Flexible external cannula sheath

Details Flexible external cannula sheath Flexible external cannula sheath

A - Human Necessities

61

B

A61B 17/34 (2006.01)

Patent

CA 2678185

A flexible external cannula sheath assembly includes a tubular member having a proximal end portion and a distal end portion and a seal positioned adjacent the distal end portion of the tubular member. The seal defines a hole in a central portion thereof for receiving surgical instruments therethrough. The flexible sheath is formed of a flexible material and is configured and dimensioned to surround an external surface of a cannula. The seal is displaced a predetermined distance from a distal end of the cannula to provide additional flexibility to the assembly.

La présente invention concerne un ensemble gaine de canule externe souple, qui comprend un élément tubulaire possédant une partie d'extrémité proximale, une partie d'extrémité distale et un joint placé de manière adjacente à la partie d'extrémité distale de l'élément tubulaire. Un trou défini dans la partie centrale du joint est destiné à recevoir des instruments chirurgicaux. La gaine souple est constituée d'un matériau souple et possède une forme et des dimensions lui permettant d'environner la surface externe d'une canule. Le déplacement du joint sur une distance prédéterminée depuis une extrémité distale de la canule permet de doter l'ensemble de davantage de souplesse.

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