Patent ID: 9272094
Filing Date: 2016-03-01
CPC Classification: A61M

Claim Text:
1. A drug delivery device comprising: a housing with a proximal end and a distal end, a cartridge holder adapted to retain a cartridge, the cartridge holder being secured to the housing and having an at least partially transparent side wall, and a removable cap that completely covers a distal end of the drug delivery device, and that must be removed before the drug delivery device can be used to inject a dose of medication, the cap rotationally fixed with respect to the housing and the cap comprising a window aperture, the window aperture being capable of displaying information revealed by the cartridge holder, wherein the displayed information includes a dosage scale on the cartridge holder; wherein the cap comprises at least one orientation feature aligned with the window aperture and being capable of engaging into a mating orientation feature defined by the housing and aligned with the dosage scale so as to rotationally fix the cap with respect to the housing and to align the window aperture over the dosage scale.