Patent ID: 8596267

Claim:
In an inhaler ( 1 ) for delivery of an inhalation formulation from a band-shaped blister strip ( 2 ) with a plurality of blister pockets ( 3 ) containing the inhalation formulation in doses, comprising a piercing member ( 7 ) to puncture a lid of an aligned blister pocket ( 3 ), the inhaler ( 1 ) being designed such that by breathing in during inhalation an air stream ( 9 ) of ambient air can be sucked or delivered in order to discharge the respective dose from an opened blister pocket ( 3 ) and to deliver the dose with the ambient air as an aerosol cloud ( 11 ), the improvement which is characterized by the inhaler ( 1 ) comprising a marking device ( 17 ) for marking the blister strip ( 2 ) or blister pockets ( 3 ) where the marking device ( 17 ) comprises a marking means ( 18 ) for fixture onto the blister strip ( 2 ) wherein the marking means ( 18 ) comprises multiple parts or pieces or can be separated into multiple parts or pieces, in particular the multiple parts or pieces being respectively associated to one blister pocket ( 3 ) or a group of blister pockets ( 3 ).