Nasal devices
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United States of America Patent
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Dec 3, 2013
Issued Date -
N/A
app pub date -
Feb 26, 2002
filing date -
Feb 26, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
A nasal delivery device for and a method of delivering a substance to a nasal cavity of a subject, the delivery device comprising: a delivery unit for delivering a flow entraining a substance to one nostril of a subject, the delivery unit including a nosepiece for fitting to a nostril of the subject; and a flow resistor unit for fitting to the other nostril of the subject, the flow resistor unit including a progressive resistor for progressively providing an increasing flow resistance to the delivered flow.
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Family
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