Patent attributes
A medicament delivery device is presented having a housing, and a medicament container holder arranged movable in a longitudinal direction in relation to the housing. The medicament container holder is arranged to accommodate a medicament container, is arranged as a multi-chamber container having a medicament and a diluent in different chambers, a plunger rod operably arranged to act on the medicament container, a retaining element capable of releasably retaining the plunger rod to the housing, actuation force elements capable of, upon activation, moving the medicament container holder in relation to the housing such that the plunger rod acts on the medicament container for mixing the medicament and the diluent.