Inhaler

摘要

An inhalation device comprising a base having a slot for insertion of a single blister containing a dose of medicament to be inhaled into the base is disclosed. The inhaler has a mouthpiece pivotably mounted to the base which carries a blister piercing element operable to pierce a blister received in said slot when the mouthpiece is pivoted relative to the base. When a user inhales on the mouthpiece, the dose is entrained in an airflow and flows out of the blister through the mouthpiece and into the user's airway.

主权项

1. A blister piercing element for a dry powder inhalation device comprising a plate having a plurality of peripheral blister piercing blades bent out of the plane of the plate along fold lines to form clean air inlet flow openings through the plate, wherein each blade points away from each of the other peripheral piercing blades and the fold lines of each peripheral piercing blade lies substantially at 90 degrees to the fold line of each of the adjacent peripheral piercing blades, the blister piercing element further comprising a central piercing blade surrounded by the peripheral piercing blades, the central piercing blade being bent out of the plane of the plate along a fold line.