ATE157230T1 - Verfahren und vorrichtung zur elektromagnetischen bestimmung von im lebenden gewebe vorliegenden substanzen - Google Patents

Verfahren und vorrichtung zur elektromagnetischen bestimmung von im lebenden gewebe vorliegenden substanzen

Info

Publication number
ATE157230T1
ATE157230T1 AT92914187T AT92914187T ATE157230T1 AT E157230 T1 ATE157230 T1 AT E157230T1 AT 92914187 T AT92914187 T AT 92914187T AT 92914187 T AT92914187 T AT 92914187T AT E157230 T1 ATE157230 T1 AT E157230T1
Authority
AT
Austria
Prior art keywords
tissue
alternating
wavelengths
changed
living tissue
Prior art date
Application number
AT92914187T
Other languages
English (en)
Inventor
Hannu Harjunmaa
Yitzhak Mendelson
Yi Wang
Original Assignee
Vivascan Corp
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
Priority claimed from US07/725,441 external-priority patent/US5178142A/en
Application filed by Vivascan Corp filed Critical Vivascan Corp
Application granted granted Critical
Publication of ATE157230T1 publication Critical patent/ATE157230T1/de

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 or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
    • A61B5/14532—Measuring 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
    • 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 or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
    • A61B5/1455—Measuring 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
    • 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 or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
    • A61B5/1495—Calibrating or testing of in-vivo probes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6843—Monitoring or controlling sensor contact pressure
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Veterinary Medicine (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Optics & Photonics (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)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
AT92914187T 1991-07-03 1992-01-29 Verfahren und vorrichtung zur elektromagnetischen bestimmung von im lebenden gewebe vorliegenden substanzen ATE157230T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/725,441 US5178142A (en) 1989-05-23 1991-07-03 Electromagnetic method and apparatus to measure constituents of human or animal tissue

Publications (1)

Publication Number Publication Date
ATE157230T1 true ATE157230T1 (de) 1997-09-15

Family

ID=24914571

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92914187T ATE157230T1 (de) 1991-07-03 1992-01-29 Verfahren und vorrichtung zur elektromagnetischen bestimmung von im lebenden gewebe vorliegenden substanzen

Country Status (7)

