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为了改变常规的输精管结扎方法,采用在输精管上按置金属夹,以阻断精子通路,国外有关这方面的研究首先是Samuel(1)在1966年报告,他仿脑血管银夹钳创制的U型钽夹,临床应用1007例效果良好。1971年Jhaver(2)以如上的钽夹作了13只狗的动物实验,证实单夹不如双夹可靠,去除钽夹后有使管腔再通的可能性。1976年Moss(3)仍采用钽夹临床应用1300例无失败率。国内陕西省渭南地区张绳武(4)于1977年报告,采用
In order to change the conventional method of vasectomy, the use of metal clips on the vas deferens to block sperm access, foreign research in this area is first Samuel (1) reported in 1966, he imitated the silver vascular clamp created U Type tantalum clip, the clinical application of 1007 cases of good results. In 1971, Jhaver (2) made animal experiments on 13 dogs with the same tantalum clip, confirming that single clip is not as reliable as double clip and that there is a possibility of recanalization of the lumen after removal of the tantalum clip. 1976 Moss (3) still use tantalum clamp clinical application of 1300 cases without failure. Zhang Weinu, Weinan Region, Shaanxi Province, China (4) Reported and adopted in 1977