Tubular cardiac-valve prosthesis and a method of making it

Details Tubular cardiac-valve prosthesis and a method of making it Tubular cardiac-valve prosthesis and a method of making it

A - Human Necessities

61

F

A61F 2/24 (2006.01) A61L 27/18 (2006.01) A61L 27/56 (2006.01) B29C 41/08 (2006.01) B29C 41/14 (2006.01) B29C 69/02 (2006.01) B29C 45/00 (2006.01)

Patent

CA 2423272

The invention relates to a conduit cardiac-valve prosthesis. Said prosthesis consists of a cylindrical tube or a tube provided with bulbous projections with an integrated support housing comprising a base ring, which bears at least two stanchions that are orientated substantially in the direction of the ring axis and are connected by an arc-shaped wall that fixes flexible leaflets. The invention aims to improve the physiological properties of said prosthesis. To achieve this, the tube, the support housing and the leaflets consist of a single material, preferably polyurethane or another polymer and form a one-piece body.

L'invention concerne une prothèse de ventricule cardiaque à conduit composée d'un tuyau cylindrique ou comportant des cavités en forme de bulbes. Ledit tuyau présente un boîtier support intégré pourvu d'un anneau de base portant au moins deux montants orientés essentiellement vers l'axe d'anneau, reliés par une paroi arquée servant à la fixation de voiles flexibles. L'invention vise à améliorer les propriétés physiologiques de ladite prothèse. A cet effet, le tuyau, le boîtier support et les voiles sont réalisés dans un seul matériau, de préférence du polyuréthane ou un autre polymère, et forment un corps d'un seul tenant.

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