ES2179045T3 - Analisis espectrofotometrico de sangre. - Google Patents

Analisis espectrofotometrico de sangre.

Info

Publication number
ES2179045T3
ES2179045T3 ES93105261T ES93105261T ES2179045T3 ES 2179045 T3 ES2179045 T3 ES 2179045T3 ES 93105261 T ES93105261 T ES 93105261T ES 93105261 T ES93105261 T ES 93105261T ES 2179045 T3 ES2179045 T3 ES 2179045T3
Authority
ES
Spain
Prior art keywords
blood
devices
sodium
concentration
taken
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
ES93105261T
Other languages
English (en)
Inventor
Luis Oppenheimer
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.)
Coretech Medical Technologies Corp
Original Assignee
Coretech Medical Technologies Corp
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 GB929206954A external-priority patent/GB9206954D0/en
Priority claimed from GB929206967A external-priority patent/GB9206967D0/en
Priority claimed from GB929206970A external-priority patent/GB9206970D0/en
Application filed by Coretech Medical Technologies Corp filed Critical Coretech Medical Technologies Corp
Application granted granted Critical
Publication of ES2179045T3 publication Critical patent/ES2179045T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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 or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
    • A61B5/14535—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 for measuring haematocrit
    • 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
    • A61B5/14551—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 for measuring blood gases
    • A61B5/14557—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 for measuring blood gases specially adapted to extracorporeal circuits
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A61M1/3607—Regulation parameters
    • A61M1/3609—Physical characteristics of the blood, e.g. haematocrit, urea
    • 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
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
    • G01N21/532—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke with measurement of scattering and transmission
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/04—Investigating sedimentation of particle suspensions
    • G01N15/05—Investigating sedimentation of particle suspensions in blood
    • G01N2015/055—Investigating sedimentation of particle suspensions in blood for hematocrite determination
    • 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
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03—Cuvette constructions
    • G01N2021/0364—Cuvette constructions flexible, compressible
    • 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
    • G01N2021/3144—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 for oxymetry

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Optics & Photonics (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Vascular Medicine (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Cardiology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Anesthesiology (AREA)
  • Hematology (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Spectrometry And Color Measurement (AREA)

Abstract

SE PRESENTA UN METODO Y UN DISPOSITIVO QUE SON PARTICULARMENTE UTILES PARA LA MONITORIZACION CONTINUA EN LINEA DEL HEMATOCRITO Y OTROS PARAMETROS DE LA SANGRE. SE TOMA EN CONSIDERACION EL EFECTO DE CAMBIO EN LA COMPOSICION DEL ELECTROLITRO DE LA SANGRE, POR EJEMPLO, LA CONCENTRACION DE SODIO EN LA SANGRE. ESTE EFECTO SE HA DEMOSTRADO QUE CAMBIA LA GEOMETRIA DE LOS RAYOS DE LUZ, Y SE TOMA PARA SUMINISTRAR UNA MEDIDA DE LA CONCENTRACION DEL SODIO EN LA SANGRE. LOS DISPOSITIVOS PUEDEN APLICARSE A DISPOSITIVOS EXTRACORPORALES O A PARTES DEL CUERPO CAPACES DE SER TRANSILUMINADAS. LOS DISPOSITIVOS PUEDEN USARSE PARA OPTIMIZAR LA DIALISIS, Y TAMBIEN PARA MONITORIZAR LAS MACROMOLECULAS HEXOGENAS OPTICAMENTE DETECTABLES.
ES93105261T 1992-03-31 1993-03-30 Analisis espectrofotometrico de sangre. Expired - Lifetime ES2179045T3 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB929206954A GB9206954D0 (en) 1992-03-31 1992-03-31 Treatment of permeability pulmonary edema with macromolecular solutions
GB929206967A GB9206967D0 (en) 1992-03-31 1992-03-31 Edema management system
GB929206970A GB9206970D0 (en) 1992-03-31 1992-03-31 On-line devices to monitor blood parameters

Publications (1)

Publication Number Publication Date
ES2179045T3 true ES2179045T3 (es) 2003-01-16

Family

ID=27266121

Family Applications (1)

Application Number Title Priority Date Filing Date
ES93105261T Expired - Lifetime ES2179045T3 (es) 1992-03-31 1993-03-30 Analisis espectrofotometrico de sangre.

Country Status (5)

Country Link
US (1) US5331958A (es)
EP (1) EP0575712B1 (es)
JP (1) JP3378890B2 (es)
DE (1) DE69332325T2 (es)
ES (1) ES2179045T3 (es)

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EP0575712A3 (en) 1994-06-08
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DE69332325D1 (de) 2002-10-31
JP3378890B2 (ja) 2003-02-17

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