IMPLANTIERBARE VENTILFOERMIGE HERZPROTHESE

摘要

A cardiac valve prosthesis comprising an annular metal element into which an occluding element having a truncated cone shape, is half-floatingly mounted, said annular element being provided with means cooperating with said occluding element for defining the maximum aperture of the valve, and abutting elements having very small overall dimensions, arranged in the upstream portion of said annular element, which portion defines the closure position of the occluding element of the prosthesis.