Ligating clip with integral cutting guide

A - Human Necessities – 61 – B

Patent

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Details

A61B 17/08 (2006.01)

Patent

CA 2554265

A polymeric, surgical clip (12) having first and second curved legs (22, 24) with each having a pair of opposing side surfaces (52, 54) joined at their proximal ends by a flexible hinge section (26) and movable from an open position to a closed position for clamping a vessel between curved opposing inner surfaces (28). The first leg terminates at its distal end in a female locking member (40), and the second leg member terminates in a male locking member (50) complimentary to the female locking member such that when the first and second leg members are moved from an open position to a closed position about the hinge section the male member is lockingly engaged in the female locking member.

L'invention concerne une agrafe chirurgicale polymère comprenant des premiers et des seconds segments incurvés, chacun ayant une paire de surfaces latérales opposées jointes à leurs extrémités proximales par une partie articulée et se déplaçant d'une position ouverte à une position fermée de manière à clamper un vaisseau entre des surfaces internes opposées. Le premier segment se termine à son extrémité distale dans un élément de verrouillage femelle, et le second segment dans un élément de verrouillage mâle complémentaire de l'élément de verrouillage femelle; ainsi, lorsque les premiers et seconds segments se déplacent d'une position ouverte vers une position fermée autour de la partie articulée, l'élément mâle vient en prise verrouillé dans l'élément de verrouillage femelle. L'agrafe possède au moins un guide tranchant se prolongeant vers l'extérieur à partir et le long d'au moins une partie de la longueur d'au moins une des surfaces latérales d'au moins un des premiers et seconds segments. Le guide tranchant facilite la coupe du tissu ligaturé à distance sécurisée de l'agrafe, de façon à former une collerette tissulaire.

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