WO2005045393A3 - Determination of a measure of a glycation end-product or disease state using tissue fluorescence - Google Patents

Determination of a measure of a glycation end-product or disease state using tissue fluorescence Download PDF

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Publication number
WO2005045393A3
WO2005045393A3 PCT/US2004/035462 US2004035462W WO2005045393A3 WO 2005045393 A3 WO2005045393 A3 WO 2005045393A3 US 2004035462 W US2004035462 W US 2004035462W WO 2005045393 A3 WO2005045393 A3 WO 2005045393A3
Authority
WO
WIPO (PCT)
Prior art keywords
tissue
measure
state
light
determination
Prior art date
Application number
PCT/US2004/035462
Other languages
French (fr)
Other versions
WO2005045393A2 (en
Inventor
L Edward Hull
Neal Ediger Marwood
Christopher D Brown
Robert Johnson
Original Assignee
Inlight Solutions Inc
L Edward Hull
Neal Ediger Marwood
Christopher D Brown
Robert Johnson
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 Inlight Solutions Inc, L Edward Hull, Neal Ediger Marwood, Christopher D Brown, Robert Johnson filed Critical Inlight Solutions Inc
Priority to CA2544204A priority Critical patent/CA2544204C/en
Priority to JP2006538173A priority patent/JP5053639B2/en
Priority to EP04796435A priority patent/EP1686888A4/en
Priority to KR1020137002182A priority patent/KR20130014646A/en
Priority to KR1020077011070A priority patent/KR101268428B1/en
Publication of WO2005045393A2 publication Critical patent/WO2005045393A2/en
Publication of WO2005045393A3 publication Critical patent/WO2005045393A3/en

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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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0062—Arrangements for scanning
    • A61B5/0064—Body surface scanning
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0062—Arrangements for scanning
    • A61B5/0066—Optical coherence imaging
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0062—Arrangements for scanning
    • A61B5/0068—Confocal scanning
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0071—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence by measuring fluorescence emission
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0075—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence by spectroscopy, i.e. measuring spectra, e.g. Raman spectroscopy, infrared absorption spectroscopy
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/41—Detecting, measuring or recording for evaluating the immune or lymphatic systems
    • A61B5/412—Detecting or monitoring sepsis
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/44—Detecting, measuring or recording for evaluating the integumentary system, e.g. skin, hair or nails
    • A61B5/441—Skin evaluation, e.g. for skin disorder diagnosis
    • 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

Abstract

A method of determining a measure of a tissue state (e.g., glycation end-product or disease state) in an individual is disclosed. A portion of the individual’s tissue is illuminated with excitation light from a light source subsystem (A) and light emitted by the tissue due to fluorescence of a chemical within the tissue responsive to the excitation light is detected by a detection subsystem (C). The detected light can be combined with a model stores in the signal processor (D), which relates fluorescence with a measure of tissue state to determine a tissue state. Correction techniques can be used to reduce errors due to the detection of non-fluorescent light, such as the reflectance of the tissue. Other biologic information can also be sued in combination with the fluorescence properties to aid in the determination of a measure of tissue state.
PCT/US2004/035462 2003-10-28 2004-10-26 Determination of a measure of a glycation end-product or disease state using tissue fluorescence WO2005045393A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CA2544204A CA2544204C (en) 2003-10-28 2004-10-26 Determination of a measure of a glycation end-product or disease state using tissue fluorescence
JP2006538173A JP5053639B2 (en) 2003-10-28 2004-10-26 Determination of glycation end products or disease state measures using tissue fluorescence
EP04796435A EP1686888A4 (en) 2003-10-28 2004-10-26 Determination of a measure of a glycation end-product or disease state using tissue fluorescence
KR1020137002182A KR20130014646A (en) 2003-10-28 2004-10-26 Determination of a measure of a glycation end-product or disease state using tissue fluorescence
KR1020077011070A KR101268428B1 (en) 2003-10-28 2004-10-26 Determination of a Measure of a Glycation End-Product or Disease State Using Tissue Fluorescence

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US51534303P 2003-10-28 2003-10-28
US60/515,343 2003-10-28
US10/972,173 US7139598B2 (en) 2002-04-04 2004-10-22 Determination of a measure of a glycation end-product or disease state using tissue fluorescence
US10/972,173 2004-10-22

Publications (2)

Publication Number Publication Date
WO2005045393A2 WO2005045393A2 (en) 2005-05-19
WO2005045393A3 true WO2005045393A3 (en) 2005-09-15

Family

ID=34576761

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/035462 WO2005045393A2 (en) 2003-10-28 2004-10-26 Determination of a measure of a glycation end-product or disease state using tissue fluorescence

Country Status (8)

Country Link
US (4) US7139598B2 (en)
EP (1) EP1686888A4 (en)
JP (2) JP5053639B2 (en)
KR (2) KR101268428B1 (en)
CN (1) CN102697510B (en)
CA (1) CA2544204C (en)
HK (1) HK1103004A1 (en)
WO (1) WO2005045393A2 (en)

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