Apparatus for non-invasive determination of direction and rate of change of an analyte
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United States of America Patent
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Jul 20, 2010
Grant Date -
Jul 27, 2006
app pub date -
Jan 10, 2006
filing date -
Aug 9, 1995
priority date (Note) -
Expired
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Abstract
The present invention relates generally to a non-invasive method and apparatus for measuring a fluid analyte, particularly relating to glucose or alcohol contained in blood or tissue, utilizing spectroscopic methods. More particularly, the method and apparatus incorporate means for detecting and quantifying changes in the concentration of specific analytes in tissue fluid. Also, the method and apparatus can be used to predict future levels of analyte concentration either in the tissue fluid or in blood in an adjacent vascular system.
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