Device for injecting apportioned doses of liquid drug

A - Human Necessities – 61 – M

Patent

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Details

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

Patent

CA 2711653

A mechanical injection device (1) for injecting apportioned doses of liquid drug. The injection device (1) comprises a dose setting means, an injection means, a removable cap (15) and a cap receiving part (9) adapted to abut or engage with the cap (15) when the cap (15) is mounted on the injection device (1). The dose setting means is operatively coupled to the cap receiving part (9) in such a manner that mounting and/or dismounting of the cap (15) on/from the injection device (1) causes the dose setting means to set a dose. Thereby a correct dose of drug is automatically set during a cap on/cap off cycle. Since such a cycle is normally performed between two subsequent injections, the number of steps required to be performed by the user is reduced.

L'invention concerne un dispositif mécanique (1) d'injection destiné à injecter des doses réparties d'un médicament liquide. Le dispositif (1) d'injection comprend un moyen de réglage de dose, un moyen d'injection, un capuchon amovible (15) et une partie (9) réceptrice de capuchon prévue pour être en contact ou coopérer avec le capuchon (15) lorsque celui-ci est monté sur le dispositif (1) d'injection. Le moyen de réglage de dose est couplé fonctionnellement à la partie (9) réceptrice de capuchon de telle manière que le fait de monter et / ou de démonter le capuchon (15) sur le dispositif (1) d'injection amène le moyen de réglage de dose à régler une dose. Une dose correcte de médicament est ainsi réglée automatiquement au cours d'un cycle de bouchage / débouchage. Comme un tel cycle est normalement réalisé entre deux injections successives, le nombre d'étapes à être exécutées par l'utilisateur se trouve réduit.

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