The Starr-Edwards valve is a silicone ball that is held in a small cage that is sown into the heart.
Courtesy Sally McLoughlin
Miles Lowell Edwards, Heart Valve Inventor
Miles Lowell Edwards, Heart Valve Inventor
The Starr-Edwards valve is a silicone ball that is held in a small cage that is sown into the heart.
Courtesy Sally McLoughlin
GardenHomeHistory.com 
