Automatically operable safety shield system for syringes

Details Automatically operable safety shield system for syringes Automatically operable safety shield system for syringes

A - Human Necessities

61

M

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

Patent

CA 2398066

An automatically operable safety shield system (10) for use with a syringe (60) comprises: an inner holder (20) into which said syringe (60) may be inserted; an outer shield (30) mounted outwards from said inner holder (20) axially movable between retracted and extended positions; a spring positioned between said inner holder (20) and said outer shield (30), urging said outer shield (30) to its extended position; said inner holder (20) having at least one first opening (130), distally thereto, at least one first indentation (170), and said outer shield (30) having at least one first stop member (300) engageable with said opening (130) when said outer shield (30) is in said retracted position engageable with said first indentation (170) when said outer shield (30) is in said extended position; the outer shield may be released from its retracted position by action of a trigger positioned within said inner holder or by a protrusion on the syringe plunger.

L'invention porte sur un dispositif (10) de protection de sûreté à fonctionnement automatique pour seringue (60) comportant: une enveloppe intérieure (20) ou s'insère la seringue (60); une protection extérieure (30) entourant l'enveloppe et pouvant se déplacer axialement entre une position rétractée à une position déployée; un ressort placé entre l'enveloppe (20) et la protection (30) et rappelant la protection vers sa position déployée. L'enveloppe (20) présente au moins une première ouverture (130) distale et au moins une première encoche (170). La protection (30) présente au moins un premier élément d'arrêt (300) pouvant s'engager dans la première ouverture lorsque la protection (30) est en position rétractée, et dans la première encoche (170) lorsque la protection (30) est en position déployée. La protection (30) peut quitter sa position rétractée sous l'action d'une gâchette placée sur l'enveloppe (20) ou d'un doigt placé sur le piston de la seringue.

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