Dry-powder inhaler

摘要

A method of assembling an inhaler for delivering dry-powder medicament to a patient from an open blister pocket (3) of a blister pack (1), the inhaler comprising: a housing for enclosing used and unused portions of the blister pack (1) together with a medicament dispensing mechanism; and a manifold through which air can be drawn in use of the inhaler, the manifold comprising an air inlet (125) for receiving external air, at least one medicament aperture (127a, 127b) for communicating with an opened pocket (3) of the blister pack (1) to enable entrainment of the medicament by the air drawn through the manifold, and an air outlet (129) for delivery of the entrained medicament to the patient, and a guide surface (117) for guiding the cover sheet (7) of the unused portion of the blister pack (1), wherein the manifold and the guide surface (117) are defined by separate components of the inhaler.