Dispenser and method for entraining powder in an airflow
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United States of America Patent
Stats
-
Mar 15, 2016
Grant Date -
Apr 14, 2011
app pub date -
Dec 18, 2008
filing date -
Dec 20, 2007
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present disclosure relates to a method for entraining in an airflow a medicament powder contained in a cavity having a cavity opening. Large airflow vortices are provided, for instance, by use of an obstacle in a flow passage, The airflow with large vortices is arranged to by-pass the cavity opening, thereby generating an eddy in the cavity which contributes to entraining the powder in said airflow. The present disclosure also relates to a medical dispenser, for instance an inhaler, in which the method may be performed.
First Claim
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International Classification(s)
- 2008 Application Filing Year
- A61M Class
- 2520 Applications Filed
- 1770 Patents Issued To-Date
- 70.24 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 3 Citation Count
- A61M Class
- 11.01 % this patent is cited more than
- 9 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Sep 15, 2027 |
