WO2004104644B1 - Method of sample control and calibration adjustment for use with a noninvasive analyzer - Google Patents
Method of sample control and calibration adjustment for use with a noninvasive analyzerInfo
- Publication number
- WO2004104644B1 WO2004104644B1 PCT/US2004/016064 US2004016064W WO2004104644B1 WO 2004104644 B1 WO2004104644 B1 WO 2004104644B1 US 2004016064 W US2004016064 W US 2004016064W WO 2004104644 B1 WO2004104644 B1 WO 2004104644B1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- spectrum
- model
- noninvasive
- spectra
- tissue
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract 33
- 238000001228 spectrum Methods 0.000 claims abstract 47
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims 10
- 239000008103 glucose Substances 0.000 claims 10
- 238000005259 measurement Methods 0.000 claims 10
- 238000010521 absorption reaction Methods 0.000 claims 4
- 230000008878 coupling Effects 0.000 claims 4
- 238000010168 coupling process Methods 0.000 claims 4
- 238000005859 coupling reaction Methods 0.000 claims 4
- 230000001678 irradiating effect Effects 0.000 claims 4
- 238000000491 multivariate analysis Methods 0.000 claims 4
- 230000003595 spectral effect Effects 0.000 claims 3
- 238000012628 principal component regression Methods 0.000 claims 2
- 230000002618 waking effect Effects 0.000 claims 2
- 239000000523 sample Substances 0.000 abstract 2
- 238000005070 sampling Methods 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
- G01N21/274—Calibration, base line adjustment, drift correction
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/14532—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue for measuring glucose, e.g. by tissue impedance measurement
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/1495—Calibrating or testing of in-vivo probes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/359—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
Abstract
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04752964A EP1626656A4 (en) | 1997-08-14 | 2004-05-20 | Method of sample control and calibration adjustment for use with a noninvasive analyzer |
Applications Claiming Priority (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/911,588 US6115673A (en) | 1997-08-14 | 1997-08-14 | Method and apparatus for generating basis sets for use in spectroscopic analysis |
US09/563,782 US6415167B1 (en) | 2000-05-02 | 2000-05-02 | Fiber optic probe placement guide |
US61078900A | 2000-07-06 | 2000-07-06 | |
US09/630,201 US6871169B1 (en) | 1997-08-14 | 2000-08-01 | Combinative multivariate calibration that enhances prediction ability through removal of over-modeled regions |
US10/170,921 US7206623B2 (en) | 2000-05-02 | 2002-06-12 | Optical sampling interface system for in vivo measurement of tissue |
US10/384,023 US7010336B2 (en) | 1997-08-14 | 2003-03-07 | Measurement site dependent data preprocessing method for robust calibration and prediction |
US47261303P | 2003-05-21 | 2003-05-21 | |
US60/472,613 | 2003-05-21 | ||
US10/849,422 US7383069B2 (en) | 1997-08-14 | 2004-05-18 | Method of sample control and calibration adjustment for use with a noninvasive analyzer |
US10/849,422 | 2004-05-18 |
Publications (3)
Publication Number | Publication Date |
---|---|
WO2004104644A2 WO2004104644A2 (en) | 2004-12-02 |
WO2004104644A3 WO2004104644A3 (en) | 2005-03-24 |
WO2004104644B1 true WO2004104644B1 (en) | 2005-05-19 |
Family
ID=34069497
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2004/016064 WO2004104644A2 (en) | 1997-08-14 | 2004-05-20 | Method of sample control and calibration adjustment for use with a noninvasive analyzer |
Country Status (3)
Country | Link |
---|---|
US (2) | US7383069B2 (en) |
EP (1) | EP1626656A4 (en) |
WO (1) | WO2004104644A2 (en) |
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-
2004
- 2004-05-18 US US10/849,422 patent/US7383069B2/en not_active Expired - Fee Related
- 2004-05-20 EP EP04752964A patent/EP1626656A4/en not_active Withdrawn
- 2004-05-20 WO PCT/US2004/016064 patent/WO2004104644A2/en active Application Filing
-
2008
- 2008-02-07 US US12/027,934 patent/US20080146899A1/en not_active Abandoned
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US20080146899A1 (en) | 2008-06-19 |
EP1626656A2 (en) | 2006-02-22 |
EP1626656A4 (en) | 2008-04-30 |
WO2004104644A2 (en) | 2004-12-02 |
WO2004104644A3 (en) | 2005-03-24 |
US20050014997A1 (en) | 2005-01-20 |
US7383069B2 (en) | 2008-06-03 |
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