Double wall stent with retrieval member

Details Double wall stent with retrieval member Double wall stent with retrieval member

A - Human Necessities

61

F

A61F 2/84 (2006.01) A61F 2/86 (2006.01)

Patent

CA 2700554

A double wall stent assembly (200) is described in which an inner stent (210) is deployed within an outer stent (220). The inner stent may be attached to the outer stent by various mechanisms, including a male (230) and female receiving end (240) or by an adhesive. After the inner stent has become clogged, a retrieval member may be inserted into the lumen of the inner stent to detach the inner stent from the outer stent. The clogged inner stent is thereafter removed from the body lumen leaving the outer stent in place.

L'invention concerne un assemblage de stent à double paroi (200) dans lequel un stent interne (210) se déploie à l'intérieur d'un stent externe (220). Le stent interne peut être fixé au stent externe par divers mécanismes, notamment un élément mâle (230) et une extrémité réceptrice femelle (240) ou par un adhésif. Après colmatage du stent interne, un élément de retrait peut être inséré dans la lumière du stent interne pour le détacher du stent externe. Le stent interne colmaté est ensuite retiré de la lumière du corps en laissant en place le stent externe.

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