Heart valve

A - Human Necessities – 61 – F

Patent

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Details

A61F 2/24 (2006.01)

Patent

CA 2749026

A heart valve (600) includes a valve body (330) made of a flexible material such as pericardium. The valve body is made of two layers of material, an outer lay-er, and an inner layer that defines a plurality of leaflets. The leaflets of the inner layer are attached to the outer lay-er. In some embodiments the valve body is made by cut-ting a single piece of flat source tissue, folding the cut tis-sue and forming it into a tubular pattern having the inner and outer layers. The multi-layer valve body can be mounted on a stent (500) for delivery within a patient's heart.

La présente invention concerne une valvule cardiaque (600) qui inclut un corps de valvule (330) fait d'un matériau flexible tel que le péricarde. Ledit corps de valvule est fait de deux couches de matériau, d'une couche externe, et d'une couche interne qui définit une pluralité de folioles. Les folioles de la couche interne sont fixées sur la couche externe. Dans certains modes de réalisation, le corps de valvule est fait en coupant un morceau unique de tissu source plat, en pliant le tissu coupé et en lui donnant la forme d'un modèle tubulaire doté de la couche interne et de la couche externe. Le corps de valvule multicouche peut être monté sur une endoprothèse (500) afin d'être posé dans le cur d'un patient.

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