我科 1 997年 1 1月～ 1 999年 1 0月对 2例输尿管梗阻患者采用一侧同时平行放置两根双 J管进行治疗 ,使之引流通畅 ,有效地解除了输尿管梗阻 ,现报告如下。1　资料与方法1 .1　一般资料本组 2例 ,男女各 1例 ,年龄 34和 46岁。 1例为双侧输尿管上段结石在外院手术后发生梗阻 , Our department from January 1999 to January 1999 1 0 months on 2 cases of ureteral obstruction using one side at the same time parallel to place two double J tube for treatment, so that the drainage of patency, effective in relieving ureteral obstruction, are as follows . 1 Materials and Methods 1.1 General Information The group of 2 patients, 1 male and female, aged 34 and 46 years old. One case of bilateral ureteral stones in the upper extremity surgery after obstruction occurred,