Shape memory fasteners and method of use

Details Shape memory fasteners and method of use Shape memory fasteners and method of use

A - Human Necessities

61

L

A61L 31/06 (2006.01) A61B 17/064 (2006.01) A61L 31/04 (2006.01) A61L 31/14 (2006.01)

Patent

CA 2716708

A surgical fastener configured to close an opening in tissue is provided. The surgical fastener includes a base defining a central axis at least one pair of legs extending from the base. Each of the legs includes a base portion and a tissue engaging portion. When in a first position, each of the tissue engaging portions is arranged to define an insertion direction and when in a second position, each of the tissue engaging portions extends inward towards the central axis. The surgical fastener is at least partially formed from a shape memory material including a combination of Polydioxanone and Poly(L-lactide) or a combination of Trimethylene Carbonate and Poly(L-lactide). The pair of legs are configured to move from the first position to the second position upon activation of the shape memory material.

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