DOSE SETTING MECHANISM FOR PRIMING A DRUG DELIVERY DEVICE

摘要

A drug delivery device is provided comprising a dose setting mechanism (4, 52, 74) having a spindle (124) and a cartridge holder (6, 54, 72) coupled to the dose setting mechanism. The cartridge holder (6, 54, 72) comprising a cartridge having a movable bung at one end of the cartridge. The cartridge holder (6, 54, 72) must be rotated before a dose may set with the dose setting mechanism.