Nasal drug delivery
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Jun 7, 2007
app pub date -
Apr 8, 2004
filing date -
Apr 17, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A method and device are disclosed for delivering a drug aerosol to the turbinate region (4, 6, 8) of the nasal passage. The drug is delivered to the nostril in a metered volume of gas such that it reaches the turbinates, and flow into the nostril is then prevented for sufficient time to allow the particles to settle. The particles have an aerodynamic diameter below about 12.5 .mu.m such that the majority pass the nasal valve
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