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Apparatuses and methods for analyte concentration determination

  • US 6,847,451 B2
  • Filed: 05/01/2002
  • Issued: 01/25/2005
  • Est. Priority Date: 05/01/2002
  • Status: Expired due to Term
First Claim
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1. An apparatus configured for receiving a test strip and for determining the concentration of at least one analyte in a physiological sample applied to the test strip, said apparatus comprising:

  • (a) at least one light source for irradiating a plurality of different areas of said test strip that has been operatively associated with said apparatus;

    (b) a detector array for detecting reflected light from each of said plurality of different areas, respectively;

    (c) means for determining whether each area of said plurality of different areas has a sufficient amount or sample based on said detected reflected light from each respective area; and

    (d) means for determining the concentration of at least one analyte based on said reflected light detected from those areas determined to have a sufficient amount of sample, wherein areas determined not to have a sufficient amount of sample are not used in said analyte concentration determination.

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