Trocar assembly

A - Human Necessities – 61 – B

Patent

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Details

A61B 17/34 (2006.01) A61B 17/28 (2006.01) A61B 17/32 (2006.01)

Patent

CA 2232685

An obturator assembly for penetrating body tissue, includes a handle assembly (16) having a finger-actuated trigger (22) member, a sleeve member (12) connected to and extending from the handle assembly (16), an obturator shaft (42) at least partially positioned within the sleeve member (12) and engageable with the finger-actuated trigger member (22) of the handle assembly (16) and a cutting mechanism supported by the distal end portion (46) of the obturator shaft (42). The cutting mechanism is deployable for cutting action upon movement of the trigger member (22). A method of using the obturator assembly is also disclosed.

Un ensemble obturateur utile pour pénétrer dans des tissus corporels comprend un ensemble manche (16) doté d'un élément de déclenchement (22) à actionnement manuel, une canule (12) qui est reliée à l'ensemble manche (12) et s'étend depuis ce dernier (12), une tige (42) d'obturateur qui est au moins partiellement positionnée dans la canule (12) et qui peut se mettre en prise avec l'élément de déclenchement (22) à actionnement manuel de l'ensemble manche (16) et un mécanisme de coupe supporté par la partie terminale distale (46) de la tige (42) d'obturateur. Le mécanisme de coupe se déploie pour effectuer une opération de coupe lorsque l'élément de déclenchement (22) bouge. Un procédé d'utilisation de l'ensemble obturateur et également décrit.

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