Patent ID: 8443798

Claim:
An inhaler comprising a housing to receive a plurality of blisters each having a puncturable lid and containing a dose of medicament for inhalation by a user, a mouthpiece through which a dose of medicament is inhaled by a user and, an actuator operable to sequentially move each blister into alignment with a blister piercing member, said actuator also being operable to cause the blister piercing member to puncture the lid of an aligned blister such that, when a user inhales through the mouthpiece, an airflow through the blister is generated to entrain the dose contained therein and carry it out of the blister and via the mouthpiece into the user's airway, wherein the housing includes a chamber to receive used blisters, said chamber being covered by a lid attached to the housing which is openable to facilitate removal of a portion of used blisters from the blisters remaining in the inhaler and wherein a slot is formed between the lid and the housing when the lid is closed through which used blisters may protrude when the used blister chamber is full.