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目的:为输精管外科、尤其长段输精管缺损再吻合提供解剖学基础。方法:观察18具成人尸体的输精管行程,测量输精管各段的长度及输精管末端至皮下环的距离。结果:输精管从皮下环经腹环到壶腹,行程中绕了个大弯。使输精管直接从外环穿出,消除该弯曲,可缩短输精管6.1～12.9(9.31±1.30)cm。输精管各段的长度分别为:睾丸段3.2～5.6(4.53±0.79)cm,精索段4.5～9.5(7.31±1.78)cm,腹股沟段4.4～7.5(5.52±0.74)cm,盆段12.5～19.5(16.75±1.87)cm,壶腹段2.9～3.8(3.63±0.23)cm。输精管长度、各段长度、两侧对比无显著差异性。结论:①游离输精管使之不经腹环和腹股沟管而直接从皮下环穿出可缩短输精管行程6.1～12.9 (9.31±1.30)cm,这是长段输精管缺损,缩短行程手术学再通的解剖学基础。②两侧输精管各段及总长度差异无显著性。③输精管的外科手术与各段位置密切相关。
OBJECTIVE: To provide an anatomical basis for vas deferens surgery, especially long-term vas deferens defect re-anastomosis. Methods: Eighteen adult cadaveric vas deferens were observed for stroke length and length of vas deferens and the distance between the vas deferens and the subcutaneous ring. Results: vas deferens from the subcutaneous ring through the abdominal ring to the ampulla, the journey around a big bend. So that the vas deferens piercing directly from the outer ring to eliminate the curvature, can shorten the vas deferens 6.1 ~ 12.9 (9.31 ± 1.30) cm. The lengths of the vas deferens were 3.2 ~ 5.6 (4.53 ± 0.79) cm in the testicular segment, 4.5 ~ 9.5 (7.31 ± 1.78) cm in the spermatic cord segment, 4.4 ~ 7.5 (5.52 ± 0.74) cm in the inguinal segment and 12.5 ~ 19.5 (16.75 ± 1.87) cm, while the ampulla was 2.9-3.8 (3.63 ± 0.23) cm. Vas deferens length, length of each segment, no significant difference between the two sides. Conclusions: ① The free vas deferens could be punctured directly from the subcutaneous ring without the abdominal ring and the inguinal canal to shorten the vas deferens stroke ranged from 6.1 to 12.9 (9.31 ± 1.30) cm, which was an anatomical study of recanalization of long-term vas deferens Fundamentals of learning. ② both sides of the vas deferens segments and the total length was no significant difference. ③ vas deferens surgery and the location of each segment is closely related.