在1975年动物实验基础上,1979年9月将输精管硬化节育术用于临床,共行手术267例,效果满意。此术是用36％甲醛溶液10毫升与95％乙醇溶液90毫升滤过混合,配制成硬化剂,注射于输精管,使管腔闭塞达到节育目的。此术可防止感染、性机能改变等并发症,且需要时可以复通,故为求者乐于接受。 On the basis of animal experiments in 1975, cesarean section was used in clinic in September 1979, and 267 cases were operated together with satisfactory results. This technique is to use 36% formaldehyde solution 10 ml and 95% ethanol solution 90 ml filtered mixture, formulated as a hardener, injected in the vas deferens, the lumen occlusion to achieve the purpose of birth control. This technique can prevent infection, changes in sexual function and other complications, and if necessary, can pass, so for those who are willing to accept.