Dispenser and method for entraining powder in an airflow

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United States of America Patent

PATENT NO 9283337
APP PUB NO 20110083667A1
SERIAL NO

12809155

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Abstract

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The present disclosure relates to a method for entraining in an airflow a medicament powder contained in a cavity having a cavity opening. Large airflow vortices are provided, for instance, by use of an obstacle in a flow passage, The airflow with large vortices is arranged to by-pass the cavity opening, thereby generating an eddy in the cavity which contributes to entraining the powder in said airflow. The present disclosure also relates to a medical dispenser, for instance an inhaler, in which the method may be performed.

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Patent Owner(s)

Patent OwnerAddress
ASTRAZENECA UK LIMITED1 FRANCIS CRICK AVENUE CAMBRIDGE BIOMEDICAL CAMPUS CAMBRIDGE CB2 0AA CB2 0AA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Briant, John Baldock, GB 9 87
Lastow, Orest Lund, SE 26 337
Remmelgas, Johan Mölndal, SE 8 166

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