A medical stent with a valve and related methods of...

Details A medical stent with a valve and related methods of... A medical stent with a valve and related methods of...

A - Human Necessities

61

F

A61F 2/04 (2006.01) A61F 2/24 (2006.01) A61F 2/06 (2006.01)

Patent

CA 2429255

Medical stents having valves and their methods of manufacture are disclosed. The valve may be basket-shaped and formed integral to a medical stent to prevent undesirable backflow across the valve. The valve can be formed by converting the braided wires of the stent, by providing elastomeric material onto a mold or fixture to form an elastomeric valve, or by attaching a gasket valve. The valve is normally closed but configured to allow easy opening in response to a predetermined condition.

Cette invention concerne des stents médicaux équipés de valves et leurs procédés de fabrication. La valve, qui peut se présenter sous la forme d'une corbeille et être intégrée au stent médical, est destinée à empêcher un reflux indésirable à son niveau. Pour la réalisation de cette valve, on peut utiliser les fils tressés du stent, un élastomère moulé ou sur un support, ou bien fixer une valve en corbeille au stent. Cette valve, qui est normalement fermée, est conçue pour s'ouvrir facilement en réponse à un état prédéterminé.

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