输精管注射绝育术是一种经阴囊皮肤直接穿刺,输精管注入石碳酸“504”混合剂(“504”属氰基丙烯酸酯类药物),使管腔阻塞的绝育方法。我们学习四川省重庆市工人医院经验,通过500例一年近期随访,没有出现局部出血、血肿和化脓感染,但局部注药段炎症反应明显,有40例出现不同程度的自觉症状,少数伴有精索急性炎症。这主要由于局部药液的刺激,操作技术不熟练,如过多挤捏,反复穿刺,控制注药长度不够,适应症掌握不严等原因。在远期随访中发现局部硬结与周围组织有粘连者,仍有自觉症状,这主 Vas deferens injection sterilization is a direct puncture of the skin through the scrotum, vas deferens injected with carbolic acid “504” mixture (“504” is a cyanoacrylate drugs), the cavity obstruction sterilization method. We learned from the experience of Chongqing Workers’ Hospital in Sichuan Province. No local hemorrhage, hematoma and suppurative infection were observed in 500 recent one-year follow-up visits. However, there were obvious inflammatory reactions in local injection, with 40 patients showing some degree of subjective symptoms. Spermatic cord acute inflammation. This is mainly due to the stimulation of the local liquid, unskilled operating techniques, such as excessive squeeze, repeated puncture, injection length control is not enough, indications lax mastery and other reasons. In the long-term follow-up found in local tissue and surrounding tissue adhesions, there are still symptoms, the main