Surgical instrument attachment system

A - Human Necessities – 61 – M

Patent

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Details

A61M 25/18 (2006.01) A61B 1/012 (2006.01) A61B 17/32 (2006.01)

Patent

CA 2513906

A surgical implement for use with a handpiece of a surgical instrument for performing a surgical treatment, comprises: an outer tube member including an outer hub and an outer tube extending longitudinally from the outer hub, the outer tube and the outer hub defining a longitudinal bore, the outer hub having a generally circular outer surface and including a circumferential locking groove and a key for releasable attachment of the outer tube member to the surgical instrument; and, an inner tube member including an inner hub and an inner tube extending longitudinally from the inner hub, the inner tube and the inner hub defining a longitudinal bore, the inner tube configured to insert within the longitudinal bore of the outer tube member and including an end effect portion disposed adjacent to a distal end of the inner tube, the inner hub having a generally circular outer surface and including a plurality of bosses radially formed on the outer surface thereof for releasably connecting the inner tube member to an actuator of the surgical instrument for performing the surgical treatment. A surgical instrument having a coupling for releasable attachment of the surgical implement is also disclosed.

Accessoire chirurgical destiné à être utilisé avec une pièce à main d'un instrument chirurgical pour un traitement chirurgical, lequel accessoire comprend : un élément de tube externe comprenant un moyeu externe et un tube extérieur s'étendant longitudinalement à partir du moyeu externe, le tube externe et le moyeu externe définissant un alésage longitudinal, le moyeu externe présentant une surface externe généralement circulaire et comprenant une rainure de verrouillage circonférentielle et une clé pour fixer de manière amovible l'élément de tube externe à l'instrument chirurgical; et, un élément de tube interne comprenant un moyeu interne et un tube interne s'étendant longitudinalement à partir du moyeu interne, le tube interne et le moyeu interne définissant un alésage longitudinal, le tube interne configuré pour s'insérer à l'intérieur de l'alésage longitudinal de l'élément de tube externe et comprenant une partie d'effet d'extrémité disposée de manière adjacente à une extrémité distale du tube interne, le moyeu interne présentant une surface externe généralement circulaire et comprenant une pluralité de bosses formées radialement sur la surface externe de celui-ci pour relier de manière amovible l'élément de tube interne à un actionneur de l'instrument chirurgical afin de réaliser le traitement chirurgical. Est également décrit un instrument chirurgical comprenant un accouplement pour la fixation amovible de l'accessoire chirurgical.

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