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施行绝育性输精管结扎术,研究使用金属夹代替丝线结扎的工作,于1966年Samuel(1)介绍了他的研究,他仿脑血管银夹创制的一种新式U形钽夹,夹内刻有齿槽,在临床应用1007例,效果很好。1971年Jhaver(2)以如上的钽夹做了13只狗的动物实验,证实单夹不可靠,双夹有效,去除钽夹后,有精子可复的可能。为了减少金属夹在阴囊内异物感及其在输精管结扎术中的应用,我们试制成金属夹压环,自1977年9月开始进行动物实验,以期提高手术成功率,改进输精管结扎术的方法。现将这一研究的有关情况介绍于后:
A sterilized vas deferens ligation was performed to study the use of metal clips instead of silk ligation. Samuel (1) introduced his research in 1966, he created a new type of U-shaped tantalum clip created by a silver vascular clip, Gallbladder, 1007 cases in clinical application, the effect is very good. In 1971, Jhaver (2) did animal experiments on 13 dogs with the above tantalum clip, confirming that the single clip is unreliable and that the double clip is effective. After removing the tantalum clip, spermatozoa may be recovered. In order to reduce the metal clip in the scrotum foreign body sensation and vasectomy in the application, we try to create a metal clip ring, since September 1977 began animal experiments in order to improve the success rate of surgery to improve vasectomy method . The relevant information of this research is introduced below: