Results The overall successful operation rate for all level of ureteral stones in single procedure was 93%(67/72),while the upper one and mid-lower were 87%(26/30) and 98%(41/42),respectively.

• 合并输尿管壁段狭窄5例、合并结石下方息肉形成19例、合并同侧肾积水68例。 结果单次手术成功率93%25(67/72),其中上段单次手术成功率87%25(26/30),中下段98%25(41/42)。