英语语法分析

MethodsLUS was utilized in laparoscopic ureterolithotomy for 7 cases of ureterolith to locate the ureter and stone.

方法对7例输尿管上段结石患者在腹腔镜输尿管上段切开取石术中应用LUS对输尿管和结石定位。

Method 17 patients with non-opaque ureterolith calculi were treated with ESWL by intravenous urography(IVU) and retrograde urography(RGU) location.

方法采用顺行加逆行造影联合定位ESWL治疗输尿管阴性结石17例。

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

前言：目的：观察经输尿管肾镜行气压弹道碎石治疗输尿管结石的临床疗效及并发症。