In June 2009, he began testing a prototype version by implanting two different valves.
Over the last six years, he has continued to make adjustments and improve his invention.
Once it passes through, it mixes with seminal fluids and forms semen unless men undergo surgery to close the tubes.
According to Planned Parenthood, without sperm, ejaculation fluids cannot cause pregnancy.
Professor Vandenbroucke-Grauls is head of Department of Medical Microbiology & Infection Control at the VU University Medical Center.
For over ten years she served as chair of the Dutch Working Party on Infection Control.
This year, the company is looking to recruit 25 men to test out the efficacy of their prototype, in hopes of having a final product ready for sale by 2018.The device "Bimek SLV," named after the inventor, is the size of a gummy bear and could change the future of vasectomies.The tiny valve is surgically implanted and attached to the vas deferens, or the spermatic ducts sperm moves through during ejaculation.Andreas Voss, Editor-in-Chief Dr Voss is a professor of Infection Control at the Radboud University Medical Centre, and clinical microbiologist and head infection control at Canisius-Wilhelmina Hospital, Nijmegen, The Netherlands.He holds an MD and Ph D from the Faculty of Medical Science of the Technical University in Munich, was a Fellow-Associate at the University of Iowa Clinics and Hospitals, and holds another Ph D from the Radboud University Medical Centre.Professor Voss served on many, professional boards (ESCMID, SHEA, ISC, ICAN, NVMM), is a former program director of ECCMID, a member of the WHO core-group on hand hygiene, and Co-chair of the International Conference on Prevention and Infection Control (ICPIC).