Syringe guard with selected needle configurations

Details Syringe guard with selected needle configurations Syringe guard with selected needle configurations

A - Human Necessities

61

M

A61M 5/32 (2006.01) A61M 5/31 (2006.01) A61M 5/315 (2006.01)

Patent

CA 2642052

A device for expelling a fluid through a needle mounted on a hub includes an elongated luer member that has a distal portion dimensioned to engage the needle hub to provide fluid communication between the luer member and the needle. An adapter anchors the luer member within the device. Slidingly mounted on the adapter is a cylindrical-shaped inverted plunger that is movable thereon between an advanced position and a withdrawn position. A needle guard is biased by a biasing member to extend distally from the luer member when the plunger is in the advanced position. The guard is selectively engageable with the plunger to be retracted to expose the distal portion of the luer member for fluid engagement with the needle hub when the plunger is moved to the withdrawn position.

L'invention concerne un dispositif destiné à expulser un fluide au travers d'une aiguille montée sur un embout, comportant un élément Luer allongé présentant une partie distale conçue pour s'encastrer avec l'embout d'aiguille afin d'établir la communication fluidique entre l'élément Luer et l'aiguille. Un adaptateur fixe l'élément Luer dans le dispositif. Un piston inversé de forme cylindrique est monté de façon à coulisser sur l'adaptateur, entre une position d'avancement et une position de retrait. Un capot d'aiguille est précontraint par un élément de précontrainte de manière à s'étendre de façon distale à partir de l'élément Luer lorsque le piston est en position d'avancement. Le capot peut s'encastrer sélectivement avec le piston de manière à être retiré afin d'exposer la partie distale de l'élément Luer pour la communication fluidique avec l'embout d'aiguille lorsque le piston est amené en position de retrait.

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