MULTI-UNIT DOSE DRY POWDER INHALER AND METHODS OF USE

Abstract: exemplary multi-unit dose dry powder inhaler devices may be provided with a housing body having a swirl chamber therein, at least one air inlet, a mouthpiece, a rotatable downfall wheel having at least two capsule spaces that are each configured to hold a capsule, a drive mechanism configured to repeatably index the downfall wheel in a predefined angular increment such that one of the capsule spaces moves adjacent to the swirl chamber each time the downfall wheel is indexed, and a pair of side ramps adjacent to the swirl chamber and the downfall wheel. the side ramps may be configured to cooperate with center ramps located in the capsule spaces to drive a capsule radially outward from a capsule space and into the swirl chamber, thereby enabling the device to automatically load multiple capsules one at a time sequentially into the swirl chamber. methods of use are also provided.

Inventor(s): Avi ELIAHU, Alice Sylvia HO, Alex DRIVER, Julia ALLWRIGHT, Charlie LOWNDES

CPC Classification: A61M15/0026 (Inhalators {(drug delivery in endotracheal tubes )})

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