Reusable trocar assembly

Details Reusable trocar assembly Reusable trocar assembly

A - Human Necessities

61

B

A61B 17/34 (2006.01) A61B 17/00 (2006.01) A61B 19/00 (2006.01)

Patent

CA 2213540

The invention relates to a reusable trocar assembly which combines the optimal features of reusable and disposable trocars. The invention provides a reusable trocar assembly comprising a handle portion having an aperture suitably configured to define an entry port for a surgical instrument adapted for use in laparoscopic or endoscopic surgical procedures; a valve assembly comprising a tubular member having first valve retaining means; a housing portion having second valve retaining means; a silicone valve which engages and is retained by said first and second valve retaining means; a cannula defining a lumen for the passage of said surgical instrument; and attachment means for releasably securing said cannula to said housing and said housing to said valve assembly. Preferably, the components (housing, valve assembly and cannula) will be attachable by means of a bayonet-style mount, to permit easy disengagement of the components for cleaning and valve replacement.

L'invention concerne un ensemble de trocart réutilisable combinant les propriétés optimales des trocarts réutilisables et jetables. L'invention comprend un ensemble de trocart réutilisable composé d'une portion manche dont l'ouverture est conçue de façon à définir un orifice d'entrée pour un instrument chirurgical adapté aux procédures de laparoscopie ou d'endoscopie; d'un ensemble de valve comprenant un membre tubulaire muni d'un premier dispositif de retenue pour valve; d'une portion boîtier muni d'un second dispositif de retenue pour valve; d'une valve de silicone qui s'insère et est maintenue dans les deux dispositifs de retenue pour valve; d'une canule définissant une lumière pour le passage dudit instrument chirurgical; et d'un dispositif désengageable pour fixer ladite canule audit boîtier et ledit boîtier audit ensemble de valve. Idéalement, les composantes (boîtier, ensemble de valve et canule) doivent être fixées au moyen d'un dispositif de type à baïonnette pour que l'on puisse les désengager pour nettoyer et remplacer les valves.

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