Endotracheal tube with oximetry means

Details Endotracheal tube with oximetry means Endotracheal tube with oximetry means

1990-07-20

1991-04-09

Burr, Edgar S.

Surgery

Respiratory method or device

Respiratory gas supply means enters mouth or tracheotomy...

128633, 128634, A61M 1604

Patent

active

050055739

ABSTRACT:
An endotracheal breathing tube for use in surgical operations is equipped with a light emitting device adjacent its distal end to reside within the patient's trachea during use and with a compatible photosensitive detector positionable outside the patient's body in contact with the neck to intercept light transmitted from the light emitting device for performing accurate oximetry measurements and calculations of the patients's arterial blood oxygen saturation. In one embodiment, a light emitting diode is affixed to the distal portion of the tube body. In another embodiment, an optical fiber extends from a light emitting diode outside the patient's body through the tube to a fiber terminus at the distal location on the tube body.

REFERENCES:
patent: 3335715 (1967-08-01), Hugenholtz et al.
patent: 3690769 (1972-09-01), Mori
patent: 3807390 (1974-04-01), Ostrowski et al.
patent: 4444185 (1984-04-01), Shugar
patent: 4697593 (1987-10-01), Evans et al.
patent: 4824242 (1989-04-01), Frick et al.
patent: 4825872 (1989-05-01), Tan et al.
patent: 4928687 (1990-05-01), Lampotang et al.
patent: 4928691 (1990-05-01), Nicolson et al.
patent: 4953539 (1990-09-01), Nakamura et al.

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