Thin film devices for occlusion of a vessel

Details Thin film devices for occlusion of a vessel Thin film devices for occlusion of a vessel

A - Human Necessities

61

B

A61B 17/00 (2006.01) A61B 17/03 (2006.01) A61F 2/82 (2006.01) A61L 31/02 (2006.01)

Patent

CA 2580609

Thin film devices implantable within a human subject for occlusion of an aneurysm or body vessel are provided. The devices are movable from an elongated, collapsed configuration for delivery to a deployed configuration within the body. Such an occlusion device includes a thin film mesh attached to a carrying frame. The carrying frame is moveable between a collapsed configuration and an expanded configuration. The thin film mesh can include a plurality of slits, slots and/or pores that typically vary in degree of openness as the carrying frame moves between the collapsed and the expanded configurations. The occlusion device is positioned within a blood vessel so that the thin film mesh substantially reduces or completely blocks blood flow to a diseased portion of a blood vessel.

L'invention concerne des dispositifs de films minces implantables à l'intérieur d'un patient humain pour une occlusion d'anévrisme ou de vaisseau corporel. Les dispositif de l'invention sont mobiles d'une configuration aplatie allongée destinée à son administration, à une configuration déployée à l'intérieur du corps. Un tel dispositif d'occlusion comprend un maillage de films minces fixé sur une structure porteuse. La structure porteuse est mobile entre une configuration aplatie et une configuration dilatée. Le maillage de films minces peut comprendre une pluralité de fentes, de rainures et/ou de pores qui varient typiquement dans leur degré d'ouverture, lors du déplacement de la structure entre la configuration aplatie et la configuration dilatée. Le dispositif d'occlusion de l'invention est positionné à l'intérieur d'un vaisseau sanguin, de sorte que le maillage de films minces réduit sensiblement ou obstrue complètement l'écoulement sanguin jusqu'à une partie malade d'un vaisseau sanguin.

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