An apparatus (10) for replacing a heart valve having at least two native valve valves (90, 92), said apparatus comprising: an expandable support member (40) having first (42) and second (44) ends arranged in opposition and a main body part (46) extending between said ends (42, 44), said main body part (46) of said support member (40) having an annular shape to expand to its position in the ring of the heart valve； said first end (42) of said support member (40) comprising a plurality of upper wing members (60) extending from said main body part (46), each of said upper wing members (60) being able to move from a radially retracted state to a radially extended state to engage a first section of cardiac tissue that surrounds one side of the heart valve； said second end (44) of said support member (40) comprising a plurality of lower wing members (70) extending in a single piece from said main body part (46), each of said wing members being able to lower (70) move from a radially folded state to a radially extended state to engage a part of the native valve leaflets in order to hold the leaflets back against the ring of the native heart valve； and a prosthetic valve (12) secured within said main body part (46) of said support member body (40), said prosthetic valve (12) having at least two valve valves (90, 92) that are adjustable to allow unidirectional flow of blood, joining each of said at least two valve valves (90, 92) in at least two commissural sections (47) that are separated from each other, characterized in that said second end (44) of said member ( 40) support also includes at least two brace members (45) that are spaced apart from each other and are securely attached to the support member (40) and extend generally axially therefrom, each being said to At least two commissural sections (47) attached to a respective one of said brace members (45) to prevent the prolapse of said valve valves (90, 92).Un aparato (10) para sustituir una válvula cardíaca que tien
