Current surveys indicate that cauterization of the vasal lumen during vasectomy is the most frequently employed method of vasal occlusion. About 70% of all vasectomists occlude with cautery.
However, a method that involves cauterizing the lumen and interposing the vasal sheath has gained wide acceptance in recent years. In 2012, a document entitled "Vasectomy: AUA Guideline", noted the following...
"Given the large number of patients evaluated, the overall consistently low failure rates, and the low failure rate from the single high-quality study, the panel judged that this vas occlusion technique is likely to be consistently effective."
