FR2521727A2 - Dispositif pour mesurer l'etat d'oxydo-reduction d'un organe vivant in situ - Google Patents

Dispositif pour mesurer l'etat d'oxydo-reduction d'un organe vivant in situ Download PDF

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Publication number
FR2521727A2
FR2521727A2 FR8202323A FR8202323A FR2521727A2 FR 2521727 A2 FR2521727 A2 FR 2521727A2 FR 8202323 A FR8202323 A FR 8202323A FR 8202323 A FR8202323 A FR 8202323A FR 2521727 A2 FR2521727 A2 FR 2521727A2
Authority
FR
France
Prior art keywords
fiber
radiation
face
axis
organ
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
FR8202323A
Other languages
English (en)
French (fr)
Other versions
FR2521727B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Guy Renault
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.)
Compagnie Industriel des Lasers CILAS SA
Original Assignee
Compagnie Industriel des Lasers CILAS SA
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 claimed from FR8105948A external-priority patent/FR2502783A1/fr
Application filed by Compagnie Industriel des Lasers CILAS SA filed Critical Compagnie Industriel des Lasers CILAS SA
Priority to FR8202323A priority Critical patent/FR2521727A2/fr
Priority to DE19823210593 priority patent/DE3210593A1/de
Priority to US06/362,012 priority patent/US4449535A/en
Publication of FR2521727A2 publication Critical patent/FR2521727A2/fr
Application granted granted Critical
Publication of FR2521727B2 publication Critical patent/FR2521727B2/fr
Granted legal-status Critical Current

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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
    • G01N21/6486—Measuring fluorescence of biological material, e.g. DNA, RNA, cells
    • 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
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
    • A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
    • A61B5/1459—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue using optical sensors, e.g. spectral photometrical oximeters invasive, e.g. introduced into the body by a catheter
    • 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
    • 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
    • G01N2021/6484—Optical fibres

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Engineering & Computer Science (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Immunology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Physics & Mathematics (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Optics & Photonics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
FR8202323A 1981-03-25 1982-02-12 Dispositif pour mesurer l'etat d'oxydo-reduction d'un organe vivant in situ Granted FR2521727A2 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR8202323A FR2521727A2 (fr) 1981-03-25 1982-02-12 Dispositif pour mesurer l'etat d'oxydo-reduction d'un organe vivant in situ
DE19823210593 DE3210593A1 (de) 1981-03-25 1982-03-23 Vorrichtung zum messen des oxido-reduktionszustands eines organs am lebenden objekt
US06/362,012 US4449535A (en) 1981-03-25 1982-03-25 Apparatus for measuring in situ the state of oxidation-reduction of a living organ

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8105948A FR2502783A1 (fr) 1981-03-25 1981-03-25 Dispositif pour mesurer l'etat d'oxydo-reduction d'un organe vivant in situ
FR8202323A FR2521727A2 (fr) 1981-03-25 1982-02-12 Dispositif pour mesurer l'etat d'oxydo-reduction d'un organe vivant in situ

Publications (2)

Publication Number Publication Date
FR2521727A2 true FR2521727A2 (fr) 1983-08-19
FR2521727B2 FR2521727B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1984-12-07

Family

ID=26222296

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8202323A Granted FR2521727A2 (fr) 1981-03-25 1982-02-12 Dispositif pour mesurer l'etat d'oxydo-reduction d'un organe vivant in situ

Country Status (3)

Country Link
US (1) US4449535A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3210593A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2521727A2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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Also Published As

Publication number Publication date
US4449535A (en) 1984-05-22
FR2521727B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1984-12-07
DE3210593A1 (de) 1982-10-28

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