Pericardium management tool and method for intra-pericardial...

A - Human Necessities – 61 – B

Patent

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A61B 17/34 (2006.01) A61B 17/285 (2006.01)

Patent

CA 2654372

A tool and method for managing the pericardium during intra-pericardial procedures such as the delivery of cardiac support devices. One embodiment of the tool includes a tubular body of low friction material having a diameter, a fixed lip on an exterior end and an extendable lip on an interior end. The extendable lip moves with respect to the body between a retracted state and an expanded state. The tool is inserted through an incision in the pericardium and deployed by moving the lip to the expanded state. When deployed a barrier portion of the body engages the edges of the incision and the extendable lip lines the inside of the pericardium around the incision.

L'invention concerne un outil et un procédé de gestion du péricarde lors d'interventions intrapéricardiques telles que l'implantation de dispositifs de support cardiaque. Dans un mode de réalisation, l'outil comprend un élément tubulaire en matériau à coefficient de frottement réduit et présentant un diamètre, une lèvre fixe sur une extrémité externe et une lèvre extensible sur une extrémité interne. La lèvre extensible se déplace relativement à l'élément entre un état rétracté et un état étendu. L'outil est inséré par une incision faite dans le péricarde et il est déployé par déplacement de la lèvre à l'état étendu. A l'état déployé, une partie barrière de l'élément se met en prise avec les bords de l'incision et la lèvre extensible recouvre l'intérieur du péricarde autour de l'incision.

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