FR2409743A1 - Sonde de ph a fibres optiques - Google Patents

Sonde de ph a fibres optiques

Info

Publication number
FR2409743A1
FR2409743A1 FR7833324A FR7833324A FR2409743A1 FR 2409743 A1 FR2409743 A1 FR 2409743A1 FR 7833324 A FR7833324 A FR 7833324A FR 7833324 A FR7833324 A FR 7833324A FR 2409743 A1 FR2409743 A1 FR 2409743A1
Authority
FR
France
Prior art keywords
probe
membrane
passage
optical fiber
hollow
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
FR7833324A
Other languages
English (en)
Other versions
FR2409743B1 (fr
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.)
USA
Original Assignee
USA
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 USA filed Critical USA
Publication of FR2409743A1 publication Critical patent/FR2409743A1/fr
Application granted granted Critical
Publication of FR2409743B1 publication Critical patent/FR2409743B1/fr
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/75Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N21/78Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
    • G01N21/80Indicating pH value
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/145Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/14539Measuring 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 pH
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/145Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/1455Measuring 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
    • A61B5/1459Measuring 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 invasive, e.g. introduced into the body by a catheter
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/75Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N21/7703Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator using reagent-clad optical fibres or optical waveguides
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/22Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators
    • G01N31/221Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators for investigating pH value

Abstract

LA PRESENTE INVENTION CONCERNE UNE SONDE DE PH A FIBRES OPTIQUES. CETTE SONDE 10 PEUT ETRE IMPLANTEE DANS UN TISSU POUR DES ETUDES PHYSIOLOGIQUES. ELLE COMPREND UNE MEMBRANE PERMEABLE AUX IONS 11 AYANT LA FORME D'UN CYLINDRE CREUX ALLONGE, UNE PAIRE DE FIBRES OPTIQUES 12, 13, LES EXTREMITES DISTALES DES FIBRES ETANT SITUEES DANS LA MEMBRANE CREUSE, ET UN MATERIAU 14 CONTENANT UN COLORANT SENSIBLE AU PH SITUE DANS LA MEMBRANE CREUSE, CETTE MEMBRANE AYANT DES PORES D'UNE DIMENSION SUFFISAMMENT GRANDE POUR PERMETTRE LE PASSAGE DES IONS HYDROGENE TOUT EN EMPECHANT LE PASSAGE DU MATERIAU CONTENANT LE COLORANT. APPLICATION A LA DETERMINATION IN VIVO DU PH SANGUIN.
FR7833324A 1977-11-28 1978-11-24 Sonde de ph a fibres optiques Granted FR2409743A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/855,384 US4200110A (en) 1977-11-28 1977-11-28 Fiber optic pH probe

Publications (2)

Publication Number Publication Date
FR2409743A1 true FR2409743A1 (fr) 1979-06-22
FR2409743B1 FR2409743B1 (fr) 1984-01-06

Family

ID=25321113

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7833324A Granted FR2409743A1 (fr) 1977-11-28 1978-11-24 Sonde de ph a fibres optiques

Country Status (7)

Country Link
US (1) US4200110A (fr)
JP (1) JPS5485588A (fr)
CA (1) CA1121242A (fr)
DE (1) DE2851138A1 (fr)
FR (1) FR2409743A1 (fr)
GB (1) GB2009394B (fr)
NL (1) NL7811372A (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
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FR2461255A1 (fr) * 1979-07-10 1981-01-30 Hellige Gmbh Procede et dispositif pour la determination photometrique transcutanee de la concentration de constituants du sang
EP0036017A1 (fr) * 1979-09-20 1981-09-23 Richard G Buckles Appareil d'analyses.
EP0073558A2 (fr) * 1981-08-25 1983-03-09 THE UNITED STATES OF AMERICA as represented by the Secretary United States Department of Commerce Capteur à fibres optiques pour la mesure de pH de tissus
EP0080411A1 (fr) * 1981-11-20 1983-06-01 Societe D'etudes Scientifiques Et Industrielles De L'ile-De-France Indicateur coloré pour la détermination de l'hypoacidité de la muqueuse gastrique au cours de la gastroscopie
EP0321924A2 (fr) * 1987-12-23 1989-06-28 Willi Möller AG Matériau polymérique pouvant former une couche stable de protéine à sa surface après contact avec un matériau contenant des protéines, et utilisation de ce matériau polymérique

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US4200110A (en) 1980-04-29
FR2409743B1 (fr) 1984-01-06
GB2009394B (en) 1982-06-30
JPS6159727B2 (fr) 1986-12-17
NL7811372A (nl) 1979-05-30
CA1121242A (fr) 1982-04-06
DE2851138C2 (fr) 1990-07-05
GB2009394A (en) 1979-06-13

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