Inhalation device for powdered medicaments
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United States of America Patent
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-
Jan 3, 1984
Grant Date -
N/A
app pub date -
Jun 4, 1981
filing date -
Jun 6, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An inhalation device for a powdered medicament contained initially in a container, which device comprises a swirl chamber adapted to receive a medicament container and having air inlets thereinto and a mouthpiece in communication therewith; a container receiving cavity also in communication with said swirl chamber; and piercing means operable to pierce a medicament container when in the cavity and to withdraw from the pierced container, said cavity being provided with obstructive means to prevent the container re-entering the cavity after being pierced.
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