US Patent 11590277 Drug delivery device with activation prevention feature

A wearable drug delivery device includes an injector having a housing, a reservoir, a needle or cannula, a drive mechanism for urging drug product out of the reservoir, through the needle or cannula, and to a patient, and an activator mechanism disposed on a surface of the housing for activating the drive mechanism. An activation prevention mechanism is coupled to the injector housing and/or activation prevention mechanism to prevent inadvertent actuation of the activator mechanism.