ES2093243T3 - Sistema de medida no invasivo del nivel de glucosa en sangre. - Google Patents

Sistema de medida no invasivo del nivel de glucosa en sangre.

Info

Publication number
ES2093243T3
ES2093243T3 ES92900420T ES92900420T ES2093243T3 ES 2093243 T3 ES2093243 T3 ES 2093243T3 ES 92900420 T ES92900420 T ES 92900420T ES 92900420 T ES92900420 T ES 92900420T ES 2093243 T3 ES2093243 T3 ES 2093243T3
Authority
ES
Spain
Prior art keywords
laser beam
aqueous humor
pump
probe
ocular aqueous
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
ES92900420T
Other languages
English (en)
Inventor
Randall V Tarr
Paul G Steffes
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.)
Georgia Tech Research Institute
Georgia Tech Research Corp
Original Assignee
Georgia Tech Research Institute
Georgia Tech Research 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
Application filed by Georgia Tech Research Institute, Georgia Tech Research Corp filed Critical Georgia Tech Research Institute
Application granted granted Critical
Publication of ES2093243T3 publication Critical patent/ES2093243T3/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, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/1455—Measuring 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
    • 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, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/14532—Measuring 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 glucose, e.g. by tissue impedance measurement

Landscapes

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

Abstract

UNA ESPECTROSCOPIA RAMAN ESTIMULADA SE UTILIZA PARA MEDIR DE FORMA NO INVASIVA LA CONCENTRACION DE UNA MOLECULA ACTIVA RAMAN, PREFERIBLEMENTE D-GLUCOSA EN EL HUMOR ACUOSO OCULAR DE UN SER VIVO. EL APARATO Y METODO HACE USO DE DOS RAYOS LASER MONOCROMATICOS, UN RAYO LASER DE BOMBA Y UN RAYO LASER DE EXPLORACION. LA POTENCIA DE SALIDA DEL RAYO LASER DE BOMBA ES DE AMPLITUD MODULADA, COMBINADA CON EL RAYO LASER DE EXPLORACION Y DIRIGIDO AL HUMOR ACUOSO OCULAR. LA INTRODUCCION DE LOS RAYOS LASER EN EL HUMOR ACUOSO OCULAR INDUCE LA RADIACION RAMAN DISPERSADA, QUE HACE QUE UNA PARTE DE LA ENERGIA EN LA FRECUENCIA DE LA BOMBA SE DESPLACE SOBRE LA FRECUENCIA DE EXPLORACION. LOS RAYOS LASER DE BOMBA Y DE EXPLORACION SON A CONTINUACION DETECTADOS MIENTRAS MUESTRAN EL HUMOR ACUOSO OCULAR. EL RAYO LASER DE EXPLORACION ES FILTRADO, CONVERTIDO EN UNA SEÑAL ELECTRICA Y AMPLIFICADO. A CONTINUACION ES COMPARADO CON LA SEÑAL DE MODULACION PARA GENERAR UNA SEÑAL ELECTRICA REPRESENTATIVA DE LA CONCENTRACION DED-GLUCOSA EN EL HUMOR ACUOSO OCULAR.
ES92900420T 1990-12-14 1991-11-12 Sistema de medida no invasivo del nivel de glucosa en sangre. Expired - Lifetime ES2093243T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/627,631 US5243983A (en) 1990-12-14 1990-12-14 Non-invasive blood glucose measurement system and method using stimulated raman spectroscopy

Publications (1)

Publication Number Publication Date
ES2093243T3 true ES2093243T3 (es) 1996-12-16

Family

ID=24515435

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92900420T Expired - Lifetime ES2093243T3 (es) 1990-12-14 1991-11-12 Sistema de medida no invasivo del nivel de glucosa en sangre.

Country Status (10)

Country Link
US (1) US5243983A (es)
EP (1) EP0561872B1 (es)
JP (1) JP2677452B2 (es)
AT (1) ATE141478T1 (es)
CA (1) CA2097602C (es)
DE (1) DE69121589T2 (es)
DK (1) DK0561872T3 (es)
ES (1) ES2093243T3 (es)
GR (1) GR3020938T3 (es)
WO (1) WO1992010131A1 (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020152380A1 (es) 2019-01-22 2020-07-30 Universidad De Sevilla Dispositivo portable y método para la estimación no invasiva del nivel de glucosa en sangre

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* Cited by examiner, † Cited by third party
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