Medicament injection apparatus, comprising: keep the needle holder of needle Pivotable cartridge-holder, the pivotable cartridge-holder can be pivoted to closed state from opening state, wherein the pivotable cartridge-holder is arranged to receive drug cartridge in the on-state, and wherein when the pivotable cartridge-holder in closed state when, the needle holder can be axially moveable towards the pivotable cartridge-holder.
