DE69836979D1 - Verfahren zur nicht invasiven analytenmessung - Google Patents

Verfahren zur nicht invasiven analytenmessung

Info

Publication number
DE69836979D1
DE69836979D1 DE69836979T DE69836979T DE69836979D1 DE 69836979 D1 DE69836979 D1 DE 69836979D1 DE 69836979 T DE69836979 T DE 69836979T DE 69836979 T DE69836979 T DE 69836979T DE 69836979 D1 DE69836979 D1 DE 69836979D1
Authority
DE
Germany
Prior art keywords
excitation wavelength
tissue
analyte
temperature probe
wavelength
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
DE69836979T
Other languages
English (en)
Other versions
DE69836979T2 (de
Inventor
Joseph Chaiken
M Peterson
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.)
LighTouch Medical Inc
Original Assignee
LighTouch Medical 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 LighTouch Medical Inc filed Critical LighTouch Medical Inc
Application granted granted Critical
Publication of DE69836979D1 publication Critical patent/DE69836979D1/de
Publication of DE69836979T2 publication Critical patent/DE69836979T2/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
    • 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
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • 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
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/65—Raman scattering
    • 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
    • A61B5/14553—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 for cerebral tissue
DE69836979T 1997-11-12 1998-11-12 Verfahren zur nicht invasiven analytenmessung Expired - Lifetime DE69836979T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US6518097P 1997-11-12 1997-11-12
US65180P 1997-11-12
PCT/US1998/024123 WO1999023939A1 (en) 1997-11-12 1998-11-12 Method for non-invasive measurement of an analyte

Publications (2)

Publication Number Publication Date
DE69836979D1 true DE69836979D1 (de) 2007-03-15
DE69836979T2 DE69836979T2 (de) 2007-11-08

Family

ID=22060863

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69836979T Expired - Lifetime DE69836979T2 (de) 1997-11-12 1998-11-12 Verfahren zur nicht invasiven analytenmessung

Country Status (9)

Country Link
US (2) US6044285A (de)
EP (1) EP1037553B1 (de)
JP (1) JP4369616B2 (de)
AT (1) ATE352252T1 (de)
AU (1) AU1401599A (de)
CA (1) CA2305366C (de)
DE (1) DE69836979T2 (de)
ES (1) ES2281143T3 (de)
WO (1) WO1999023939A1 (de)

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