AU2006324482B2 — Medicament dispenser

USPTO Abstract

There is provided a medicament dispenser device for the delivery of medicament powder from an open blister pocket (404a,b) of at least one blister pack (400a,b). The dispenser device comprises a housing (420) having an air inlet (470); enclosed by the housing, a dispensing mechanism (440, 448a,b) for the dispensing of medicament powder from an open blister pocket; and associated with the dispensing mechanism and in communication with the air inlet, a manifold (450). The manifold comprises a body, the body defining a chimney (452) having a chimney inlet (453) and a chimney exit (454a,b) for directing airflow (483) from said chimney inlet to said chimney exit; the body further defining a chamber (460) having a chamber inlet (473a,b) and a chamber exit (474), wherein the chimney exit and said chamber inlet lie side-by-side each other such that when said open blister pocket of said blister pack is positioned adjacent thereto said airflow may be directed from the chimney exit to the chamber inlet via the open blister pocket to entrain said medicament powder and enable transport thereof. In use, the airflow is drawn into the chimney of the manifold solely through the air inlet provided to the housing.