Valve port and method for vascular access

Details Valve port and method for vascular access Valve port and method for vascular access

A - Human Necessities

61

M

A61M 39/02 (2006.01) A61M 1/14 (2006.01)

Patent

CA 2387774

Valved ports (10) for accessing blood vessels and other body lumens include a lock mechanism which locks the valve fully open when a needle or other access tube is placed into the port. The lock mechanism includes a latch typically comprising one or more laterally deflectable elements, such as a pair of opposed balls (40). The deflected elements are pushed outwardly by the needle to engage a recess (44) in the port (10) which locks the valve open until the needle (N) is removed.

La présente invention concerne des orifices de clapets (10), destinés à permettre l'accès à des vaisseaux sanguins et à d'autres lumières corporelles, qui comprennent un mécanisme de verrouillage bloquant le clapet en position complètement ouverte lorsqu'une aiguille ou un autre conduit d'accès est engagé dans l'orifice. Le mécanisme de verrouillage comprend un verrou comportant ordinairement un ou plusieurs éléments latéraux qui peuvent être écartés, tels qu'une paire de billes opposées (40). Les éléments écartés sont poussés vers l'extérieur par l'aiguille afin d'engager un creux (44) pratiqué dans l'orifice (10), ce qui verrouille le clapet en position ouverte jusqu'à ce que l'aiguille (N) soit retirée.

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