Surgery – Respiratory method or device – Respiratory gas supply means enters mouth or tracheotomy...
Patent
1991-08-02
1993-04-27
Burr, Edgar S.
Surgery
Respiratory method or device
Respiratory gas supply means enters mouth or tracheotomy...
12820523, 12820423, 128633, 128664, A61M 1600, A62B 906, A61B 600, A61B 500
Patent
active
052052818
ABSTRACT:
The present invention discloses an oral airway for insertion within a surgical patient's mouth and over the patient's tongue for preventing blockage of the pharynx during surgical and like procedures. According to the present invention, the airway is provided with an arrangement for transmitting light through the patient's tongue from a point on the oral airway bearing a transmitting device to a point on the oral airway bearing a detecting device. The transmitting devices and detecting devices are positioned in a spaced-apart relation on the oral airway so that the light transmitted from the transmitting device passes through at least a portion of the patient's tongue before being received by the detecting device. Additionally, an operative connecting device is provided for connecting the transmitting device and detecting device with an oximeter for measuring saturation of the patient's blood as a function of the transmitted light received by the detecting device.
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David R. Jobes et al "Monitoring of Arterial Hemoglobin Oxygen Saturation Using a Tongue Sensor" Clinical Reports, pp. 186-188.
"Oral Impulse Oximetry in Small Children" Letters to the Editor, Guillermon E. Lema, M.D. p. 414.
Asher K. L.
Burr Edgar S.
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