Safety insert for single-use disposable syringes

A - Human Necessities – 61 – M

Patent

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Details

A61M 5/50 (2006.01)

Patent

CA 2518972

Safety insert for disposable syringes, comprising at least one attachment means whose point allows advance of the stem during injection of the syringe content and prevents its retraction once said injection is performed on attaching to the inner walls of the cylinder, and having at least one piercing means with a point at its end able to dig into the plunger and pass through its wall, thus breaking the tightness of the compartment of the cylinder intended to contain the substance to be injected when retraction of the stem is attempted following the injection.

Cette insertion de sécurité pour seringues jetables comprend au moins un moyen de fixation dont la pointe permet à la tige d'avancer lorsque le contenu de la seringue est injecté et empêche la tige de revenir en arrière lorsque l'injection est achevée en s'attachant aux parois intérieures du cylindre. L'insertion comprend au moins un moyen perçant avec une pointe à son extrémité susceptible de s'enfoncer dans le piston et de traverser sa paroi, détruisant l'étanchéité du compartiment du cylindre qui contient la substance à injecter lorsque l'on essaie de tirer la tige en arrière après l'injection.

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