Dry powder inhalation device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jan 11, 2000
Issued Date -
N/A
app pub date -
Jun 10, 1997
filing date -
Apr 28, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A dry powder inhaler comprises a housing that has a portion that receives a dose of powdered medicament, a patient port that is placed in fluid communication with a patient; an inhalation passageway in communication with the patient port, a deagglomerator that deagglomerates or assists in aerosolization of the dose of powdered medicament; an electric powered device that drives the deagglomerator; a patient-independent energy output source that drives the electric powered device, a detector that detects inspiratory flow through the inhalation passageway; and a controller for actuating the deagglomerator in response to detection of the inspiratory flow by the detector.
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