Patent ID: 8267900

Claim:
A medication delivery device comprising: a housing having a proximal and a distal end, a medication receptacle that is not integral with the housing and that is designed to be releasably engaged with the distal end of the housing by engagement of a first engagement means that is part of the medication receptacle with a second engagement means that is part of the housing and a dosing mechanism that is not part of the medication receptacle including a piston rod which is moveable in a distal direction for medication delivery and a drive device for moving the piston rod in the distal direction for medication delivery; wherein the medication receptacle comprises an actuation means for bringing a guiding means that is not part of the medication receptacle in a guiding position in which the guiding means guides the piston rod for medication delivery, wherein the first engagement means and the second engagement means are moveable into engagement during attachment of the medication receptacle to the housing by a movement of the medication receptacle relative to the housing which ends in a rotational movement without axial movement of the medication receptacle with respect to the housing, the actuation means thereby bringing the guiding means in the guiding position.