Simple capsule-based inhaler
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United States of America Patent
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Mar 25, 2014
Grant Date -
Oct 27, 2011
app pub date -
Apr 26, 2011
filing date -
Apr 26, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A dry powder inhaler for pulmonary or nasal use, employing capsules containing a dose of powder for inhalation, comprising two operating components and an optional cover. Air is drawn by the patient via a mouthpiece or nosepiece which is in communication with the capsule and travels via air paths through the device and through the capsule thereby dispersing and entraining the dose of powder. The capsule is cut by cutting means located on one of the components, in a manner which eliminates or minimizes capsule debris and minimizes powder leakage during use. The inhaler body and capsule cutting blades comprise a single operating component and they may be manufactured in a single unitary step. The invention affords a very economical and simple device for the delivery of pulmonary medicines.
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