WO2001043634A3 - Method of improving reproducibility of non-invasive measurements - Google Patents
Method of improving reproducibility of non-invasive measurements Download PDFInfo
- Publication number
- WO2001043634A3 WO2001043634A3 PCT/US2000/042590 US0042590W WO0143634A3 WO 2001043634 A3 WO2001043634 A3 WO 2001043634A3 US 0042590 W US0042590 W US 0042590W WO 0143634 A3 WO0143634 A3 WO 0143634A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- run
- body part
- during
- invasive measurements
- improving reproducibility
- Prior art date
Links
- 238000005259 measurement Methods 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 3
- 239000000470 constituent Substances 0.000 abstract 2
- 230000003028 elevating effect Effects 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
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/4795—Scattering, i.e. diffuse reflection spatially resolved investigating of object in scattering medium
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
-
- 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
- A61B5/14546—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 analytes not otherwise provided for, e.g. ions, cytochromes
-
- 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
- A61B5/14558—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 by polarisation
-
- 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
-
- 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
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
-
- 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
-
- 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
- G01N2021/3129—Determining multicomponents by multiwavelength light
- G01N2021/3137—Determining multicomponents by multiwavelength light with selection of wavelengths after the sample
Abstract
A method of improving the accuracy and reproducibility of non-invasive measurments of a concentration of a constituent of interest carried in a body part has been developed. The method relies on elevating the body part during the measurement cycle so that the body part is maintained above the heart during the measurement cycle. Measurements of the constituent during an arterial pulse leads to improved intra-run and run-to-run determinations.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU45181/01A AU4518101A (en) | 1999-12-16 | 2000-12-06 | Method of improving reproducibility of non-invasive measurements |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/465,105 US6411832B1 (en) | 1992-07-15 | 1999-12-16 | Method of improving reproducibility of non-invasive measurements |
US09/465,105 | 1999-12-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2001043634A2 WO2001043634A2 (en) | 2001-06-21 |
WO2001043634A3 true WO2001043634A3 (en) | 2002-02-14 |
Family
ID=23846509
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2000/042590 WO2001043634A2 (en) | 1999-12-16 | 2000-12-06 | Method of improving reproducibility of non-invasive measurements |
Country Status (3)
Country | Link |
---|---|
US (1) | US6411832B1 (en) |
AU (1) | AU4518101A (en) |
WO (1) | WO2001043634A2 (en) |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1993007801A1 (en) * | 1991-10-17 | 1993-04-29 | Scientific Generics Limited | Method and apparatus for non-invasive blood analyte determination |
US5313941A (en) * | 1993-01-28 | 1994-05-24 | Braig James R | Noninvasive pulsed infrared spectrophotometer |
US5424545A (en) * | 1992-07-15 | 1995-06-13 | Myron J. Block | Non-invasive non-spectrophotometric infrared measurement of blood analyte concentrations |
US5433197A (en) * | 1992-09-04 | 1995-07-18 | Stark; Edward W. | Non-invasive glucose measurement method and apparatus |
US5448992A (en) * | 1992-12-10 | 1995-09-12 | Sunshine Medical Instruments, Inc. | Method and apparatus for non-invasive phase sensitive measurement of blood glucose concentration |
US5956144A (en) * | 1992-09-03 | 1999-09-21 | Micro Research, Inc. | Method and apparatus for use of polarized light vectors in identifying and evaluating constituent compounds in a specimen |
WO2000062661A1 (en) * | 1999-04-21 | 2000-10-26 | Optix Lp | Method for improving calibration of a blood monitoring instrument |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4805623A (en) | 1987-09-04 | 1989-02-21 | Vander Corporation | Spectrophotometric method for quantitatively determining the concentration of a dilute component in a light- or other radiation-scattering environment |
US6222189B1 (en) * | 1992-07-15 | 2001-04-24 | Optix, Lp | Methods of enhancing optical signals by mechanical manipulation in non-invasive testing |
US5818048A (en) | 1992-07-15 | 1998-10-06 | Optix Lp | Rapid non-invasive optical analysis using broad bandpass spectral processing |
US5434412A (en) | 1992-07-15 | 1995-07-18 | Myron J. Block | Non-spectrophotometric measurement of analyte concentrations and optical properties of objects |
US5321265A (en) | 1992-07-15 | 1994-06-14 | Block Myron J | Non-invasive testing |
US5672875A (en) | 1992-07-15 | 1997-09-30 | Optix Lp | Methods of minimizing scattering and improving tissue sampling in non-invasive testing and imaging |
US5542421A (en) * | 1992-07-31 | 1996-08-06 | Frederick Erdman Association | Method and apparatus for cardiovascular diagnosis |
US5372134A (en) * | 1993-05-24 | 1994-12-13 | Richardson; Joseph W. | Aviation hypoxia monitor |
JP4214324B2 (en) * | 1997-08-20 | 2009-01-28 | アークレイ株式会社 | Biological tissue measurement device |
US6002953A (en) | 1998-05-06 | 1999-12-14 | Optix Lp | Non-invasive IR transmission measurement of analyte in the tympanic membrane |
US6224548B1 (en) * | 1998-05-26 | 2001-05-01 | Ineedmd.Com, Inc. | Tele-diagnostic device |
-
1999
- 1999-12-16 US US09/465,105 patent/US6411832B1/en not_active Expired - Fee Related
-
2000
- 2000-12-06 AU AU45181/01A patent/AU4518101A/en not_active Abandoned
- 2000-12-06 WO PCT/US2000/042590 patent/WO2001043634A2/en active Application Filing
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1993007801A1 (en) * | 1991-10-17 | 1993-04-29 | Scientific Generics Limited | Method and apparatus for non-invasive blood analyte determination |
US5424545A (en) * | 1992-07-15 | 1995-06-13 | Myron J. Block | Non-invasive non-spectrophotometric infrared measurement of blood analyte concentrations |
US5956144A (en) * | 1992-09-03 | 1999-09-21 | Micro Research, Inc. | Method and apparatus for use of polarized light vectors in identifying and evaluating constituent compounds in a specimen |
US5433197A (en) * | 1992-09-04 | 1995-07-18 | Stark; Edward W. | Non-invasive glucose measurement method and apparatus |
US5448992A (en) * | 1992-12-10 | 1995-09-12 | Sunshine Medical Instruments, Inc. | Method and apparatus for non-invasive phase sensitive measurement of blood glucose concentration |
US5313941A (en) * | 1993-01-28 | 1994-05-24 | Braig James R | Noninvasive pulsed infrared spectrophotometer |
WO2000062661A1 (en) * | 1999-04-21 | 2000-10-26 | Optix Lp | Method for improving calibration of a blood monitoring instrument |
Also Published As
Publication number | Publication date |
---|---|
US6411832B1 (en) | 2002-06-25 |
AU4518101A (en) | 2001-06-25 |
WO2001043634A2 (en) | 2001-06-21 |
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