| abstract |
A pen-type drug delivery device comprises a housing member (1) suitable for containing a drug, a dose setting member (4) which is movable with respect to the housing member (1) in order to set a dose of the drug to be delivered, and a button member (5), wherein the dose is delivered when the button member (5) is moved with respect to the housing member (1) from a first position to a second position. The drug delivery device comprises a luminous marker (30, 31, 32, 33) positioned on at least one of the housing member (1), the dose setting member (4) and the button member (5). |