Methods The double J rubes were used as internal drainage in the operation of upper urinary tract in 86 patients with complicated nephrolithiasis,ureteral calculi,ureteroplvic junction obstruction.

• 方法对86例复杂性肾结石、输尿管结石、输尿管狭窄、肾盂输尿管连接部梗阻患者,在上尿路手术中应用双J管作内支架,内引流。