直视钳穿法和穿针固定法直视钳穿法用皮外固定钳,在皮外将输精管固定,用尖头的输精管分离钳暴露,分离输精管。其特点是需用器械少,皮外固定牢靠,手术操作简单,在直视下进行。若熟练掌握,损害小,并发症少。穿针固定法此种方法的节育率可达97.8％,由于方法简单易于掌握,不需要特殊设备,目前河 Straight-view pincer method and needle fixation method Straight-view pliers method with skin fixation clamp, the vas deferens fixed in the skin, with a pointed vasectomy forceps exposure, separation of the vas deferens. It is characterized by the need to use less equipment, solid skin fixation, surgical operation is simple, under direct vision. If you master, less damage, fewer complications. Needle fixation method of this method of up to 97.8% rate of birth control, due to the method is simple and easy to grasp, does not require special equipment, the current river