介入治疗是一种解决临床疑难病的新方法 ,由于其具有创伤小、疗效快的特点 ,正在国内外得到广泛应用。但介入治疗时Ｘ线曝光量大、曝光时间长、距球管和散射体近 ,使操作者受到大剂量的Ｘ线照射 ,这种情况随着介入治疗的进一步开展 ,对操作者的辐射危害将越来越严重 ,他们的放? Interventional therapy is a new method to solve difficult clinical problems. It has been widely used both at home and abroad due to its characteristics of small trauma and rapid curative effect. However, X-ray exposure during interventional therapy is large, exposure time is long, away from the tube and scatterer near, so that the operator by high-dose X-ray irradiation, this situation with the interventional treatment to further carry out the radiation hazard to the operator Will be more serious, their release?