中国医学装备2025，Vol.22Issue(5)：174-175,179,3.DOI:10.3969/j.issn.1672-8270.2025.05.034
医用直线加速器机柜电源供应联锁故障维修案例分析
Analysis on maintenance case of STPS interlocking fault of medical linear accelerator
徐磊 1沙朝丰 2姚君 1杜程祥2
作者信息
- 1. 宁波大学附属人民医院医学工程科 宁波 315040
- 2. 宁波大学附属人民医院直线加速器科 宁波 315040
- 折叠
摘要
Abstract
Medical linear accelerator is precisely large-scale medical equipment with high integration and complex construction.In use,it is easy to occur fault,and the maintenance process is tedious,and the cost of maintenance is higher.The servicers with medical engineering technique should proficiently know and grasp the structure and principle of this kind of equipment,and respond routine fault,and ensure the quality of accelerator in clinical application.This article analyzed a case of interlocking fault of stand power supply(STPS)of 23EX medical linear accelerator in the department of medical engineering of the Affiliated People's Hospital of Ningbo University.According to the performance of accelerator's fault,and combining the work principle of occurring STPS interlocking fault,the pulse width modulation(PWM)board in auxiliary electronic cabinet of accelerator was located.Its schematic diagram was analyzed and checked.Finally,it was determined that the reason was the field effect tube of PWM board was broken down.The fault was eliminated after the components of occurring fault was replaced.We can increase maintenance efficiency and technical level,and reduce the cost of maintenance for hospital,and ensure its quality in clinical application through quickly locate and resolve faults.关键词
医用直线加速器/脉冲宽度调制板(PWM板)/STPS联锁/故障维修Key words
Medical linear accelerator/Pulse width modulation(PWM)board/Stand power supply(STPS)interlocking/Fault maintenance分类
医药卫生引用本文复制引用
徐磊,沙朝丰,姚君,杜程祥..医用直线加速器机柜电源供应联锁故障维修案例分析[J].中国医学装备,2025,22(5):174-175,179,3.
