Transseptal cannula, tip, delivery system, and method

A - Human Necessities – 61 – M

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A61M 1/10 (2006.01) A61M 25/04 (2006.01)

Patent

CA 2702609

A transseptal cannula assembly (224) for directing blood from the heart (104) of a patient and a minimally invasive method of implanting the same. The transseptal cannula assembly (224) includes a flexible cannula body (226) having proximal and distal portions with a lumen there between, a tip (228) coupled to the distal portion of the flexible cannula body (226), and first and second anchors (230, 232) coupled to the tip (228). The anchors (230, 232) can be configured to be deployed from a contracted state to an expanded state and are configured to engage opposite sides of the heart tissue (102) when in the expanded state. The anchors (230, 232) resist movement of the cannula assembly (224) along a lengthwise central axis of the flexible cannula body (226).

L'invention concerne un ensemble de canule transseptale (224) pour diriger le sang provenant du cur (104) d'un patient et un procédé à invasion minimale d'implantation de celui-ci. L'ensemble de canule transseptale (224) comprend un corps de canule flexible (226) ayant des parties proximale et distale entre lesquelles se trouve une lumière, un embout (228) couplé à la partie distale du corps de canule flexible (226), et des première et seconde ancres (230, 232) couplées à l'embout (228). Les ancres (230, 232) peuvent être configurées pour être déployées dans un état contracté à un état étendu et sont configurées pour coopérer avec des côtés opposés du tissu cardiaque (102) lorsqu'elles sont dans l'état étendu. Les ancres (230, 232) résistent au mouvement de l'ensemble de canule (224) le long d'un axe central longitudinal du corps de canule flexible (226).

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