DE69903306T2 - Verfahren zur gewebemodulation für die quantitative nichtinvasive in vivo spektroskopische analyse von gewebe - Google Patents

Verfahren zur gewebemodulation für die quantitative nichtinvasive in vivo spektroskopische analyse von gewebe

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Publication number
DE69903306T2
DE69903306T2 DE69903306T DE69903306T DE69903306T2 DE 69903306 T2 DE69903306 T2 DE 69903306T2 DE 69903306 T DE69903306 T DE 69903306T DE 69903306 T DE69903306 T DE 69903306T DE 69903306 T2 DE69903306 T2 DE 69903306T2
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DE
Germany
Prior art keywords
tissue
spectra
region
collected
blood
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
DE69903306T
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English (en)
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DE69903306D1 (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
Publication of DE69903306D1 publication Critical patent/DE69903306D1/de
Application granted granted Critical
Publication of DE69903306T2 publication Critical patent/DE69903306T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • A61B5/0048—Detecting, measuring or recording by applying mechanical forces or stimuli
    • 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
    • G01N21/62—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
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N21/6486—Measuring fluorescence of biological material, e.g. DNA, RNA, cells
    • 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
    • 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
    • G01N2021/653—Coherent methods [CARS]
    • G01N2021/655—Stimulated Raman
DE69903306T 1998-07-07 1999-07-07 Verfahren zur gewebemodulation für die quantitative nichtinvasive in vivo spektroskopische analyse von gewebe Expired - Lifetime DE69903306T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US9189998P 1998-07-07 1998-07-07
PCT/US1999/015217 WO2000001295A1 (en) 1998-07-07 1999-07-07 Tissue modulation process for quantitative noninvasive in vivo spectroscopic analysis of tissues

Publications (2)

Publication Number Publication Date
DE69903306D1 DE69903306D1 (de) 2002-11-07
DE69903306T2 true DE69903306T2 (de) 2003-05-22

Family

ID=22230207

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69903306T Expired - Lifetime DE69903306T2 (de) 1998-07-07 1999-07-07 Verfahren zur gewebemodulation für die quantitative nichtinvasive in vivo spektroskopische analyse von gewebe

Country Status (9)

Country Link
US (1) US6289230B1 (de)
EP (1) EP1094746B1 (de)
JP (1) JP4486253B2 (de)
AT (1) ATE225142T1 (de)
AU (1) AU4970499A (de)
CA (1) CA2333565C (de)
DE (1) DE69903306T2 (de)
ES (1) ES2185374T3 (de)
WO (1) WO2000001295A1 (de)

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CA2333565A1 (en) 2000-01-13
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