Devices, systems, and methods for closure of cardiac openings

Details Devices, systems, and methods for closure of cardiac openings Devices, systems, and methods for closure of cardiac openings

A - Human Necessities

61

B

A61B 17/00 (2006.01)

Patent

CA 2553940

The invention generally relates to devices, systems, and methods for percutaneous closure of cardiac openings and obliteration of the cardiac cul- de-sacs. In one embodiment, a closure device includes a patch with an adhesive and/or a removable frame. The patch may be placed across a cardiac opening, such as a patent foramen ovale, or across a cardiac cul-de-sac, such as a left atrial appendage. In another embodiment, a closure device includes a balloon together with adhesive and/or substances for stimulating tissue growth coated on, or contained within, the balloon. The balloon may be inserted into a cardiac opening, such as the patent foramen ovale, or into a cardiac cul-de- sac, such as a left atrial appendage.

L'invention concerne, d'une manière générale, des dispositifs, des systèmes et des procédés de fermeture percutanée d'ouvertures cardiaques et d'oblitération des cul-de-sacs cardiaques. Dans un mode de réalisation, un dispositif de fermeture comprend un timbre doté d'un cadre adhésif et/ou amovible. Le timbre peut être placé sur une ouverture cardiaque, telle qu'un foramen ovale persistent, ou sur un cul-de-sac cardiaque, tel qu'un appendice auriculaire gauche. Dans un autre mode de réalisation, un dispositif de fermeture comprend un ballonnet conjointement avec des adhésifs et/ou des substances permettant de stimuler la croissance de tissus revêtus sur le ballonnet ou contenus dans celui-ci. Le ballonnet peut être introduit dans une ouverture cardiaque, telle que le foramen ovale persistent ou dans un cul-de-sac cardiaque, tel l'appendice auriculaire gauche.

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