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Method for providing general calibration for near infrared instruments for measurement of blood glucose

  • US 5,204,532 A
  • Filed: 06/18/1991
  • Issued: 04/20/1993
  • Est. Priority Date: 01/19/1989
  • Status: Expired due to Term
First Claim
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1. A method for calibrating a near-infrared analysis instrument for the measurement of a blood analyte, said method comprising:

  • (a) obtaining a near-infrared optical absorption measurement through a body part of an individual;

    (b) comparing said optical absorption measurement with each spectral cluster of a plurality of spectral clusters, each of said spectral clusters having a set of calibration constants associated therewith;

    (c) identifying which of said plurality of spectral clusters corresponds to said optical absorption measurement; and

    (d) applying the set of calibration constants associated with the identified spectral cluster to said near-infrared optical absorption measurements to obtain a measurement of said blood analyte.

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