瓦里安Trilogy直线加速器疑难故障解决二例

Two example of solving di ffi cult faults in varian trilogy linear accelerator

日常使用瓦里安Trilogy直线加速器时常会遇到不同类型的连锁故障,有剂量连锁、主要连锁、次要连锁等。其中剂量连锁不常见,本文详细分析了瓦里安Trilogy直线加速器在出现剂量连锁ION1、ION2和EXQ1、EXQ2时的故障排除和解决办法,这种解决思路和方法在临床工作中有效且实用,可以较迅速解决这种连锁故障,恢复设备正常运行。

The daily use of Varian Trilogy linear accelerators often encounter dif ferent types of linkage failures,including dose linkage,major linkage,and minor linkage.In this paper,the troubleshooting and solution of Varian Trilogy linear accelerator in the presence of dose-linked ION1,ION2,EXQ1 and EXQ2 are analyzed in detail.This solution is ef fective and practical in clinical work,and can quickly solve the chain failure and restore the normal operation of the equipment.