Devices and methods for anchoring tissue

Details Devices and methods for anchoring tissue Devices and methods for anchoring tissue

A - Human Necessities

61

B

A61B 17/064 (2006.01) A61B 17/00 (2006.01) A61F 2/24 (2006.01)

Patent

CA 2618500

Anchors, anchoring systems, anchor delivery devices, and method of using anchors are described. An anchor may be a flexible anchor having two curved legs that cross in a single turning direction to form a loop, wherein the legs are adapted to penetrate tissue. The ends of the curved legs may be blunt or sharp. The anchor can assume different configurations such as a deployed configuration and a delivery configuration, and the anchor may switch between these different configurations. In operation, the anchor may be inserted into tissue by releasing the anchor from a delivery configuration so that the anchor self-expands into the deployed configuration, so that the legs of the anchor may penetrate the tissue in a curved pathway.

L~invention concerne des éléments d~ancrage, des systèmes d~ancrage, des dispositifs de distribution d~éléments d~ancrage et des procédés d~utilisation d~éléments d~ancrage. Un élément d~ancrage peut prendre la forme d~un élément d~ancrage souple présentant deux pattes incurvées qui se croisent suivant un sens de rotation pour former une boucle, les pattes étant conçues pour pénétrer dans le tissu. Les extrémités des pattes incurvées peuvent être émoussées ou tranchantes. L~élément d~ancrage peut adopter plusieurs configurations différentes, telles qu~une configuration déployée et une configuration de distribution, et peut passer d~une configuration à l~autre. En pratique, l~élément d~ancrage peut être inséré dans le tissu en passant de la configuration de distribution à la configuration déployée dans laquelle il se dilate automatiquement pour permettre aux pattes de pénétrer dans le tissu en suivant un trajet incurvé.

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