CA2027561A1 - Ameliorations de diagnostic au moyen de lumiere fluorescente provenant de tissu - Google Patents

Ameliorations de diagnostic au moyen de lumiere fluorescente provenant de tissu

Info

Publication number
CA2027561A1
CA2027561A1 CA2027561A CA2027561A CA2027561A1 CA 2027561 A1 CA2027561 A1 CA 2027561A1 CA 2027561 A CA2027561 A CA 2027561A CA 2027561 A CA2027561 A CA 2027561A CA 2027561 A1 CA2027561 A1 CA 2027561A1
Authority
CA
Canada
Prior art keywords
tissue
diagnosis
light emission
spectral intervals
fluorescent light
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.)
Granted
Application number
CA2027561A
Other languages
English (en)
Other versions
CA2027561C (fr
Inventor
Stefan Andersson-Engels
Jonas Johansson
Unne Stenram
Katarina Svanberg
Sune Svanberg
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.)
Novadaq Technologies ULC
Original Assignee
Stefan Andersson-Engels
Jonas Johansson
Unne Stenram
Katarina Svanberg
Sune Svanberg
Spectraphos Ab
Xillix Technologies Corp.
Novadaq Technologies 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 Stefan Andersson-Engels, Jonas Johansson, Unne Stenram, Katarina Svanberg, Sune Svanberg, Spectraphos Ab, Xillix Technologies Corp., Novadaq Technologies Inc. filed Critical Stefan Andersson-Engels
Publication of CA2027561A1 publication Critical patent/CA2027561A1/fr
Application granted granted Critical
Publication of CA2027561C publication Critical patent/CA2027561C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G01N21/6408—Fluorescence; Phosphorescence with measurement of decay time, time resolved fluorescence
    • 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
    • G01N21/645—Specially adapted constructive features of fluorimeters
    • G01N21/6456—Spatial resolved fluorescence measurements; Imaging
    • 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
    • G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
    • G01N2021/317—Special constructive features
    • G01N2021/3177—Use of spatially separated filters in simultaneous way
    • 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
    • G01N2021/6417—Spectrofluorimetric devices
    • G01N2021/6421—Measuring at two or more wavelengths

Landscapes

  • Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Endoscopes (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
CA002027561A 1989-02-22 1990-02-21 Ameliorations de diagnostic au moyen de lumiere fluorescente provenant de tissu Expired - Lifetime CA2027561C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE8900612-6 1989-02-22
SE8900612A SE8900612D0 (sv) 1989-02-22 1989-02-22 Vaevnadskarakterisering utnyttjande ett blodfritt fluorescenskriterium
PCT/SE1990/000118 WO1990010219A1 (fr) 1989-02-22 1990-02-21 Ameliorations relatives au diagnostic, au moyen d'emissions de lumiere fluorescente provenant de tissus

Publications (2)

Publication Number Publication Date
CA2027561A1 true CA2027561A1 (fr) 1990-08-23
CA2027561C CA2027561C (fr) 2001-02-20

Family

ID=20375131

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002027561A Expired - Lifetime CA2027561C (fr) 1989-02-22 1990-02-21 Ameliorations de diagnostic au moyen de lumiere fluorescente provenant de tissu

Country Status (9)

Country Link
US (1) US5115137A (fr)
EP (1) EP0411104B1 (fr)
JP (4) JP3187416B2 (fr)
AU (1) AU638978B2 (fr)
CA (1) CA2027561C (fr)
DE (1) DE69015916T2 (fr)
ES (1) ES2067021T3 (fr)
SE (1) SE8900612D0 (fr)
WO (1) WO1990010219A1 (fr)

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JPS5940869A (ja) * 1982-08-31 1984-03-06 工業技術院長 レ−ザ光パルスを用いた癌の治療装置
SE455646B (sv) * 1984-10-22 1988-07-25 Radians Innova Ab Fluorescensanordning
US4682594A (en) * 1985-03-11 1987-07-28 Mcm Laboratories, Inc. Probe-and-fire lasers
US4718417A (en) * 1985-03-22 1988-01-12 Massachusetts Institute Of Technology Visible fluorescence spectral diagnostic for laser angiosurgery
JPS62247232A (ja) * 1986-04-21 1987-10-28 Agency Of Ind Science & Technol 蛍光測定装置
US4785806A (en) * 1987-01-08 1988-11-22 Yale University Laser ablation process and apparatus

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JP3187416B2 (ja) 2001-07-11
DE69015916D1 (de) 1995-02-23
EP0411104A1 (fr) 1991-02-06
AU638978B2 (en) 1993-07-15
SE8900612D0 (sv) 1989-02-22
EP0411104B1 (fr) 1995-01-11
US5115137A (en) 1992-05-19
DE69015916T2 (de) 1995-08-10
AU5193790A (en) 1990-09-26
JP3497854B2 (ja) 2004-02-16
ES2067021T3 (es) 1995-03-16
JPH03504280A (ja) 1991-09-19
JP2003329589A (ja) 2003-11-19
JP2000175887A (ja) 2000-06-27
JP3773921B2 (ja) 2006-05-10
WO1990010219A1 (fr) 1990-09-07
CA2027561C (fr) 2001-02-20
JP2003057182A (ja) 2003-02-26

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