Automatic initiation of a time interval for measuring glucose concentration in a sample of whole blood
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United States of America Patent
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Dec 1, 1998
Issued Date -
N/A
app pub date -
Sep 30, 1997
filing date -
Aug 13, 1986
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Abstract
A method for measuring a glucose concentration in whole blood uses a reagent test strip having a matrix pad and a reflectance meter. The test strip is placed in the meter, and a blood sample is applied to the top surface of the pad. As the sample travels through the pad, glucose in the blood reacts with reagent in the pad to cause a change in reflectance of its bottom surface. An incubation period is initiated when the meter detects that at least a portion of the sample has reached the bottom surface. At the end of the incubation period, the reflectance of the bottom surface is measured and used to calculate the glucose concentration.
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