ES2146232T3 - Ensayo no invasivo. - Google Patents

Ensayo no invasivo.

Info

Publication number
ES2146232T3
ES2146232T3 ES93917056T ES93917056T ES2146232T3 ES 2146232 T3 ES2146232 T3 ES 2146232T3 ES 93917056 T ES93917056 T ES 93917056T ES 93917056 T ES93917056 T ES 93917056T ES 2146232 T3 ES2146232 T3 ES 2146232T3
Authority
ES
Spain
Prior art keywords
perception
methods
infrared detection
color
invasive test
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
ES93917056T
Other languages
English (en)
Inventor
Myron J Block
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.)
Optix LP
Original Assignee
Optix LP
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 Optix LP filed Critical Optix LP
Application granted granted Critical
Publication of ES2146232T3 publication Critical patent/ES2146232T3/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
    • A61B5/1455—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
    • 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
    • A61B5/14532—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 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
    • A61B5/145—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
    • A61B5/14546—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 analytes not otherwise provided for, e.g. ions, cytochromes
    • 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
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/359—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
    • 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
    • G01N21/4795—Scattering, i.e. diffuse reflection spatially resolved investigating of object in scattering medium
    • 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
    • G01N2021/3129—Determining multicomponents by multiwavelength light
    • G01N2021/3137—Determining multicomponents by multiwavelength light with selection of wavelengths after the sample

Landscapes

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

Abstract

HA SIDO DESARROLLADO UN NUEVO METODO DE DETECCION DE NO INVASION PARA LA GLUCOSA Y OTROS CONSTITUYENTES DE INTERES EN UNA MUESTRA. EL APARATO Y LOS METODOS DE LA INVENCION PROVEEN UN ANALOGO DE PERCEPCION DE COLOR DE LA VISION HUMANA, PREFERIBLEMENTE EN LA REGION INFRARROJA PROXIMA, REEMPLAZANDO LOS ESPECTROFOTOMETROS USADOS EN OTROS METODOS DE DETECCION DE INFRARROJOS PROXIMOS DE NO INVASION. UNA PLURALIDAD DE UNIDADES DETECTORAS SON USADOS, CADA UNA CUBRIENDO UNA REGION ANCHA DEL ESPECTRO DETECTADO, PERCEPCION DE COLOR PARALELA Y COLORIMETRIA. EN ALGUNAS CIRCUNSTANCIAS, UNA RED NEURAL ES USADA PARA EL ANALISIS, PERMITIENDO AL SISTEMA A APRENDER. ES TAMBIEN DESCRITO UN NUEVO METODO DE DISCRIMINACION DE FONDO.
ES93917056T 1992-07-15 1993-07-08 Ensayo no invasivo. Expired - Lifetime ES2146232T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/914,265 US5321265A (en) 1992-07-15 1992-07-15 Non-invasive testing

Publications (1)

Publication Number Publication Date
ES2146232T3 true ES2146232T3 (es) 2000-08-01

Family

ID=25434103

Family Applications (1)

Application Number Title Priority Date Filing Date
ES93917056T Expired - Lifetime ES2146232T3 (es) 1992-07-15 1993-07-08 Ensayo no invasivo.

Country Status (8)

Country Link
US (1) US5321265A (es)
EP (2) EP0650591B1 (es)
JP (1) JPH08502350A (es)
AU (1) AU4670293A (es)
CA (1) CA2140239C (es)
DE (1) DE69328363T2 (es)
ES (1) ES2146232T3 (es)
WO (1) WO1994002837A1 (es)

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Also Published As

Publication number Publication date
EP0967478A1 (en) 1999-12-29
WO1994002837A1 (en) 1994-02-03
CA2140239C (en) 2005-06-28
EP0650591B1 (en) 2000-04-12
DE69328363D1 (de) 2000-05-18
DE69328363T2 (de) 2000-08-10
JPH08502350A (ja) 1996-03-12
US5321265A (en) 1994-06-14
EP0650591A4 (en) 1995-11-08
EP0650591A1 (en) 1995-05-03
CA2140239A1 (en) 1994-02-03
AU4670293A (en) 1994-02-14

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