Surgery – Truss – Pad
Patent
1991-01-31
1993-03-16
Cohen, Lee S.
Surgery
Truss
Pad
12820714, A61B 500, A61M 1604
Patent
active
051935449
ABSTRACT:
An optical path is provided in the wall of an endotracheal tube to transmit light from a light source to the tracheal tissue. The same path or different path may be used to receive light reflected from the tracheal tissue to a detector for detecting the oxygen saturation of blood of a subject. The light supplied may also be directed across the gaseous medium inside the tube and received by a different optical path. The received light signal is then detected to determine the carbon dioxide concentration of the medium inside the trachea.
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Board of Trustees of the Leland Stanford Junior University
Cohen Lee S.
Pontius Kevin
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