ES2156368T3 - Sistema de medicion de impedancia de derivacion de cardioversion/desfibrilacion. - Google Patents

Sistema de medicion de impedancia de derivacion de cardioversion/desfibrilacion.

Info

Publication number
ES2156368T3
ES2156368T3 ES97910098T ES97910098T ES2156368T3 ES 2156368 T3 ES2156368 T3 ES 2156368T3 ES 97910098 T ES97910098 T ES 97910098T ES 97910098 T ES97910098 T ES 97910098T ES 2156368 T3 ES2156368 T3 ES 2156368T3
Authority
ES
Spain
Prior art keywords
driver
drivers
excitation
defibrillation
measured
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
ES97910098T
Other languages
English (en)
Inventor
Robert J Schuelke
Barbara Schmid
Jonathan R Gering
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.)
Medtronic Inc
Original Assignee
Medtronic 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 Medtronic Inc filed Critical Medtronic Inc
Application granted granted Critical
Publication of ES2156368T3 publication Critical patent/ES2156368T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/38—Applying electric currents by contact electrodes alternating or intermittent currents for producing shock effects
    • A61N1/39—Heart defibrillators
    • A61N1/3925—Monitoring; Protecting
    • A61N1/3937—Monitoring output parameters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/362—Heart stimulators
    • A61N1/37—Monitoring; Protecting
    • A61N1/3706—Pacemaker parameters

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Cardiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Electrotherapy Devices (AREA)

Abstract

SE DESCRIBE UN SISTEMA DE MEDICION DE LA INTEGRIDAD DE CONDUCTORES PARA UN MARCAPASOS/CARDIOVERSOR/DESFIBRILADOR (MCD) CARDIACO, DEL TIPO QUE COMPRENDE UN GENERADOR DE IMPULSOS IMPLANTABLE (GPI) Y UN SISTEMA DE CONDUCTORES, QUE INCLUYE UNO O MAS CONDUCTORES MARCAPASOS, CADA UNO DE LOS CUALES TIENE UN EXTREMO PROXIMAL ACOPLADO A UN TERMINAL MARCAPASOS DEL GPI, Y UN EXTREMO DISTAL CON AL MENOS UN ELECTRODO DE MARCACION/DETECCION EN CONTACTO CON EL CORAZON DE UN PACIENTE, Y UN PAR DE CONDUCTORES DE DESFIBRILACION ACOPLADOS A TERMINALES DESFIBRILADORES DEL GPI Y ELECTRODOS DE DESFIBRILACION IMPLANTADOS EN RELACION CON EL CORAZON DEL PACIENTE. EN UN MODO DE PRUEBA DE IMPEDANCIA DE CONDUCTORES, EL TERMINAL DE UN CONDUCTOR SELECCIONADO DE DESFIBRILACION QUE SE PRUEBA VA ACOPLADO A LA MASA DEL SISTEMA, Y SE APLICA UNA TENSION DE EXCITACION EN UN RECORRIDO DE EXCITACION DESDE UN TERMINAL CONDUCTOR FORZADO SELECCIONADO ENTRE LOS CONDUCTORES MARCADORES. UN CONDUCTOR DE MEDICION SE ELIGE DE ENTRE LOS DEMAS CONDUCTORES MARCAPASOS Y CONDUCTORES DE DESFIBRILACION, Y LA TENSION INDUCIDA EN EL CONDUCTOR QUE SE ENSAYA SE MIDE A TRAVES DEL CONDUCTOR DE MEDICION Y LA ZONA DE CONTACTO ELECTRODO/TEJIDO DEL CONDUCTOR DE MEDICION Y EL CONDUCTOR DE DESFIBRILACION QUE SE PRUEBAN. TAMBIEN SE MIDE LA CORRIENTE APLICADA EN EL RECORRIDO DE EXCITACION, Y SE DERIVA UN VALOR DE IMPEDANCIA A PARTIR DE LOS VALORES MEDIDOS DE CORRIENTE Y TENSION. EL ENSAYO CONTINUA CON OTRAS SELECCIONES DE RECORRIDO DE EXCITACION Y MEDIDA. LAS COMPARACIONES DE LAS IMPEDANCIAS MEDIDAS CON LOS VALORES MAXIMO Y MINIMO DE IMPEDANCIA SE USAN PARA DETERMINAR LOS FALLOS DE INTEGRIDAD DE LOS CONDUCTORES. LA IMPEDANCIA ENTRE DOS CONDUCTORES DE DESFIBRILACION SE DETERMINA EN FUNCION DE LA SUMA DE LAS IMPEDANCIAS DE LOS CONDUCTORES DE DESFIBRILACION DERIVADOS.
ES97910098T 1996-11-05 1997-10-08 Sistema de medicion de impedancia de derivacion de cardioversion/desfibrilacion. Expired - Lifetime ES2156368T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/741,757 US5755742A (en) 1996-11-05 1996-11-05 Cardioversion/defibrillation lead impedance measurement system

Publications (1)

Publication Number Publication Date
ES2156368T3 true ES2156368T3 (es) 2001-06-16

Family

ID=24982048

Family Applications (1)

Application Number Title Priority Date Filing Date
ES97910098T Expired - Lifetime ES2156368T3 (es) 1996-11-05 1997-10-08 Sistema de medicion de impedancia de derivacion de cardioversion/desfibrilacion.

Country Status (8)

Country Link
US (1) US5755742A (es)
EP (1) EP0944413B1 (es)
JP (1) JP2001505093A (es)
AU (1) AU4755997A (es)
CA (1) CA2268892C (es)
DE (1) DE69704170T2 (es)
ES (1) ES2156368T3 (es)
WO (1) WO1998019738A1 (es)

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EP0944413B1 (en) 2001-02-28
WO1998019738A1 (en) 1998-05-14
DE69704170T2 (de) 2001-06-21
EP0944413A1 (en) 1999-09-29
CA2268892C (en) 2005-12-06
US5755742A (en) 1998-05-26
JP2001505093A (ja) 2001-04-17
AU4755997A (en) 1998-05-29
DE69704170D1 (de) 2001-04-05
CA2268892A1 (en) 1998-05-14

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