Syringe with retractable needle assembly

Details Syringe with retractable needle assembly Syringe with retractable needle assembly

A - Human Necessities

61

M

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

Patent

CA 2275255

An improved syringe of the type having a hollow body which is closed at one end by an injection means and is open at the other end, the open end receives an elongated plunger means which moves through the hollow body and forces the contents of the body through the injection means. The improvement is comprised of an elastic member which retracts the injection means into a protective covering.

L'invention concerne une seringue perfectionnée du type ayant un corps creux fermé par un dispositif d'injection à l'une de ses extrémités et ouvert à l'autre. L'extrémité ouverte reçoit un piston de forme allongée qui glisse dans le corps creux et expulse le contenu du corps à travers le dispositif d'injection. L'amélioration réside dans le fait qu'un élément élastique rétracte le dispositif d'injection dans une gaine protectrice.

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