Inner housing for a drug delivery device

Details Inner housing for a drug delivery device Inner housing for a drug delivery device

A - Human Necessities

61

M

A61M 5/315 (2006.01)

Patent

CA 2762012

A dose setting mechanism (4; 200) for a drug delivery device is disclosed. The mechanism comprises an outer housing (40; 204) and an inner housing (208) having an external groove. The inner housing guides a driver (30; 209) to dispense a set dose. A dial sleeve (10; 206) is disposed between the outer and inner housing and is rotatably engaged with the inner housing. When a dose is set, the dial sleeve is rotated and translates away from both the outer housing and the inner housing.

L'invention concerne un mécanisme doseur (4; 200) pour dispositif de distribution de médicament, qui comprend un boîtier externe (40; 204), et un boîtier interne (208) présentant une rainure extérieure. Le boîtier interne amène un organe d'entraînement (30; 209) à distribuer une dose fixée. Un manchon à cadran (10; 206) disposé entre le un boîtier externe et le boîtier interne entre en prise rotative avec ce dernier. Lorsqu'une dose est fixée, le manchon à cadran tourne et se déplace loin du boîtier externe et du boîtier interne.

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