Apparatus for calibrating pulse oximeter

Details Apparatus for calibrating pulse oximeter Apparatus for calibrating pulse oximeter

1992-02-14

1994-01-11

Willis, Davis L.

Optics: measuring and testing

Blood analysis

Hemoglobin concentration

356 42, 356243, 2502521, 128633, 128691, G01N 3348

Patent

active

052786277

ABSTRACT:
An apparatus for calibrating a pulse oximeter which can improve the repetitivity of measured values for calibration tests and which can calibrate the pulse oximeter with a high reliability. A tissue model having a light-absorbing characteristic approximated to that of the tissue of a living body is inserted into a space between a light-emitting section and a light-receiving section of a measuring probe that is connected to the pulse oximeter, and a blood model having a light-absorbing characteristic that is approximated to that of the blood is moved within the tissue model so as to enter into or exit from the space between the light-emitting section and the light-receiving section.

REFERENCES:
patent: 4834532 (1989-05-01), Yount

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