Intrapulmonary drug delivery within therapeutically relevant inspiratory flow/volume values

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO

5509404

SERIAL NO

08273375

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method of drug delivery is disclosed wherein a patient's inspiratory flow rate and inspiratory volume are simultaneously measured using a portable, hand-held, device which may be electronic and battery-powered or mechanical. Information obtained from the measurement is used to release, into a patient's inspiratory flow path, particles of a pharmaceutically active drug. The released particles have a particle size in the range of from about 0.5 to 12 microns. The drug is released when the patient's measured inspiratory flow rate is in the range of from about 0.10 to about 2.0 liters/second and the patient's inspiratory volume is in the range of from about 0.15 to about 0.8 liters. By measuring inspiratory flow and volume and releasing within the specific parameters with respect to both flow and volume, it is possible to obtain a high degree of repeatability with respect to dosing of a patient and further to deliver a relatively high percentage of the released drug to the patient's circulatory system.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
ARADIGM CORPORATIONHAYWARD, CA63

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lloyd, Lester J Orinda, CA 15 1872
Rubsamen, Reid M Berkeley, CA 98 6539

Cited Art Landscape

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