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BR9707245B1 - processo e aparelho para análise multiespectral em espectroscopia infravermelha não invasiva. - Google Patents

processo e aparelho para análise multiespectral em espectroscopia infravermelha não invasiva.

Info

Publication number
BR9707245B1
BR9707245B1 BRPI9707245-1A BR9707245A BR9707245B1 BR 9707245 B1 BR9707245 B1 BR 9707245B1 BR 9707245 A BR9707245 A BR 9707245A BR 9707245 B1 BR9707245 B1 BR 9707245B1
Authority
BR
Brazil
Prior art keywords
sample
wavelengths
intensity
beam path
radiation
Prior art date
Application number
BRPI9707245-1A
Other languages
English (en)
Other versions
BR9707245A (pt
Inventor
Stephen F Malin
Gamal Khalil
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of BR9707245A publication Critical patent/BR9707245A/pt
Publication of BR9707245B1 publication Critical patent/BR9707245B1/pt

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/145Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
    • A61B5/1455Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/14Devices for taking samples of blood ; Measuring characteristics of blood in vivo, e.g. gas concentration within the blood, pH-value of blood
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/145Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
    • A61B5/14532Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue for measuring glucose, e.g. by tissue impedance measurement
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/145Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
    • A61B5/14546Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue for measuring analytes not otherwise provided for, e.g. ions, cytochromes
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/314Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/359Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/72Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7235Details of waveform analysis
    • A61B5/725Details of waveform analysis using specific filters therefor, e.g. Kalman or adaptive filters
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/72Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7235Details of waveform analysis
    • A61B5/7253Details of waveform analysis characterised by using transforms

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Engineering & Computer Science (AREA)
  • Biophysics (AREA)
  • Veterinary Medicine (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Emergency Medicine (AREA)
  • Hematology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Spectrometry And Color Measurement (AREA)
BRPI9707245-1A 1996-02-02 1997-01-31 processo e aparelho para análise multiespectral em espectroscopia infravermelha não invasiva. BR9707245B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/597,480 US6040578A (en) 1996-02-02 1996-02-02 Method and apparatus for multi-spectral analysis of organic blood analytes in noninvasive infrared spectroscopy
PCT/US1997/001369 WO1997028437A1 (en) 1996-02-02 1997-01-31 Method and apparatus for multi-spectral analysis in noninvasive infrared spectroscopy

Publications (2)

Publication Number Publication Date
BR9707245A BR9707245A (pt) 2001-09-11
BR9707245B1 true BR9707245B1 (pt) 2009-05-05

Family

ID=24391694

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI9707245-1A BR9707245B1 (pt) 1996-02-02 1997-01-31 processo e aparelho para análise multiespectral em espectroscopia infravermelha não invasiva.

Country Status (15)

Country Link
US (2) US6040578A (pt)
EP (2) EP0877925B1 (pt)
JP (3) JPH11506206A (pt)
KR (1) KR100520857B1 (pt)
CN (1) CN1185478C (pt)
AT (1) ATE245279T1 (pt)
AU (1) AU716192B2 (pt)
BR (1) BR9707245B1 (pt)
CA (1) CA2244121C (pt)
CZ (1) CZ230498A3 (pt)
DE (1) DE69723548T2 (pt)
HU (2) HUP9901866A2 (pt)
PL (1) PL328015A1 (pt)
TW (1) TW459132B (pt)
WO (1) WO1997028437A1 (pt)

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BR9707245A (pt) 2001-09-11
KR100520857B1 (ko) 2006-01-27
DE69723548D1 (de) 2003-08-21
US6040578A (en) 2000-03-21
AU1844897A (en) 1997-08-22
DE69723548T2 (de) 2004-06-09
CA2244121A1 (en) 1997-08-07
JP2006126219A (ja) 2006-05-18
CA2244121C (en) 2003-07-15
EP0877925A1 (en) 1998-11-18
EP1324018A2 (en) 2003-07-02
EP0877925B1 (en) 2003-07-16
US6236047B1 (en) 2001-05-22
CN1214768A (zh) 1999-04-21
AU716192B2 (en) 2000-02-24
HUP9901855A2 (hu) 1999-09-28
WO1997028437A1 (en) 1997-08-07
CN1185478C (zh) 2005-01-19
KR19990082235A (ko) 1999-11-25
EP1324018A3 (en) 2003-11-12
TW459132B (en) 2001-10-11
JPH11506206A (ja) 1999-06-02
HUP9901866A2 (hu) 1999-09-28
ATE245279T1 (de) 2003-08-15
HUP9901855A3 (en) 2000-03-28
HK1019636A1 (en) 2000-02-18
JP2002310908A (ja) 2002-10-23
PL328015A1 (en) 1999-01-04
CZ230498A3 (cs) 1999-07-14

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