Method and instruments for non-invasive analyte measurement
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United States of America Patent
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Oct 25, 2005
Grant Date -
Nov 4, 2004
app pub date -
Apr 14, 2004
filing date -
May 2, 2003
priority date (Note) -
Expired
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Abstract
The present invention is related to optical non-invasive methods and instruments to detect the level of analyte concentrations in the tissue of a subject. The spectra of mid-infrared radiation emitted from a subject's body are altered corresponding to the concentration of various compounds within the radiating tissue. In one aspect of the invention, an instrument measures the level of mid-infrared radiation from the subject's body surface, such as the eye, and determines a specific analyte's concentration based on said analyte's distinctive mid-infrared radiation signature.
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