device for accessing dry powder within a sealed chamber, dry powder inhaler, and method for dispensing dry powder from a sealed chamber to a subject's airway

摘要

A device for accessing dry powder within a sealed chamber is described. the device includes a hollow housing having a proximal end opening, a primary distal end opening and a secondary distal end opening, at least one wing structure extending from the outer surface of the housing that is positioned distally from the primary distal opening. Also described is a dry powder inhaler having a housing, a penetrating member for accessing dry powder within a sealed chamber and a mouthpiece, wherein the mouthpiece is connected to the proximal end opening of the penetrating member and wherein at least a portion of the The distal end of the penetrating member is positioned within the inhaler housing.