速器的日常维护及故障维修研究  

Study on Routine Maintenance and Malfunction Maintenance of Medical Electronic Linear Accelerator

作　　者：许安杰[1] 陆志高 罗吉[1] 孟强[1] 熊时祥 胡伟刚[1] XU Anjie;LU Zhigao;LUO Ji;MENG Qiang;XIONG Shixiang;HU Weigang(Radiotherapy Center,Fudan University Shanghai Cancer Center,Shanghai 200032,China)

机构地区：[1]复旦大学附属肿瘤医院放射治疗中心,上海200032

出　　处：《中国医疗设备》2018年第7期158-160,共3页China Medical Devices

摘　　要：目的本研究旨在探讨医用电子直线加速器的故障特点和规律及其日常维护及故障维修方法。方法本研究以本院放疗科所使用的一台医用电子直线加速器为例,对2012~2017年过去5年来所出现的故障进行了全面的统计分析,分析其发生故障的原因以及故障的特点和规律,并提出相应的日常维护及故障维修方法。结果该院这台医用电子直线加速器2012~2017年发生的故障包括:多叶准直器(Multi-Leaf Collimator,MLC)故障、束流系统故障、运控系统故障、真空充气系统和恒温水循环系统故障、机械故障。其中,MLC故障所占比例最高,占30.93%;机械故障所占比例最低,只有3.09%。结论医用电子直线加速器故障涉及到的种类较多,原因较复杂,在日常工作中要注意设备的维护和保养,有针对性地预防故障的发生。Objective The purpose of this study is to investigate the characteristics and rules of medical linear accelerator and its routine maintenance and repair methods.Methods In this study,a medical linear accelerator used in the radiotherapy department of our hospital was taken as an example to conduct a comprehensive statistical analysis on the faults that occurred in the past five years from 2012 to 2017,and the causes of the failures and the characteristics of the faults and rules were analyzed.Then the corresponding routine maintenance and fault repair methods were put forward.Results The failures of this hospital medical linear accelerator in 2012 to 2017 included:multi-leaf collimator(MLC)failure,beam system failure,operation and control system failure,vacuum inflation system and constant temperature water circulation system failure,mechanical failure.Among them,the failure rate of MLC was the highest(30.93%),and the mechanical failure was the lowest(3.09%).Conclusion There are many kinds of medical linear accelerator failures,and the causes of these failures are complicated.We should pay attention to the maintenance and maintenance of equipment and prevent the occurrence of faults in a targeted manner in routine work.

关 键 词：医用电子直线加速器 直线加速器故障 直线加速器故障预防 多叶准直器 放射治疗 

分 类 号：R197.39[医药卫生—卫生事业管理]