1.Accurate anatomical structure, the spermaduct can be touched on the testis.

2.To Practice the general way of Sterilization operation to prevent the sperm output by the ways of Cut off and vasectomy.

3.Non scalpel vasectomy (NSV) new technology operation can be practiced to achieve the goal of blocking sperm output sterilization.

4.Supplied with easy replacement of genitals accessories (containing two testicles and movable scrotal skin and two root vas deferens), then repeatable practice operation can be processed.