Heart valve procedures are medical procedures used to repair or replace damaged heart valves. These procedures can be used to treat a variety of conditions, including valve stenosis, valve regurgitation, and valve prolapse. During the procedure, a surgeon will make an incision in the chest and access
From Wikipedia
An artificial heart valve is a one-way valve implanted into a person's heart to replace a heart valve that is not functioning properly. Artificial heart valves can be separated into three broad classes: mechanical heart valves, bioprosthetic tissue valves and engineered tissue valves.