Balloon cannula with over-center clamp

Details Balloon cannula with over-center clamp Balloon cannula with over-center clamp

A - Human Necessities

61

B

A61B 17/00 (2006.01) A61B 17/34 (2006.01) B25B 5/12 (2006.01) B25B 5/14 (2006.01)

Patent

CA 2447100

There is disclosed a skin seal (10) and anchoring cannula (12) for use in surgery. The skin seal (10) generally includes a distally extending flexible or compressable member (22) and a latch assembly (20) to secure the skin seal (10) about a shaft (26) of the cannula. Preferably the latch assembly (20) is of an over the center clamp or lock design. The disclosed cannula is preferably a balloon tip cannula having an inflation port (34) and a lumen (66) communicating within the interior of the balloon (32) so as to inflate the balloon (32). There is also a method of securing a cannula to tissue, preferably an abdominal wall, utilizing the disclosed balloon tip cannula and skin seal.

L'invention concerne une canule de fermeture cutanée et d'ancrage servant en chirurgie. La fermeture cutanée comprend généralement un élément compressible ou flexible à extension distale et un ensemble de fixation pour fixer la fermeture cutanée à un axe de la canule. L'ensemble de fixation est de préférence un clamp décentré ou une clavette décentrée. La canule selon l'invention est de préférence une canule à ballonnet comportant un orifice d'insufflation et une lumière en communication avec l'intérieur du ballonnet pour le gonfler. La présente invention porte également sur un procédé pour fixer une canule à un tissu, notamment la paroi abdominale, en faisant appel à la canule à ballonnet et à la fermeture cutanée de l'invention.

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