Drug delivery apparatus
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United States of America Patent
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-
Jun 18, 2013
Grant Date -
Nov 6, 2003
app pub date -
Feb 12, 2001
filing date -
Feb 11, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A drug delivery apparatus comprising: a drug delivery device for selectively delivering drug-laden air or air not laden with the drug; a sensor for monitoring the breathing pattern of a patient; a controller arranged to control the drug delivery device to deliver drug-laden air in pulses which begin when the patient is monitored by the sensor to begin inhalation, the pulses having a duration which is adjusted by the controller on the basis of the monitored breathing pattern of the patient; a feedback indicator which indicates to a patient whether the monitored breathing pattern is effective for inhaling drug-laden air or not a dose calculator which calculates the dose delivered to the patient; and an indicator which indicates to the patient when a desired dose has been delivered, whereby the apparatus is configured to deliver the full amount of the desired dose in at least 80% of treatments.
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