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在放射治疗中,特别是妇科肿瘤,腔内治疗是一重要的方法之一。目前国内许多单位都采用了 BUCHLER 公司的后装机,但对该机的临床剂量尚有讨论之处。布克勒(BUCHLER)后装机由三个通道组成,中间通道是插入宫体的移动放射源,两侧通道是放至穹窿的固定源,中间通道的放射源可根据使用不同的程序盘而在应用管内作不同轨迹的运动,若将不同程序的
In radiotherapy, especially gynecological cancer, endovascular treatment is one of the most important methods. At present, many domestic units have adopted BUCHLER’s after-loading machine, but there are still discussions about the clinical dose of this machine. The BUCHLER rear loading machine consists of three channels. The middle channel is a mobile radiation source inserted into the chamber. The channels on both sides are fixed sources to the cesium. The radioactive sources in the middle channel can be used according to different program disks. Application of different trajectories in the tube, if different procedures