DE69737363D1 - Überwachung von gewebe-bestandteilen mittels infrarot-strahlung - Google Patents

Überwachung von gewebe-bestandteilen mittels infrarot-strahlung

Info

Publication number
DE69737363D1
DE69737363D1 DE69737363T DE69737363T DE69737363D1 DE 69737363 D1 DE69737363 D1 DE 69737363D1 DE 69737363 T DE69737363 T DE 69737363T DE 69737363 T DE69737363 T DE 69737363T DE 69737363 D1 DE69737363 D1 DE 69737363D1
Authority
DE
Germany
Prior art keywords
emission
spectral lines
spectral
monitoring
tissue
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 - Lifetime
Application number
DE69737363T
Other languages
English (en)
Other versions
DE69737363T2 (de
Inventor
Janusz M Buchert
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.)
INFRATEC Inc
Original Assignee
INFRATEC Inc
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 INFRATEC Inc filed Critical INFRATEC Inc
Publication of DE69737363D1 publication Critical patent/DE69737363D1/de
Application granted granted Critical
Publication of DE69737363T2 publication Critical patent/DE69737363T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A61B5/1455—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
    • A61B5/14532—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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/0003—Radiation pyrometry, e.g. infrared or optical thermometry for sensing the radiant heat transfer of samples, e.g. emittance meter
    • G01J5/0011—Ear thermometers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/0022—Radiation pyrometry, e.g. infrared or optical thermometry for sensing the radiation of moving bodies
    • G01J5/0025—Living bodies
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/08—Optical arrangements
    • G01J5/0801—Means for wavelength selection or discrimination
    • G01J5/0802—Optical filters
    • 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
    • G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
    • G01N2021/3531—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis without instrumental source, i.e. radiometric
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Molecular Biology (AREA)
  • Optics & Photonics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Emergency Medicine (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
  • Laser Surgery Devices (AREA)
DE69737363T 1996-05-20 1997-03-31 Überwachung von gewebe-bestandteilen mittels infrarot-strahlung Expired - Lifetime DE69737363T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/650,832 US5666956A (en) 1996-05-20 1996-05-20 Instrument and method for non-invasive monitoring of human tissue analyte by measuring the body's infrared radiation
US650832 1996-05-20
PCT/US1997/005255 WO1997043947A1 (en) 1996-05-20 1997-03-31 Monitoring of tissue analytes by infrared radiation

Publications (2)

Publication Number Publication Date
DE69737363D1 true DE69737363D1 (de) 2007-03-29
DE69737363T2 DE69737363T2 (de) 2007-09-27

Family

ID=24610502

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69737363T Expired - Lifetime DE69737363T2 (de) 1996-05-20 1997-03-31 Überwachung von gewebe-bestandteilen mittels infrarot-strahlung

Country Status (13)

Country Link
US (1) US5666956A (de)
EP (2) EP0948284B1 (de)
JP (1) JP3686422B2 (de)
AT (1) ATE353590T1 (de)
AU (1) AU711156B2 (de)
DE (1) DE69737363T2 (de)
DK (1) DK0948284T3 (de)
EA (1) EA002636B1 (de)
ES (1) ES2281912T3 (de)
IL (1) IL127111A (de)
PL (1) PL184077B1 (de)
PT (1) PT948284E (de)
WO (1) WO1997043947A1 (de)

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EA002636B1 (ru) 2002-08-29
EA199801025A1 (ru) 1999-06-24
IL127111A0 (en) 1999-09-22
AU2599697A (en) 1997-12-09
US5666956A (en) 1997-09-16
JP3686422B2 (ja) 2005-08-24
AU711156B2 (en) 1999-10-07
EP0948284B1 (de) 2007-02-14
PT948284E (pt) 2007-05-31
ES2281912T3 (es) 2007-10-01
EP1815786A1 (de) 2007-08-08
IL127111A (en) 2003-02-12
PL184077B1 (pl) 2002-08-30
JP2001503999A (ja) 2001-03-27
DK0948284T3 (da) 2007-06-11
PL330044A1 (en) 1999-04-26
EP0948284A1 (de) 1999-10-13
ATE353590T1 (de) 2007-03-15
WO1997043947A1 (en) 1997-11-27
DE69737363T2 (de) 2007-09-27

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