Catheter valve

A - Human Necessities – 61 – M

Patent

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Details

A61M 25/06 (2006.01) A61M 39/28 (2006.01) A61M 25/00 (2006.01)

Patent

CA 2301278

A cannula valve arrangement which is made from a suitably resilient polymedic material including a body (10) having a substantially cylindrical cavity (16) for receiving a medical apparatus hub (32, 34) and a sleeve (14) having a bore (18), for receiving a cannula (28), which is open into the body cavity characterised in that a zone (20) of the body wall which defines the cavity (16) is convexly bulged from the body (10) and is adapted to snap from its convex shape into a concave shape in the body cavity (16) when pressed over- centre into the body to close the bore (18) of the sleeve (14) to the cavity until again moved outwardly from the cavity (16).

L'invention concerne un agencement de valve à canule composé d'une matière résiliente appropriée de type polymédic comprenant un corps (10) présentant une cavité sensiblement cylindrique (16) destinée à recevoir un embout (32, 43) d'appareil médical ainsi qu'un manchon (14) présentant un passage (18), destiné à recevoir une canule (28), lequel est ouvert dans la cavité du corps et se caractérise en ce qu'une zone (20) de la paroi du corps définissant la cavité (16) est bombée de manière convexe à partir du corps (10) et est adaptée pour passer de sa forme convexe à une forme concave dans la cavité (16) du corps, lorsqu'elle est pressée sur le centre à l'intérieur du corps pour fermer le passage (18) du manchon (14) dans la cavité jusqu'à ce qu'un nouveau mouvement l'amène vers l'extérieur de la cavité (16).

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