DE69032339T2 - Verfahren zur Kennzeichnung biologischer Materie in lebendem Zustand mit Verwendung der Nah-Infrarotspektroskopie - Google Patents

Verfahren zur Kennzeichnung biologischer Materie in lebendem Zustand mit Verwendung der Nah-Infrarotspektroskopie

Info

Publication number
DE69032339T2
DE69032339T2 DE69032339T DE69032339T DE69032339T2 DE 69032339 T2 DE69032339 T2 DE 69032339T2 DE 69032339 T DE69032339 T DE 69032339T DE 69032339 T DE69032339 T DE 69032339T DE 69032339 T2 DE69032339 T2 DE 69032339T2
Authority
DE
Germany
Prior art keywords
identification
near infrared
infrared spectroscopy
biological matter
living condition
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69032339T
Other languages
English (en)
Other versions
DE69032339D1 (de
Inventor
James B Callis
David W Osten
Hatim M Carim
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
University of Washington
3M Co
Original Assignee
University of Washington
Minnesota Mining and Manufacturing Co
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 by University of Washington, Minnesota Mining and Manufacturing Co filed Critical University of Washington
Publication of DE69032339D1 publication Critical patent/DE69032339D1/de
Application granted granted Critical
Publication of DE69032339T2 publication Critical patent/DE69032339T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • A61B5/14535—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 haematocrit
    • 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
    • A61B5/14551—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 for measuring blood gases
    • 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
    • A61B5/14551—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 for measuring blood gases
    • A61B5/14557—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 for measuring blood gases specially adapted to extracorporeal circuits
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7235—Details of waveform analysis
    • A61B5/7239—Details of waveform analysis using differentiation including higher order derivatives
    • 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
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/12—Circuits of general importance; Signal processing
    • G01N2201/129—Using chemometrical methods
DE69032339T 1989-09-18 1990-09-18 Verfahren zur Kennzeichnung biologischer Materie in lebendem Zustand mit Verwendung der Nah-Infrarotspektroskopie Expired - Fee Related DE69032339T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US40889089A 1989-09-18 1989-09-18

Publications (2)

Publication Number Publication Date
DE69032339D1 DE69032339D1 (de) 1998-07-02
DE69032339T2 true DE69032339T2 (de) 1998-12-24

Family

ID=23618192

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69032339T Expired - Fee Related DE69032339T2 (de) 1989-09-18 1990-09-18 Verfahren zur Kennzeichnung biologischer Materie in lebendem Zustand mit Verwendung der Nah-Infrarotspektroskopie

Country Status (7)

Country Link
US (2) US5729333A (de)
EP (1) EP0419223B1 (de)
JP (1) JP3213308B2 (de)
CA (1) CA2025330C (de)
DE (1) DE69032339T2 (de)
DK (1) DK0419223T3 (de)
ES (1) ES2118714T3 (de)

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JPH03118446A (ja) 1991-05-21
US5729333A (en) 1998-03-17
EP0419223A2 (de) 1991-03-27
DE69032339D1 (de) 1998-07-02
US5830133A (en) 1998-11-03
JP3213308B2 (ja) 2001-10-02
DK0419223T3 (da) 1999-03-22
EP0419223A3 (en) 1992-05-20
CA2025330A1 (en) 1991-03-19
EP0419223B1 (de) 1998-05-27
ES2118714T3 (es) 1998-10-01
CA2025330C (en) 2002-01-22

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