Method and apparatus for the measurement of blood sugar
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United States of America Patent
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Mar 30, 1999
Grant Date -
N/A
app pub date -
Sep 24, 1997
filing date -
Sep 24, 1996
priority date (Note) -
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Abstract
In an apparatus and method for detecting the concentration of a substance in a fluid, such as the concentration of sugar in blood, the measuring field of a test strip to which the fluid to be tested in applied is divided into two separate measuring areas. The change in the light reflection or light transmission capacity of the two measuring areas is then detected separately at repetitive time intervals, and in comparing the changes in light reflectivity or light transmission of the two measuring areas over time, perceived differences in the changes occurring in the two areas are evaluated to provide useful information.
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Family
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