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US 2003/0205229 A1Published application
Drug delivery apparatus
AssigneeRespironics Respiratory Drug Delivery (UK) Ltd
InventorsDavid Roe Crockford, John Stanley Harold Denyer
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AssigneeRespironics Respiratory Drug Delivery (UK) Ltd
InventorsDavid Roe Crockford, John Stanley Harold Denyer
Estimating the term…
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.
Drug delivery apparatus comprising:
An apparatus according to any one of the preceding claims, further comprising a data log for recordal of information relating to each treatment, including the dose which was delivered.
An apparatus according to any one of the preceding claims, wherein the controller includes a pulse length generator which determines the duration of each pulse on the basis of the monitored breathing pattern of the patient.
An apparatus according to any one of the preceding claims, wherein the sensor is a pressure sensor.
An apparatus according to any one of the preceding claims, wherein the feedback indicator is a vibrator which causes the apparatus to vibrate in order to indicate that the patient is inhaling effectively.
Dependencies are inferred from the claim text.