Covered stents with degradable barbs

A - Human Necessities – 61 – F

Patent

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Details

A61F 2/06 (2006.01) A61F 2/02 (2006.01)

Patent

CA 2465362

The present invention is directed at a removable stent for providing reinforcement to a selected region of a selected body lumen including a resilient cylindrical layer, including at least one bioresorbable extrusion exterior from the resilient cylindrical layer for resisting migration of the removable stent when the removable stent is positioned in the selected region of the selected body lumen. The present invention also includes a temporary implantable endoprosthesis which includes a tubular, radially compressible and axially flexible structure, including at least one bioresorbable extrusion exterior from the resilient cylindrical layer for resisting migration of the removable stent when the removable stent is positioned in the selected region of the selected body lumen.

L'invention a trait à un stent amovible permettant de renforcer une région sélectionnée d'une lumière de corps sélectionnée et comprenant une couche cylindrique résiliente. Ce stent comporte au moins une extrusion bioresorbable extérieure à la couche cylindrique résiliente permettant de résister à la migration du stent amovible lorsque le stent est placé dans la région sélectionnée de la lumière de corps sélectionnée. L'invention concerne également une endoprothèse inplantable temporairement qui comprend une structure tubulaire, radialement compressible et flexible axialement, comprenant au moins une extrusion biorésorbable extérieure à la couche cylindrique résiliente permettant de résister à la migration du stent amovible lorsque ce stent est placé dans la région sélectionnée de ladite lumière de corps.

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