Powder inhalator
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United States of America Patent
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Jun 23, 1998
Grant Date -
N/A
app pub date -
Aug 29, 1996
filing date -
Dec 18, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device for dispensing doses of powdered material comprises a housing which houses a cylindrical container. The container has a number of helically arranged compartments each of which contains a respective dose of powdered material. In order to dispense the material from a compartment, that compartment is moved into registry with an airway in the device by means of an indexing mechanism, and the user sucks on a mouthpiece of the housing, which mouthpiece communicates with an air inlet via the airway. The flow of air through the airway ejects the dose of material. The container can constitute a replaceable cartridge. The device is particularly suitable for use as an inhaler for dispensing powdered medicament.
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