US Patent 11147924 Medicament delivery device and method of assembling the same

Disclosed is an example device for injecting a medicament. The example device includes a housing having a distal end opening and a proximal end opening; a needle guard extending from the proximal end opening; an activation member extending from the distal end opening and movable relative to the housing from an initial position to a final position; and a final position lock disposed on an inner surface of the housing and configured to restrict movement of the activation member relative to the housing when the activation member is in the final position. An example method of assembling a device for injecting a medicament is also disclosed.