Dry powder inhaler
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United States of America Patent
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-
Oct 30, 2012
Grant Date -
Mar 31, 2011
app pub date -
Sep 28, 2010
filing date -
Sep 15, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An Inhaler for delivering an aerosolised dose of a powdered drug for inhalation by a user is disclosed. The inhaler comprises a drug entreinment device to a receive a package having a piercable lid containing a dose to be delivered, the device including a drug outlet tube terminating with a primary piercing element to pierce an opening in said lid when a package is located in the inhaler, a secondary piercing member to pierce a plurality of peripheral openings in said lid and, an airflow path to enable the supply of a charge of gas into the package via said peripheral openings to scour the interior of a pierced package such that all or substantially all of the dose is entrained in the gas and flows out of the package via the drug outlet tube. A medicament pack is also disclosed.
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