Inhalation device free from propellant gas having brush abrading powder from tablet
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United States of America Patent
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Sep 20, 1994
Grant Date -
N/A
app pub date -
Apr 23, 1993
filing date -
Aug 30, 1990
priority date (Note) -
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Abstract
The invention relates to a propellent-free inhalation device having a supply of solidified medicinal substance to be inhaled, a manually operable metering device for removing a given dose of the medicinal substance for the inhalation process and having a mouthpiece for actively breathing in and an air space for distributing the particular dose of medicinal substance in the air stream. An abrasion device, in the form of a brush comprising a plurality of bristles, is used to abrade the medicinal substance to form the dose.
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