Method and apparatus for noninvasively measuring a...

Details Method and apparatus for noninvasively measuring a... Method and apparatus for noninvasively measuring a...

2007-07-24

2007-07-24

Winakur, Eric (Department: 3768)

Surgery

Diagnostic testing

Measuring or detecting nonradioactive constituent of body...

C600S322000

Reexamination Certificate

active

10802920

ABSTRACT:
In an apparatus and method of noninvasively measuring a concentration of a blood component, the method includes (a) varying a thickness of a body part of a subject, measuring absorption spectrums at different thicknesses of the body part, obtaining a first differential absorption spectrum between the absorption spectrums measured at different thicknesses, actually measuring concentrations of the blood component, and establishing a statistical model using the first differential absorption spectrum and the actually measured concentrations; and (b) estimating the concentration of the blood component using a second differential absorption spectrum obtained with respect to the body part based on the statistical model.

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