Drug delivery device and method
AssigneeMedi-Stream Pty Ltd
InventorsDavid Wharton, Ben Huber
Life of this patent
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Abstract
Breathing apparatus for medicating an airstream, compring a breathing apparatus (139), a medication chamber (138) adapted to store and discharge a therapeutic agent, a delivery pathway (141) between the chamber (138) and an intake air pathway and releasing means (145) for selectively discharging the therapeutic agent from the chamber (138) into the intake air pathway. The apparatus is particularly suited for scuba diving, snorkels, gas masks and filters. The invention is suitable for asthma sufferers but also extends to other respiratory diseases. Also claimed are a medication chamber for use in medicating an airstream and a method of medicating an airstream
Claims65
A modified breathing apparatus for medicating an air stream, said modified breathing apparatus comprising:
- a breathing apparatus;
- a medication chamber adapted to store and discharge a therapeutic agent;
- a delivery pathway between the chamber and an intake air pathway of the breathing apparatus;
- and
- releasing means for selectively discharging the therapeutic agent from the chamber into the intake air pathway.
The modified breathing apparatus of 16 wherein the delivery pathway is formed by two or more separate pathways between the chamber and the intake air pathway.
A medication chamber for use in medicating an air stream, the medication chamber comprising;
- an outer housing defining an internal chamber containing a therapeutic agent;
- mounting means for fixing the medication chamber to an air channelling device;
- at least one delivery path from the internal chamber externally and adaptable to delivery the therapeutic agent to an air pathway in be air channelling device;
- and
- releasing means for releasing the therapeutic agent from the internal chamber.
A method of medicating an air stream in a breathing apparatus, the method comprising the steps of mounting a chamber containing a therapeutic agent to a breathing apparatus and introducing one or more doses of the therapeutic agent into an inlet pathway for inspiratory air.
The method of claim 69 wherein mounting the chamber includes the step of forming a separate chamber and reversibly mounting it to the breathing apparatus.
Dependencies are inferred from the claim text.