Nasal cannula
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United States of America Patent
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Issued Date -
Sep 14, 2006
app pub date -
Jan 29, 2004
filing date -
Jan 30, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A nasal cannula 1 for inclusion in medical apparatus that delivers a breathable gas mixture of helium and oxygen to a patient comprises a length 12 of high pressure narrow bore tubing having a proximal end region for connection to a high pressure source, a cylinder 2, of the breathable gas mixture at a junction 8. The length 12 of tubing has a distal end region connected to at least one nasal administration device 10. The distal end region of the length 12 of tubing has an orifice for the expansion of the breathable gas mixture.
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