For patients who develop leaky tricuspid valve, a condition known as tricuspid regurgitation. There are special valves being evaluated for this condition. This procedure is also done as a valve in valve procedure for patients who have failed previously implanted surgical valves. tricuspid valve has three leaflets, or flaps, that control blood flow and direction. In some people, this valve does not function correctly, and they are said to have tricuspid valve disease.