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ES2119150T3 - Estetoscopio electronico. - Google Patents

Estetoscopio electronico.

Info

Publication number
ES2119150T3
ES2119150T3 ES94900696T ES94900696T ES2119150T3 ES 2119150 T3 ES2119150 T3 ES 2119150T3 ES 94900696 T ES94900696 T ES 94900696T ES 94900696 T ES94900696 T ES 94900696T ES 2119150 T3 ES2119150 T3 ES 2119150T3
Authority
ES
Spain
Prior art keywords
sounds
interest
passing
electric signal
filter unit
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
ES94900696T
Other languages
English (en)
Inventor
Jocelyn Durand
Louis-Gilles Durand
Marie-Claude Grenier
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.)
Andromed Inc
Original Assignee
Andromed Inc
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 Andromed Inc filed Critical Andromed Inc
Application granted granted Critical
Publication of ES2119150T3 publication Critical patent/ES2119150T3/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
    • A61B7/00—Instruments for auscultation
    • A61B7/02—Stethoscopes
    • A61B7/04—Electric stethoscopes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B7/00—Instruments for auscultation
    • A61B7/005—Detecting noise caused by implants, e.g. cardiac valves
    • 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 for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/024—Measuring pulse rate or heart rate
    • A61B5/0245—Measuring pulse rate or heart rate by using sensing means generating electric signals, i.e. ECG signals
    • A61B5/025—Measuring pulse rate or heart rate by using sensing means generating electric signals, i.e. ECG signals within occluders, e.g. responsive to Korotkoff sounds

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Cardiology (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Dentistry (AREA)
  • Vascular Medicine (AREA)
  • Signal Processing (AREA)
  • Physiology (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)

Abstract

EL ESTETOSCOPIO ELECTRONICO ESTA DISEÑADO PARA REDUCIR LA INFLUENCIA DE DIFERENTES TIPOS DE RUIDO MIENTRAS SE OPTIMIZA LA AUSCULTACION DE LOS SONIDOS DE INTERES, Y PARA PERMITIR AL CARDIOLOGO AUSCULTAR VALVULAS CARDIACAS MECANICAS. COMPRENDE UNA SONDA PARA PERCIBIR SONIDOS DE INTERES PRODUCIDOS EN EL CUERPO DE UN PACIENTE Y PARA CONVERTIR ESTOS SONIDOS EN UNA SEÑAL ELECTRICA, Y UN AMPLIFICADOR DE SONIDO Y AURICULARES PARA REPRODUCIR LOS SONIDOS DE INTERES EN RESPUESTA A ESTA SEÑAL ELECTRICA. EL ESTETOSCOPIO COMPRENDE: (A) UNA PRIMERA UNIDAD DE FILTRO QUE TIENE UNA RESPUESTA DE FRECUENCIA QUE OPTIMIZA EL FILTRADO DE VIBRACIONES Y PASA DE LOS COMPONENTES DE SONIDO DE BAJA FRECUENCIA DE INTERES EN EL RANGO INCLUYENDO LAS FRECUENCIAS INFERIORES A 75 HZ; (B) UNA SEGUNDA UNIDAD DE FILTRO QUE TIENE UNA RESPUESTA DE FRECUENCIA QUE OPTIMIZA TANTO LA ATENUACION DEL RUIDO AMBIENTAL Y QUE PASA DE LOS COMPONENTES DE SONIDO DE INTERES EN EL RANGO DE 110-1300 HZ, CONSIDERANDO LA VARIACION DE SENSIBILIDADDEL OIDO HUMANO EN FUNCION DE FRECUENCIA; (C) UNA TERCERA UNIDAD DE FILTRO PARA PASAR LOS SONIDOS DE LAS VALVULAS CARDIACAS MECANICAS; Y (D) UN DETECTOR DE NIVEL QUE DETECTA EL NIVEL DE AMPLITUD DE LA SEÑAL ELECTRICA PARA ACTIVAR UN GENERADOR DE PULSOS DEL CUAL SE APLICAN LOS PULSOS AL AMPLIFICADOR DE SONIDO PARA DESACTIVAR MOMENTANEAMENTE Y REPETIDAMENTE ESTE AMPLIFICADOR DE SONIDO CUANDO EL NIVEL DE AMPLITUD DETECTADO SEA SUPERIOR A UN UMBRAL DEL NIVEL DE AMPLITUD PREDETERMINADO.
ES94900696T 1992-12-07 1993-12-07 Estetoscopio electronico. Expired - Lifetime ES2119150T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US98659692A 1992-12-07 1992-12-07

Publications (1)

Publication Number Publication Date
ES2119150T3 true ES2119150T3 (es) 1998-10-01

Family

ID=25532576

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94900696T Expired - Lifetime ES2119150T3 (es) 1992-12-07 1993-12-07 Estetoscopio electronico.

Country Status (10)

Country Link
US (1) US5602924A (es)
EP (1) EP0671895B1 (es)
JP (1) JPH08503867A (es)
KR (1) KR950703891A (es)
AT (1) ATE165962T1 (es)
AU (1) AU679473B2 (es)
CA (1) CA2140658C (es)
DE (1) DE69318569T2 (es)
ES (1) ES2119150T3 (es)
WO (1) WO1994013206A1 (es)

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DE69318569T2 (de) 1998-11-26
CA2140658A1 (en) 1994-06-23
DE69318569D1 (de) 1998-06-18
CA2140658C (en) 2001-07-24
ATE165962T1 (de) 1998-05-15
JPH08503867A (ja) 1996-04-30
EP0671895B1 (en) 1998-05-13
AU679473B2 (en) 1997-07-03
KR950703891A (ko) 1995-11-17
US5602924A (en) 1997-02-11
AU5558794A (en) 1994-07-04
EP0671895A1 (en) 1995-09-20
WO1994013206A1 (en) 1994-06-23

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