经对449例输精管切除1cm,两断端单纯结扎并加石炭酸烧灼的对象进行了术前和术后0.5至18月的系统精液检查及其配偶的孕情调查,证实输精管自发性再通占7.8％,且其中未避孕的妻子有1/3妊娠。木后18个月的观察结果还表明,90.6％的自发性再通发生在9月以内,而且距手术时间越短发生率相对越高。由于输精管切除1cm,两断端单纯结扎法再通率高达7.8％,故不宜继续采用此法。 After 449 cases of vasectomy 1cm, the two ends of the simple ligation and carbolic acid cautery in patients with preoperative and postoperative 0.5 to 18 months of semen examination and their spouses pregnancy survey confirmed vas deferens spontaneous recanalization accounted for 7.8 %, And of which one third of pregnant women who have not contracted pregnancy. Observations after 18 months of wood also showed that 90.6% of spontaneous recanalization occurred within September and that the shorter the time from surgery, the higher the incidence. As the vasectomy 1cm, the two ends of the simple ligation method, the high pass rate of 7.8%, it should not continue to use this method.