Contraceptive semen blocker for men has valve positioned in sperm duct and actuated by external pressure

摘要

The contraceptive semen blocker is positioned in the male sperm duct and is actuated by external pressure. It has connectors (5) for the deferens and a housing (1) with a bore to receive a valve (2). The housing has V-shaped grooves to receive a wedge (11) of the valve.