本组６４例男性复杂性肾结石患者，其中３４例在ＥＳＷＬ前用膀胱镜向患肾插入输尿管导管，末端推入膀胱留置体内以替代Ｄｏｕｂｌｅ－Ｊ管内引流。结果：２个月碎石排净率为９１．７％，平均置管４０天，无明显感染及膀胱刺激征。此方法与安置Ｄｏｕｂｌｅ－Ｊ管比较，无需特殊器械与麻醉，操作简单，同样安全有效。缺点是不适于女性患者。 This group of 64 patients with complex renal calculi, 34 patients before ESWL cystoscopy to the affected kidney with ureteral catheter inserted into the bladder into the body to replace the Double-J tube drainage. Results: The clearance rate of gravel at 2 months was 91.7% and the average catheter was placed for 40 days without obvious infection and bladder irritation. This method compared with the placement of Double-J tube, without special equipment and anesthesia, simple operation, the same safe and effective. The disadvantage is not suitable for female patients.