Country Link
EP (1) EP0597878B1 (de)
JP (1) JP3224540B2 (de)
AT (1) ATE157230T1 (de)
AU (1) AU2223492A (de)
CA (1) CA2112577C (de)
DE (1) DE69221878T2 (de)
WO (1) WO1993000855A1 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5370114A (en) * 1992-03-12 1994-12-06 Wong; Jacob Y. Non-invasive blood chemistry measurement by stimulated infrared relaxation emission
US5615672A (en) * 1993-01-28 1997-04-01 Optiscan, Inc. Self-emission noninvasive infrared spectrophotometer with body temperature compensation
US5313941A (en) * 1993-01-28 1994-05-24 Braig James R Noninvasive pulsed infrared spectrophotometer
EP0683641A4 (de) * 1993-08-24 1998-07-15 Mark R Robinson Robust-gebaute, genaue, unblutige anzeige-vorrichtung für bestandteile.
US5725480A (en) * 1996-03-06 1998-03-10 Abbott Laboratories Non-invasive calibration and categorization of individuals for subsequent non-invasive detection of biological compounds
US5900632A (en) * 1997-03-12 1999-05-04 Optiscan Biomedical Corporation Subsurface thermal gradient spectrometry
US6161028A (en) 1999-03-10 2000-12-12 Optiscan Biomedical Corporation Method for determining analyte concentration using periodic temperature modulation and phase detection
US7890158B2 (en) 2001-06-05 2011-02-15 Lumidigm, Inc. Apparatus and method of biometric determination using specialized optical spectroscopy systems
US6816605B2 (en) 1999-10-08 2004-11-09 Lumidigm, Inc. Methods and systems for biometric identification of individuals using linear optical spectroscopy
US7126682B2 (en) 2001-04-11 2006-10-24 Rio Grande Medical Technologies, Inc. Encoded variable filter spectrometer
US6862091B2 (en) 2001-04-11 2005-03-01 Inlight Solutions, Inc. Illumination device and method for spectroscopic analysis
US6983176B2 (en) 2001-04-11 2006-01-03 Rio Grande Medical Technologies, Inc. Optically similar reference samples and related methods for multivariate calibration models used in optical spectroscopy
US6865408B1 (en) 2001-04-11 2005-03-08 Inlight Solutions, Inc. System for non-invasive measurement of glucose in humans
US7027848B2 (en) 2002-04-04 2006-04-11 Inlight Solutions, Inc. Apparatus and method for non-invasive spectroscopic measurement of analytes in tissue using a matched reference analyte
US7003337B2 (en) 2002-04-26 2006-02-21 Vivascan Corporation Non-invasive substance concentration measurement using and optical bridge
US8175666B2 (en) 2002-04-26 2012-05-08 Grove Instruments, Inc. Three diode optical bridge system
US7620212B1 (en) 2002-08-13 2009-11-17 Lumidigm, Inc. Electro-optical sensor
US7751594B2 (en) 2003-04-04 2010-07-06 Lumidigm, Inc. White-light spectral biometric sensors
WO2005007215A2 (en) 2003-07-09 2005-01-27 Glucolight Corporation Method and apparatus for tissue oximetry
US7510849B2 (en) 2004-01-29 2009-03-31 Glucolight Corporation OCT based method for diagnosis and therapy
US8229185B2 (en) 2004-06-01 2012-07-24 Lumidigm, Inc. Hygienic biometric sensors
US8036727B2 (en) 2004-08-11 2011-10-11 Glt Acquisition Corp. Methods for noninvasively measuring analyte levels in a subject
US8787630B2 (en) 2004-08-11 2014-07-22 Lumidigm, Inc. Multispectral barcode imaging
US7254429B2 (en) 2004-08-11 2007-08-07 Glucolight Corporation Method and apparatus for monitoring glucose levels in a biological tissue
JP2008537903A (ja) 2005-04-13 2008-10-02 グルコライト・コーポレーシヨン Ｏｃｔが基になった血糖モニターのデータ処理および較正方法
US8355545B2 (en) 2007-04-10 2013-01-15 Lumidigm, Inc. Biometric detection using spatial, temporal, and/or spectral techniques
US8175346B2 (en) 2006-07-19 2012-05-08 Lumidigm, Inc. Whole-hand multispectral biometric imaging
US7995808B2 (en) 2006-07-19 2011-08-09 Lumidigm, Inc. Contactless multispectral biometric capture
WO2008134135A2 (en) 2007-03-21 2008-11-06 Lumidigm, Inc. Biometrics based on locally consistent features
US8768423B2 (en) 2008-03-04 2014-07-01 Glt Acquisition Corp. Multispot monitoring for use in optical coherence tomography
US8570149B2 (en) 2010-03-16 2013-10-29 Lumidigm, Inc. Biometric imaging using an optical adaptive interface
GB201111138D0 (en) 2011-06-30 2011-08-17 Leman Micro Devices Uk Ltd Personal health data collection
US20130267799A1 (en) * 2012-04-06 2013-10-10 Hannu Harjunmaa Noninvasive measurement of analyte concentration using a fiberless transflectance probe

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2963757D1 (en) * 1978-01-03 1982-11-11 Shapiro H M Apparatus for non-invasive detection of zinc protoporphyrin in erythrocytes
US4570638A (en) * 1983-10-14 1986-02-18 Somanetics Corporation Method and apparatus for spectral transmissibility examination and analysis
DE3477991D1 (en) * 1984-05-04 1989-06-08 Kurashiki Boseki Kk Spectrophotometric apparatus for the non-invasive determination of glucose in body tissues
US4901728A (en) * 1988-05-31 1990-02-20 Eol, Inc. Personal glucose monitor
ATE80225T1 (de) * 1989-05-23 1992-09-15 Biosensors Technology Inc Verfahren zur bestimmung mittels strahlungsabsorption von substanzen in absorbierenden und streuenden matrixmaterialien.
US5112124A (en) * 1990-04-19 1992-05-12 Worcester Polytechnic Institute Method and apparatus for measuring the concentration of absorbing substances

Also Published As

Publication number Publication date
EP0597878B1 (de) 1997-08-27
JPH07501230A (ja) 1995-02-09
WO1993000855A1 (en) 1993-01-21
EP0597878A1 (de) 1994-05-25
CA2112577C (en) 2003-03-25
DE69221878D1 (de) 1997-10-02
AU2223492A (en) 1993-02-11
CA2112577A1 (en) 1993-01-21
JP3224540B2 (ja) 2001-10-29
DE69221878T2 (de) 1998-03-26

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