Safety shield system for prefilled syringe

A - Human Necessities – 61 – M

Patent

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Details

A61M 5/50 (2006.01) A61M 5/32 (2006.01)

Patent

CA 2549474

A medical device is provided which includes a shield system and a syringe which is coupled to the shield system. The shield system includes a syringe holder and a shield which is slidably coupled to the holder. A spring resiliently urges the shield from a retracted position to an extended position. Stop members are provided on the holder and shield for maintaining the shield in the retracted position. The syringe is slidably coupled to the holder, and extends within the shield. Axial movement of the syringe with respect to the holder causes disengagement of the stop members, allowing the spring to move the shield to the extended position. Detents are provided on the holder for maintaining the shield in the extended position.

L'invention concerne un dispositif médical comprenant un système de protection et une seringue qui est accouplée avec le système de protection. Ledit système de protection comprend un porte-seringue et un bouclier qui est accouplé de manière coulissante avec le porte-seringue. Un ressort sollicite le bouclier de manière élastique, d'une position rétractée vers une position étendue. Des éléments d'arrêt sont prévus sur le porte-seringue et le bouclier pour maintenir le bouclier en position rétractée. La seringue est accouplée avec le porte-seringue de manière coulissante, et s'étend dans le bouclier. Le mouvement axial de la seringue par rapport au porte-seringue entraîne le désaccouplement des éléments d'arrêt, ce qui permet au ressort de déplacer le bouclier vers la position étendue. Des éléments de détente sont prévus sur le porte-seringue pour maintenir le bouclier en position étendue.

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