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US 2013/0274681 A1Published application
Medicament delivery device
AssigneeSHL Group AB
InventorsLucio Giambattista, Antonio Bendek
Life of this patent
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Abstract
A dose setting mechanism for a medicament delivery device is presented having a pinion mounted to a locking member where the axis of rotation of the pinion is offset and parallel to the longitudinal axis of the housing containing the dose setting components. Primary and secondary dose members are engaged with the pinion to indicate a set dose of medicament.
Claims14
A does setting mechanism for a medicament delivery device comprising,
- a housing having a longitudinal axis;
- a lead screw configured to rotate and move axially relative to the housing;
- a locking member adjacent the lead screw and configured to be in a non-activated position and an activated position;
- a pinion connected to the locking member and having an axis of rotation offset and parallel to the longitudinal axis;
- and
- a plunger rotationally fixed to and axially slidable relative to the lead screw,
- wherein the locking member is configured to prevent axial movement of the lead screw in the non-activated position.
4 more elements
A does setting mechanism for a medicament delivery device comprising,
- a housing having a longitudinal axis;
- a nut rotationally fixed and longitudinally slidable relative to the housing;
- a spring biasing the nut in a distal direction;
- a locking member configured to be in a non-activated position and an activated position;
- a pinion connected to the locking member and having an axis of rotation offset and parallel to the longitudinal axis;
- a plunger rod threadedly engaged with the nut;
- and
- a lead screw rotationally fixed to and axially slidable relative to the plunger rod,
- wherein the locking member is configured to allow axial movement of the lead screw in the activated position.
6 more elements
Dependencies are inferred from the claim text.