Calibrated optical oximeter probe

Details Calibrated optical oximeter probe Calibrated optical oximeter probe

1987-10-19

1988-09-13

Cohen, Lee S.

Surgery

Truss

Pad

128664, 128666, 356 41, 2502521, A61B 500

Patent

active

047701790

ABSTRACT:
A probe apparatus for use with an optical oximeter is disclosed. A pair of light emitting diodes emit light of known narrow wavelengths through an appendage of a patient onto a photosensor. A resistor of coded known resistance is used to enable the oximeter to calculate the co-efficient of extinction of the wavelengths of the LEDs. The resistor, LEDs and photosensor are mounted on self-attaching hook and eye tape for mounting the probe onto the appendage of the patient. The probe is detachably wired to the oximeter, rendering the probe completely disposable. The oximeter is programmed at the factory to calculate the co-efficients of extinction of any LEDs which may be encountered in a series of disposable probes. From the co-efficients of extinction, the pulse rate and degree of arterial oxygen saturation is computed and displayed by the oximeter.

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