Portable air delivery system and method of using same
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United States of America Patent
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May 10, 2005
Grant Date -
N/A
app pub date -
Mar 17, 2003
filing date -
Mar 17, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An air delivery system includes a coupling mechanism that is adapted to be connected between a source of oxygen-enriched air and an air cannula that can be worn by a user. The coupling mechanism includes a spool assembly for paying out and for winding up a predetermined length of tubing coupled between the air cannula and the source of oxygen-enriched air. The spool assembly has a sufficiently low drag factor to allow complete mobility of a user wearing the cannula without causing it to be dislodged during pay out of the predetermined length of tubing and without causing it to be dislodged during take up of the predetermined length of tubing.
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