Methods Two-dimensional ultrasound and CDFI were applied on 419 patients with ureterolith.

方法应用二维超及CDFI对419输石病人进行超检查。

Objective:To observe clinical effect and complications of treating ureterolith through aerodynamic trajectory lithotrity by ureterorenoscope(URS).

观察经输镜行气压弹道碎石治疗输石的临床疗效及并发症。