An apparatus is provided for treating regurgitation of blood flow through a diseased heart valve. The apparatus includes an annular support member and at least one posterior leaflet support member. The annular support member has an anterior end portion, a posterior end portion, and oppositely disposed first and second intermediate portions extending between the end portions. The at least one posterior leaflet support member is securely connected to the annular support member and is dimensioned to extend across a portion of a free edge of a posterior valve leaflet. The posterior leaflet support member comprises an arcuate center portion integrally formed with and extending between first and second end portions. The arcuate center portion has a concave shape relative to the anterior end portion. At least one of the first and second end portions is securely attached to the posterior end portion.
