Surgical incision into a valve.
A surgical operation to cut into a valve to make it open wider.
Incision into a valve to correct a defect and permit its normal function of opening and closing to control the flow of a fluid.
An open-heart surgical procedure in which a damaged heart valve is cut in order to open it; also known as a valvulotomy.
Surgical cutting through a valve. The term is usually used to describe the operation to relieve obstruction caused by stenosed valves in the heart.
An operation that opens a stenosed heart valve and allows it to function properly. Various techniques are used, including a dilating instrument, a balloon or open-heart surgery.
A surgical procedure aimed at treating a constricted heart valve by either making incisions or applying pressure to separate the fused valve flaps, thereby alleviating the narrowing. Valvotomy can be carried out through open-heart surgery or via balloon valvuloplasty.