Metered dose inhaler cloud chamber
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United States of America Patent
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Feb 22, 2000
Grant Date -
N/A
app pub date -
Feb 27, 1998
filing date -
Feb 27, 1998
priority date (Note) -
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Abstract
A cloud chamber for use with a source of pressurized medication in a MDI system wherein the cloud chamber has a unique one-way inspiratory air and one-way expiratory air valving system which utilizes the same valve body to provide both functions through utilization of different parts of the same valve body for performing the different and mutually exclusive functions. The present invention also provides for the storage of the pressurized medication container within the cloud chamber so that the medication can be conveniently and safely stored when the device in not in use.
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