动态调强放疗中VARIAN MLC的故障分析处理

Fault Analysis and Treatment of MLC VARIAN in Dynamic Intensity Modulated Radiotherapy

目的分析VARIAN 23EX直线加速器MLC常见故障,为加速器维修提供经验交流。方法针对治疗过程中出现机器故障,观察4DTC治疗控制电脑,通过MLC自检软件查看报错信息找到故障所在,分析故障原因,解决故障。结果经过科学分析,对症处理,故障有效排除,系统恢复正常运转,为机器维护维修积累了经验。结论 MLC使用频率高,易发故障。探究一套有效的检修方法及时排除MLC故障可提高机器性能,确保调强放射治疗效果。

ObjectiveTo analyze the common faults of 23EX VARIAN linear accelerator MLC and provide the experience for the maintenance of the accelerator. Methods To observe the in the treatment process of the machine failure, observation 4DTC treatment control computer, through the MLC test software to check the fault information to find fault, analysis of the causes of failure, to solve the problem.ResultsAfter scientific analysis, symptomatic treatment, the effective elimination of failure, the system returned to normal operation, maintenance and maintenance for the machine has accumulated experience.Conclusion The use of MLC is high and easy to malfunction. To explore a set of effective method to repair the MLC fault can improve the machine performance, to ensure that the effect of the intensity of radiation therapy.