A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 5/178 (2006.01) A61M 5/315 (2006.01)
Patent
CA 2762027
A dose setting mechanism for a drug delivery device is disclosed. The mechanism comprises an outer housing (17) and an inner housing (5) having an external groove (30; 31). The inner housing guides a driver (7, 9) having either a blocking or locking member (11; 11') disposed inside the driver that can lock a flexible tab (21) to an internal groove during dose delivery in the inner housing such that the driver follows the path of the groove and to advance a spindle to move a cartridge bung. A dial sleeve (3) is disposed between the outer and inner housing and is rotatably engaged with the inner housing.
L'invention concerne un mécanisme doseur pour dispositif de distribution de médicament, qui comprend un boîtier externe (17), et un boîtier interne (5) creusé d'une rainure extérieure. Le boîtier interne guide un mécanisme d'entraînement (7, 9) à l'intérieur duquel un élément de blocage ou de verrouillage (11; 11') peut bloquer une languette souple (21) dans une rainure intérieure au cours de la distribution d'une dose dans le boîtier interne, de sorte que le mécanisme d'entraînement suive le tracé de la rainure et fasse avancer la tige pour déplacer la bonde d'une cartouche. Un manchon à cadran (3) est disposé entre le boîtier externe et le boîtier interne et entre en prise de rotation avec ce dernier.
Jones Christopher
Plumptre David
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Sanofi-Aventis Deutschland Gmbh
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