Disposable hypodermic syringe with locking protective sheath

A - Human Necessities – 61 – M

Patent

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Details

A61M 5/32 (2006.01)

Patent

CA 2389005

The invention concerns a safety device for syringe equipped with a collapsible head. The inventive device enables, when the injection is over, the return element to move back the syringe body inside the sheath into a safe position, thereby causing the syringe body to retract into the sheath. Thus all accidental contact with said needle becomes impossible. By means of the collapsible head of the sheath which, in extended position, covers the part of the syringe body extending beyond the rear end of the sheath, the syringe is maintained in the sheath and cannot be released therefrom by its rear end.

La présente invention concerne un dispositif de sécurité pour seringue qui est muni d'une tête télescopique. Grâce au dispositif selon l'invention, lorsque l'injection du produit est terminée, l'organe de rappel fait remonter le corps de la seringue dans le fourreau en position de sécurité, ce qui provoque le retrait de l'aiguille de la seringue à l'intérieur du fourreau. Tout contact accidentel avec cette aiguille devient alors impossible. Grâce à la tête télescopique du fourreau qui, en position sortie, enveloppe la partie du corps de seringue dépassant de l'extrémité arrière du fourreau, la seringue est retenue dans le fourreau et ne peut s'en échapper par son extrémité arrière.

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