在 5 8例复杂性肾结石、输尿管结石、输尿管损伤及狭窄等手术中应用双J管作内引流和内支架 ,置管方法分手术中和内窥镜两种 ,留管时间 1～ 2个月。结果术后没有发现伤口漏尿、感染等并发症 ,认为采用双J管具有内支架和内引流的双重作用、操作简单、并发症少等优点。 In 58 cases of complex renal stone, ureteral calculi, ureteral injury and stenosis and other surgery double J tube for internal drainage and stent, sub-surgery and endoscopy in two ways, leaving time of 1 to 2 month. Results No complications such as leakage of urine and infection were found after operation. It is considered that the double J tube has the dual function of internal stent and internal drainage, and has the advantages of simple operation and less complications.