UBC Researchers Invent Synthetic Heart Valve (IMAGE) University of British Columbia Okanagan campus Caption Inventors and UBC researchers Guy Fradet (left) and Hadi Mohammadi hold up their synthetic heart tissue. Credit UBC Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.