Importance

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Abstract

An implant valve for implantation in a blood vessel is comprised of a flexible tube and a hollow, substantially cylindrical support with a casing, expandable in diameter from an initial position to an implantation position. The support extends substantially coaxially over a part of the length of the tube along the inner wall of the tube. The casing of the support cooperates with the inner wall of the tube such that, in the implantation position, a first part of the tube can be formed into a rigid shell, which can be clamped substantially coaxially along the inner wall of a blood vessel. A second, axially contiguous part of the tube can then form a flexible, tubular valve body, which can extend substantially clear in the blood vessel. In an advantageous embodiment, the flexible tube comprises a vein turned inside out and the ends of the tube are connected to form a ring embracing the support.

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First Claim