AT157230T - Method and apparatus for electromagnetic detection of the living tissue present substances - Google Patents

Method and apparatus for electromagnetic detection of the living tissue present substances

Info

Publication number
AT157230T
AT157230T AT92914187T AT92914187T AT157230T AT 157230 T AT157230 T AT 157230T AT 92914187 T AT92914187 T AT 92914187T AT 92914187 T AT92914187 T AT 92914187T AT 157230 T AT157230 T AT 157230T
Authority
AT
Austria
Prior art keywords
apparatus
method
living tissue
tissue present
electromagnetic detection
Prior art date
Application number
AT92914187T
Other languages
German (de)
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 to US07/725,441 priority Critical patent/US5178142A/en
Application filed by Vivascan Corp filed Critical Vivascan Corp
Publication of AT157230T publication Critical patent/AT157230T/en

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Detecting, measuring or recording for diagnostic purposes; Identification of persons
    • A61B5/145Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/14532Measuring 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Detecting, measuring or recording for diagnostic purposes; Identification of persons
    • A61B5/145Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/1455Measuring 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Detecting, measuring or recording for diagnostic purposes; Identification of persons
    • A61B5/145Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/1495Calibrating or testing of in-vivo probes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Detecting, measuring or recording for diagnostic purposes; Identification of persons
    • A61B5/68Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801Arrangements 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
    • A61B5/6843Monitoring or controlling sensor contact pressure
    • 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 infra-red, visible or ultra-violet 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 infra-red light
    • G01N21/359Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infra-red light using near infra-red light
AT92914187T 1989-05-23 1992-01-29 Method and apparatus for electromagnetic detection of the living tissue present substances AT157230T (en)

Priority Applications (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
AT157230T true AT157230T (en) 1997-09-15

Family

ID=24914571

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92914187T AT157230T (en) 1989-05-23 1992-01-29 Method and apparatus for electromagnetic detection of the living tissue present substances

Country Status (7)

Country Link
EP (1) EP0597878B1 (en)
JP (1) JP3224540B2 (en)
AT (1) AT157230T (en)
AU (1) AU2223492A (en)
CA (1) CA2112577C (en)
DE (2) DE69221878T2 (en)
WO (1) WO1993000855A1 (en)

Families Citing this family (25)

* 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
CA2174719C (en) * 1993-08-24 2005-07-26 Mark R. Robinson A robust accurate non-invasive analyte monitor
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
US6816605B2 (en) 1999-10-08 2004-11-09 Lumidigm, Inc. Methods and systems for biometric identification of individuals using linear optical spectroscopy
US7890158B2 (en) 2001-06-05 2011-02-15 Lumidigm, Inc. Apparatus and method of biometric determination using specialized optical spectroscopy systems
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
US7751594B2 (en) 2003-04-04 2010-07-06 Lumidigm, Inc. White-light spectral biometric sensors
US7356365B2 (en) 2003-07-09 2008-04-08 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
US7254429B2 (en) 2004-08-11 2007-08-07 Glucolight Corporation Method and apparatus for monitoring glucose levels in a biological tissue
US8036727B2 (en) 2004-08-11 2011-10-11 Glt Acquisition Corp. Methods for noninvasively measuring analyte levels in a subject
CA2604653A1 (en) 2005-04-13 2006-10-19 Glucolight Corporation Method for data reduction and calibration of an oct-based blood glucose monitor
US7995808B2 (en) 2006-07-19 2011-08-09 Lumidigm, Inc. Contactless multispectral biometric capture
US8175346B2 (en) 2006-07-19 2012-05-08 Lumidigm, Inc. Whole-hand multispectral biometric imaging
WO2008134135A2 (en) 2007-03-21 2008-11-06 Lumidigm, Inc. Biometrics based on locally consistent features
US8355545B2 (en) 2007-04-10 2013-01-15 Lumidigm, Inc. Biometric detection using spatial, temporal, and/or spectral techniques
WO2009111542A2 (en) 2008-03-04 2009-09-11 Glucolight Corporation Methods and systems for analyte level estimation in optical coherence tomography
US8570149B2 (en) 2010-03-16 2013-10-29 Lumidigm, Inc. Biometric imaging using an optical adaptive interface
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
EP0003015B1 (en) * 1978-01-03 1982-09-29 Howard Maurice Shapiro 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
AT42673T (en) * 1984-05-04 1989-05-15 Kurashiki Boseki Kk Spectrophotometric geraet bloodless determination of glucose in living tissue.
US4901728A (en) * 1988-05-31 1990-02-20 Eol, Inc. Personal glucose monitor
EP0401453B1 (en) * 1989-05-23 1992-09-02 Biosensors Technology, Inc. Method for determining by absorption of radiations the concentration of substances in absorbing and turbid matrices
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
JPH07501230A (en) 1995-02-09
WO1993000855A1 (en) 1993-01-21
JP3224540B2 (en) 2001-10-29
CA2112577C (en) 2003-03-25
DE69221878D1 (en) 1997-10-02
DE69221878T2 (en) 1998-03-26
EP0597878A1 (en) 1994-05-25
CA2112577A1 (en) 1993-01-21
AU2223492A (en) 1993-02-11
EP0597878B1 (en) 1997-08-27

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Legal Events

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