ES2183010T3 - Aparato para la medicion no invasiva in vivo de un parametro biologico referente a un fluido corporal de personas o animiales. - Google Patents

Aparato para la medicion no invasiva in vivo de un parametro biologico referente a un fluido corporal de personas o animiales.

Info

Publication number
ES2183010T3
ES2183010T3 ES96932860T ES96932860T ES2183010T3 ES 2183010 T3 ES2183010 T3 ES 2183010T3 ES 96932860 T ES96932860 T ES 96932860T ES 96932860 T ES96932860 T ES 96932860T ES 2183010 T3 ES2183010 T3 ES 2183010T3
Authority
ES
Spain
Prior art keywords
measuring
electrodes
bio
measure
pair
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
ES96932860T
Other languages
English (en)
Inventor
Robert Martin Heethaar
Hendrik Gebhard Goovaerts
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.)
A J van Liebergen Holding BV
Original Assignee
A J van Liebergen Holding BV
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 A J van Liebergen Holding BV filed Critical A J van Liebergen Holding BV
Application granted granted Critical
Publication of ES2183010T3 publication Critical patent/ES2183010T3/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
    • A61B5/48—Other medical applications
    • A61B5/4869—Determining body composition
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/026—Measuring blood flow
    • A61B5/0295—Measuring blood flow using plethysmography, i.e. measuring the variations in the volume of a body part as modified by the circulation of blood therethrough, e.g. impedance plethysmography
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • A61B5/053—Measuring electrical impedance or conductance of a portion of the body
    • A61B5/0535—Impedance plethysmography
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • A61B5/053—Measuring electrical impedance or conductance of a portion of the body
    • A61B5/0537—Measuring body composition by impedance, e.g. tissue hydration or fat content
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7235—Details of waveform analysis
    • A61B5/7239—Details of waveform analysis using differentiation including higher order derivatives

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Hematology (AREA)
  • Cardiology (AREA)
  • Physiology (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Investigating Or Analysing Biological Materials (AREA)

Abstract

LA INVENCION HACE REFERENCIA A UN DISPOSITIVO PARA LA MEDIDA IN VIVO DE FORMA NO INVASIVA DE UN PARAMETRO BIOLOGICO RELATIVO A LOS FLUIDOS CORPORALES DE UNA PERSONA O ANIMAL SEGUN UN MODELO DE CALCULO, EN EL QUE EL DISPOSITIVO POSEE CONEXIONES PARA, AL MENOS, DOS PARES DE ELECTRODOS (2 - 5, 8 - 11) A SITUAR SOBRE LA PIEL DE UNA PARTE DEL CUERPO, UN PAR DE ELECTRODOS DE ENTRADA (2, 3, 8, 9) PARA SUMINISTRAR UNA CORRIENTE ALTERNA DE MEDIDA A LA PARTE DEL CUERPO Y UN PAR DE ELECTRODOS DE MEDIDA (4, 5, 10, 11) PARA MEDIR LA TENSION EN EL PAR DE ELECTRODOS DE MEDIDA, QUE COMPRENDEN UNA FUENTE DE CORRIENTE (7, 12) QUE PROPORCIONA LA CORRIENTE ALTERNA DE MEDIDA, UN TRANSFORMADOR (31) PARA LA TRANSFORMACION DE LA TENSION DE MEDIDA EN UNA SEÑAL DE BIOIMPEDANCIA, CONSTITUYENDO UNA MEDIDA DE LA BIOIMPEDANCIA DE LA PARTE DEL CUERPO, Y UN DISPOSITIVO PARA LA GENERACION DE SEÑALES QUE CONSTITUYEN UNA MEDIDA DE PARAMETROS ADICIONALES, CON CUYA AYUDA PUEDEN DETERMINARSE LOS PARAMETROS A DETERMINAR POR MEDIO DEL MODELO DE CALCULO, COMPRENDIENDO LAS SEÑALES CITADAS UNA SEÑAL QUE CONSTITUYE UNA MEDIDA DE LA DERIVADA RESPECTO AL TIEMPO DE LA SEÑAL DE BIOIMPEDANCIA. LA FUENTE DE CORRIENTE (7, 12) POSEE UNA CONFIGURACION DE RADIACION MINIMA Y ES ADECUADA PARA GENERAR UNA CORRIENTE DE MEDIDA QUE POSEE UNA AMPLITUD CONSTANTE EN, AL MENOS, DOS FRECUENCIAS, UNA FRECUENCIA BAJA Y UNA FRECUENCIA ALTA, EN UN RANGO DE FRECUENCIA DE HASTA UNOS 2000 KHZ.
ES96932860T 1995-09-26 1996-09-25 Aparato para la medicion no invasiva in vivo de un parametro biologico referente a un fluido corporal de personas o animiales. Expired - Lifetime ES2183010T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1001282A NL1001282C2 (nl) 1995-09-26 1995-09-26 Inrichting voor slagvolumebepaling van een menselijk hart.

Publications (1)

Publication Number Publication Date
ES2183010T3 true ES2183010T3 (es) 2003-03-16

Family

ID=19761625

Family Applications (1)

Application Number Title Priority Date Filing Date
ES96932860T Expired - Lifetime ES2183010T3 (es) 1995-09-26 1996-09-25 Aparato para la medicion no invasiva in vivo de un parametro biologico referente a un fluido corporal de personas o animiales.

Country Status (11)

Country Link
US (1) US6339722B1 (es)
EP (1) EP0855875B1 (es)
JP (1) JP3935937B2 (es)
AT (1) ATE222726T1 (es)
AU (1) AU7146996A (es)
DE (1) DE69623304T2 (es)
ES (1) ES2183010T3 (es)
IL (1) IL123763A (es)
NL (1) NL1001282C2 (es)
NO (1) NO325522B1 (es)
WO (1) WO1997011638A2 (es)

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Also Published As

Publication number Publication date
US6339722B1 (en) 2002-01-15
IL123763A0 (en) 1998-10-30
JP3935937B2 (ja) 2007-06-27
AU7146996A (en) 1997-04-17
NO981304L (no) 1998-05-15
DE69623304T2 (de) 2003-07-31
EP0855875A2 (en) 1998-08-05
DE69623304D1 (de) 2002-10-02
NL1001282C2 (nl) 1997-03-28
IL123763A (en) 2003-04-10
EP0855875B1 (en) 2002-08-28
WO1997011638A3 (en) 1997-05-29
ATE222726T1 (de) 2002-09-15
NO981304D0 (no) 1998-03-23
WO1997011638A2 (en) 1997-04-03
NO325522B1 (no) 2008-06-02
JPH11511371A (ja) 1999-10-05

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