Dry powder inhalers that inhibit agglomeration, related devices and methods

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United States of America Patent

PATENT NO 8365725
APP PUB NO 20080127971A1
SERIAL NO

11575178

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Abstract

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The disclosure describes methods and inhalers that deagglomerate dry powder using inspiratory effort of a user of an inhaler. Inhaler fin and mesh configurations are described that facilitate deagglomeration. At least in steady state conditions, a dry powder and airflow pattern can be generated having turbulence with flow vortices, some of which may have a vortex having an axis of rotation that extends in an inspiratory flow direction while others may have a vortex that is substantially orthogonal to the inspiratory flow direction in an inspiratory airflow path, as an amount of dry powder travels through the inhaler to thereby deagglomerate the dry powder without trapping undue amounts of the dry powder during inhalation.

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Patent Owner(s)

  • ORIEL THERAPEUTICS, INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
King, Michael Durham, US 78 1706
LaRoche, Richard D Thetford Center, US 2 88
Lopath, Patrick D Stamford, US 6 496
Warden, Jeffrey Alan Raleigh, US 15 958

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