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Title: Accommodating subject and instrument variations in spectroscopic determinations

Patent ·
OSTI ID:908262

A method and apparatus for measuring a biological attribute, such as the concentration of an analyte, particularly a blood analyte in tissue such as glucose. The method utilizes spectrographic techniques in conjunction with an improved instrument-tailored or subject-tailored calibration model. In a calibration phase, calibration model data is modified to reduce or eliminate instrument-specific attributes, resulting in a calibration data set modeling intra-instrument or intra-subject variation. In a prediction phase, the prediction process is tailored for each target instrument separately using a minimal number of spectral measurements from each instrument or subject.

Research Organization:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC04-94AL85000
Assignee:
InLight Solutions, Inc. (Albuquerque, NM)
Patent Number(s):
7,098,037
Application Number:
10/222,721
OSTI ID:
908262
Country of Publication:
United States
Language:
English

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