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经阴囊输精管直接穿刺术运用于输精管注射绝育法及精道造影.国内自1971年由重庆市级一工人医院等使用后,目前已在计划生育及泌尿科临床工作中广泛开展.穿刺的成功不仅是注射及造影顺利的先决条件.而且可以避免损伤及后遗症.我们通过近千例输精管穿刺临床实验,对其中较疑难者,有如下体会:一、输精管是附睾的延续,起自附睾尾部,止于射精管.全长约40～50cm,直径约0.3cm.全程可分四段:睾丸段、精索段、腹股沟段和盆腔段.在腹股沟皮下环以下部分位置较为浅表,处于精索内侧,通过
The direct use of the scrotum vas deferens puncture vas deferens used for sterilization and fine contrast imaging.China since 1971 by the Chongqing Municipal Workers Hospital, etc., has now been widely carried out in family planning and urology clinical work.Puncture success is not only Is a prerequisite for the success of injection and radiography.And to avoid damage and sequelae.We have passed through nearly a thousand cases of vas deferens clinical trials, more difficult for them, as follows: First, the vas deferens is a continuation of the epididymis, starting from the epididymis tail, only The length of about 40 ~ 50cm, diameter of about 0.3cm. The whole can be divided into four sections: testicular segment, spermatic cord segment, inguinal segment and pelvic segment in the inguinal subcutaneous ring below the location of some of the more shallow table in the spermatic cord medial ,by