Patent ID: 8663172

Claim:
A medicated module attachable to a drug delivery device, comprising, a. a housing having a proximal end and a distal end, where the proximal end has a connector configured for attachment to a drug delivery device; b. a reservoir in the housing comprising a first medicament; c. a guard configured to move in an axial direction during application to an injection site and arranged to serve as a needle guard that can reduce the risk of accidental needle sticks; and d. a moveable selector wherein the selector is operably connected to the guard such that the selector is moveable to two or more predetermined positions, said positions comprising: a first position where the guard is prevented from moving axially and the first medicament in the reservoir is not allowed to be dispensed, and a second position where the guard is free to move axially and the first medicament in the reservoir is allowed to be dispensed.