Patent attributes
A device for injection of a medicament includes a housing having distal and proximal end openings; a needle guard extending from the proximal end opening and movable relative to the housing from an extended position to a retracted position, in which the needle guard is biased toward the extended position; an activation member extending from the distal end opening and movable relative to the housing from an initial position to a final position; a lock that restricts movement of the activation member in the final position; and a needle guard lock that restricts movement of the needle guard from the extended position to the retracted position when the activation member is in the final position. A method of assembling the medicament delivery device is also disclosed.