Medicament dispensing device
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United States of America Patent
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-
Sep 5, 1995
Grant Date -
N/A
app pub date -
Apr 22, 1993
filing date -
Dec 1, 1990
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A metered dose inhaler for use with a pressurised aerosol container which is preferably breath-actuated. A preload (80) is applied to the internal aerosol valve by an amount sufficient to result in a dose release, but this is prevented by the application of a pneumatic resisting force (130). The inhaler comprises a release device (110) which, upon actuation, releases the resisting force and allows the preload to actuate the aerosol valve (135). A metered dose of medicament is then released for inhalation by the patient.
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Family
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