本文报道1例14岁男孩因会阴部骑跨伤致尿道球部完全性损伤病例。术中切开球海棉体肌,见球部尿道全部挫碎,膜部及前列腺尖部也伤及,术中临时决定做膀胱粘膜移植。切除膀胱粘膜4cm×2.5cm,用5～0号肠线连续缝合成管状,以8号橡皮导管做支架、两端用肠线吻合,远端尽量做成斜面吻合。吻合针数 This article reports a case of 14-year-old boy due to perineal riding injury caused by complete destruction of the urethral bulb cases. Intraoperative incision ball seaweed muscle, see all the Department of urethral ball smash, membrane and prostatic apex injury, intraoperative temporary decision to do bladder mucosa transplantation. Excision of the bladder mucosa 4cm × 2.5cm, with 5 to 0 gut continuous suture into a tube, with No. 8 rubber catheter stent, gut at both ends of the anastomosis, distal as far as possible made an anastomosis. Match the needle number