Apparatuses and methods for analyte concentration determination

Details Apparatuses and methods for analyte concentration determination Apparatuses and methods for analyte concentration determination

2005-01-25

2005-01-25

Smith, Zandra (Department: 2877)

Optics: measuring and testing

For light transmission or absorption

Of fluent material

C356S039000, C422S082050

Reexamination Certificate

active

06847451

ABSTRACT:
Apparatuses and methods for determining the concentration of an analyte in a physiological sample are provided. The subject apparatuses include at least one light source, a detector array, means for determining whether a sufficient amount of sample is present on each of the plurality of different areas, and means for determining the concentration of the analyte based on the reflected light detected from those areas determined to have sufficient sample, where areas having insufficient sample are not used in analyte concentration determination. The subject methods include illuminating each area of a test strip, obtaining reflectance from each of the different areas, determining which areas have sufficient sample based on detected light therefrom and deriving analyte concentration from the areas determined to have sufficient sample, where areas determined not to have sufficient sample are not used in the derivation. Also provided are kits for use in practicing the subject methods.

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Patent Application Publication US 2001/0031503 A1, published on Oct. 18, 2001, By Challener et al. Entitled Optical Assaving Method and System Having Movable Sensor With.

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