Patent ID: 6890352

Claim:
Vessel valve comprising a sleeve or ring having a central opening and openable and closeable flap elements intended to allow the flow of blood through the central opening in one direction, the flap elements are designed as circle segments, wherein the sector angel is 360 ⁢ ° n and wherein n is a number of circle segments and is equal to 3, 4, 5 or 6, and wherein each flap element at its outer edge is pivotably connected to an inwardly directed flange on the inside of the sleeve or ring so that in closed position they co-operate to form a sealing body and in open position allow free passage of blood, wherein the sleeve or ring is composed of n sections, whose pair-wise juxtaposed ends form recesses in the flange accommodating hinge elements which are arranged in the middle of the outer edge of each of the flap elements and which with assembled sections are locked by undercutting, wherein said recesses comprise juxtaposed semi-spheres arranged at a distance from each other and between which the hinge element provided with a corresponding semi-spheric extension is pivotably anchored, and wherein the hinge element is flat and designed in one piece with the flap element.