CPC A61M 5/31541 (2013.01) [A61M 5/24 (2013.01); A61M 5/3155 (2013.01); A61M 5/31525 (2013.01); A61M 5/31551 (2013.01); A61M 5/31568 (2013.01); A61M 5/31585 (2013.01); A61M 2005/3126 (2013.01)] | 10 Claims |
1. A drug delivery device comprising:
a housing;
a dose setting mechanism operable by a user to select a dose of a medicament to be dispensed from the drug delivery device;
a cartridge holder for retaining a pre-filled cartridge containing the medicament;
a piston rod displaceable relative to the cartridge holder;
a driver coupled to the piston rod;
a display member for indicating the selected dose and being coupled to the housing and to the driver;
a clutch mechanism that is formed by the display member and a button, wherein the button is coupled to the display member and the driver;
wherein the housing comprises a transparent or translucent outer body which forms a one-piece component with the cartridge holder, and at least a part of the outer body is coated by an opaque layer;
wherein the drug delivery device is a disposable device, and the pre-filled cartridge is not replaceable and not removable from the drug delivery device without destroying the drug delivery device, wherein a total quantity of components of the drug delivery device including the cartridge and a cap for shielding the cartridge holder is ten or fewer.
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