Animal semen collector esp from boar has sleeve with pulsating spiral inner wall to promote ejaculation

摘要

The semen collector has a container to receive the seminal fluid and a tubular body with a vagina-shaped cavity (1) for the animal's penis. The body has a rigid sleeve (6) and a supple membrane (5) with a spiral inner wall forming an air chamber (7) connected to a system for varying the pressure so that the membrane wall pulsates and causes ejaculation.