Method and apparatus for closing a body lumen

Details Method and apparatus for closing a body lumen Method and apparatus for closing a body lumen

A - Human Necessities

61

M

A61M 29/00 (2006.01) A61B 17/00 (2006.01) A61B 17/04 (2006.01) A61B 17/064 (2006.01) A61F 2/24 (2006.01)

Patent

CA 2383595

Disclosed is a closure catheter, for patching or closing a tissue opening such as an atrial septal defect, patent foreman ovale, or the left atrial appendage of the heart. The closure catheter carries a deployable patch (126) and a plurality of tissue anchors (90), which may be deployed to secure the patch to surrounding tissue. The plurality of tissue anchors of the closure catheter may be deployed into tissue surrounding the opening, and used to draw the tissue radially inwardly, to close the body cavity or opening. Methods are also disclosed.

Cette invention concerne un cathéter de fermeture servant à obturer ou de fermer une ouverture dans un tissu tel qu'un défaut septal atrial, un foramen ovale perméable ou un défaut septal auriculaire du coeur. Ce cathéter transporte une pièce déployable (126) et une pluralité d'ancrages (90) destinées à fixer la pièce sur les tissus voisins. Cette pluralité d'ancrages peut être déployée dans le tissu et servir à tirer le tissus radialement vers l'intérieur de manière à fermer une cavité ou une ouverture. L'invention porte également sur des méthodes d'utilisation du dispositif.

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