A vasectomy is a procedure that makes a man sterile, rendering the man incapable of fathering a child. In this operation, part of the tube that carries the sperm into the semen is cut and closed at the ends. This tube is called the vas deferens.
A no-scalpel vasectomy (NSV) is a simplified way of getting to the vas deferens. Popularity has increased since introduced to the West about 10 years ago.
Instead of cutting, the scrotal skin is punctured with a fine instrument. The vas is gently lifted out of the puncture site, where it is divided and blocked with cautery and small clips. This method is safe and reliable, about 8 times less likely than a traditional vasectomy to develop a hematoma or infection. There is usually little or no pain, during or after the operation.
There are 2 methods to block the vas deferens:
Evidence now suggests that the open-ended closure is preferable. It has no higher failure rate, has less incidence of pain, and is more often successful if reversed.
Techniques of blocking the vas can vary from surgeon to surgeon. The following are examples of various blocking techniques that can be combined or used alone:
Over 99% of these operations are successful. In rare cases, sperm manages to "recanalize" an opening around the blockage. It is important to use alternative birth control until the semen is checked to make sure the operation has worked successfully, about 6 weeks post-operation. If the semen is clear of sperm, you get the green light to stop birth control.
It is recommended to get a second semen sample approximately a month later for extra assurance that recanalization has not occurred.
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