Conventional vasectomy is performed under local anesthesia. The infiltration of the local anesthesia is at the operation site and not perivasal. A scalpel is then used to make either one midline incision or two incisions overlying each vas deferens; the incision or incisions are 1.5–3 cm long (Fig. 7). No special instruments are used to grasp the vas, the vas is grasped using the towel clip or Allis forceps. The dissection to locate the vas involves a much wider area than with NSV or other MIVs. After occlusion of the vasa using the surgeon's preferred technique, the incision or incisions are closed with sutures.