Vessel closure member and delivery apparatus

Details Vessel closure member and delivery apparatus Vessel closure member and delivery apparatus

A - Human Necessities

61

B

A61B 17/00 (2006.01) A61B 17/12 (2006.01) A61F 6/24 (2006.01)

Patent

CA 2452449

An apparatus which includes a closure member and delivery systems for closing vessels in the body of a patient is disclosed. In one embodiment, the closure member is a hemostatic closure member having a cylindrical shape and an expandable volume on contact with fluids. The hemostatic member includes a functional passageway through the length of the member so that it may be mounted over a delivery catheter or wire guide for delivery against a vessel puncture or into another vacuslar environment, such as to fill an aneurysm sac. In another embodiment the closure member is a fallopian tube closure member which is deployed into the fallopian tube over a guide wire to prevent conception. The fallopian tube member includes a loop-shaped frame having barbs, a first layer of material, a binding wire, a second layer of material, and an expandable volume on contact with fluids.

L'invention a trait à un appareil comprenant un élément de fermeture et des systèmes d'administration destinés à fermer des vaisseaux dans le corps d'un patient. Dans un mode de réalisation, l'élément de fermeture est un élément de fermeture hémostatique de forme cylindrique et dont le volume est extensible au contact avec des fluides. L'élément hémostatique comprend un passage fonctionnel à travers la longueur de l'élément de façon à pouvoir être monté sur un guide fil ou un cathéter d'administration permettant une administration contre une perforation d'un vaisseau ou à l'intérieur d'un autre environnement vasculaire, de façon à remplir un sac anévrismal. Dans un autre mode de réalisation, l'élément de fermeture est un élément de fermeture d'une trompe de Fallope qui est déployé dans celle-ci sur un fil guide à des fins contraceptives. L'élément de fermeture de la trompe de Fallope comprend une monture en forme de boucle présentant des barbes, une première couche de matière, un fil d'attache, une seconde couche de matière, et un volume extensible au contact avec des fluides.

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