Patent ID: 9440030
Filing Date: 2016-09-13
CPC Classification: A61M

Claim Text:
1. A medicament delivery device, comprising: a housing having at least one housing part and configured to receive a medicament container; a driver configured to act on a stopper in the medicament container and comprising a torsion drive spring; a dose setting member operably connected to the driver such that manually turning the dose setting member causes a tensioning of the torsion drive spring; and an activation mechanism having an activation button protruding through a distal end of the medicament delivery device and being operably connected to the driver such that actuation of the activation mechanism releases the driver, whereby a set dose of medicament is delivered; wherein the driver further comprises: and the activation mechanism comprises actuation members attached to the activation button and extending in the proximal direction of the medicament delivery device, a drive nut lock member attached to the actuation members and releasably engaging and locking the drive nut via cooperating locking members until the actuation button is moved in the proximal direction, whereby the drive nut is released.