The vas deferens is the tube which runs from the testicle to the penis hence the name vasectomy. There is one on each side so it needs dealing with on each. The non scalpel technique was developed by a Chinese professor in Shanghai is now the preferred methods due to its low rate of infection and bruising

Vasectomy has no effect on sex drive which depend s on the male sex hormone testosterone which is secreted directly into the blood stream by the testes, ejaculation is the same because vasectomy only prevents sperm being present in the ejaculate most of which is produce by the seminal vesicles which are not affected by vasectomy. As the procedure is under local anaesthetic it is not necessary to starve and there is no shaving required. However for safety reasons it is not recommended that one drives home.