Importance

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Abstract

Prosthesis for the replacement of heart valves, with a valve ring (10) with a radius R, in which at least two substantially elongated wing valves (12, 14, 16) are mounted so as to rotate about in each case an axis (18) located in the ring plane, the axes (18) in the projection on the ring plane having a distance of 0.5 R to 0.9 R from the center of the ring plane and the edges of the inwardly directed portions engage in flush manner on the edges of the corresponding portions of the other wing valves (12, 14, 16) and in the area (20) of the wing valves (12, 14, 16) pointing in the flow direction in the opened state thereof, said valves are provided with a bevel (24), constructed as a sharp break-away edge (22), running from the outside to the inside in the flow direction.

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First Claim