The invention will allow surgeons to give patients synthetic heart valves that free them to live lives indistinguishable from ...

Scientists at Queen Mary University of London are developing a newly invented material for creating artificial heart valves as effective as native ...

open as wide as it should, restricting blood flow through the heart ... atrium with a biological valve from a human donor or made from animal tissue from a pig or cow with a mechanical valve ...

Replacement heart valves Restore blood flow through the heart. Biological valves may wear out. Blood clots may stick to mechanical valves - anti-blood clotting drugs need to be taken. Stents Widen ...