CA1087691A - Fibrillation monitor and defibrillator - Google Patents

Fibrillation monitor and defibrillator

Info

Publication number
CA1087691A
CA1087691A CA262,273A CA262273A CA1087691A CA 1087691 A CA1087691 A CA 1087691A CA 262273 A CA262273 A CA 262273A CA 1087691 A CA1087691 A CA 1087691A
Authority
CA
Canada
Prior art keywords
ecg
slope
circuit
threshold
segments
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
Application number
CA262,273A
Other languages
English (en)
French (fr)
Inventor
Alois A. Langer
Mieczyslaw Mirowski
Marlin S. Heilman
Morton M. Mower
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CA356,587A priority Critical patent/CA1106921A/en
Priority to CA356,586A priority patent/CA1106920A/en
Application granted granted Critical
Publication of CA1087691A publication Critical patent/CA1087691A/en
Expired 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
    • A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/362—Heart stimulators
    • A61N1/3621—Heart stimulators for treating or preventing abnormally high heart rate
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
    • A61B5/346—Analysis of electrocardiograms
    • A61B5/349—Detecting specific parameters of the electrocardiograph cycle
    • A61B5/361—Detecting fibrillation
    • 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
    • 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
    • A61N1/3956—Implantable devices for applying electric shocks to the heart, e.g. for cardioversion
    • 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
    • A61N1/3987—Heart defibrillators characterised by the timing or triggering of the shock

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Cardiology (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physiology (AREA)
  • Psychiatry (AREA)
  • Signal Processing (AREA)
  • Electrotherapy Devices (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
CA262,273A 1975-09-30 1976-09-29 Fibrillation monitor and defibrillator Expired CA1087691A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA356,587A CA1106921A (en) 1975-09-30 1980-07-18 Cardioverting apparatus
CA356,586A CA1106920A (en) 1975-09-30 1980-07-18 Method and apparatus for monitoring a heart

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US62002575A 1975-09-30 1975-09-30
US620,025 1975-09-30

Publications (1)

Publication Number Publication Date
CA1087691A true CA1087691A (en) 1980-10-14

Family

ID=24484280

Family Applications (1)

Application Number Title Priority Date Filing Date
CA262,273A Expired CA1087691A (en) 1975-09-30 1976-09-29 Fibrillation monitor and defibrillator

Country Status (5)

Country Link
JP (1) JPS5244089A (nl)
CA (1) CA1087691A (nl)
DE (2) DE2661005C2 (nl)
GB (1) GB1538522A (nl)
NL (1) NL177463C (nl)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2814457C3 (de) * 1978-04-04 1981-10-15 Institutsgemeinschaft Stuttgart e.V., 7000 Stuttgart Vorrichtung zur Erfassung des QRS-Komplexes aus einem elektrischen Herzaktionssignal
WO1980000006A1 (en) * 1978-06-02 1980-01-10 J Anderson Diagnostic apparatus
US4291699A (en) * 1978-09-21 1981-09-29 Purdue Research Foundation Method of and apparatus for automatically detecting and treating ventricular fibrillation
US4312356A (en) * 1979-03-07 1982-01-26 George Edgar Sowton Pacemakers for tachycardia control
US4295474A (en) * 1979-10-02 1981-10-20 The Johns Hopkins University Recorder with patient alarm and service request systems suitable for use with automatic implantable defibrillator
US4303075A (en) * 1980-02-11 1981-12-01 Mieczyslaw Mirowski Method and apparatus for maximizing stroke volume through atrioventricular pacing using implanted cardioverter/pacer
CA1171912A (en) * 1980-08-05 1984-07-31 Alois A. Langer Arrythmia detection system and method
US4407288B1 (en) * 1981-02-18 2000-09-19 Mieczyslaw Mirowski Implantable heart stimulator and stimulation method
US4559946A (en) * 1982-06-18 1985-12-24 Mieczyslaw Mirowski Method and apparatus for correcting abnormal cardiac activity by low energy shocks
JPH01136783U (nl) * 1988-03-11 1989-09-19
DE58909118D1 (de) * 1989-06-15 1995-04-20 Pacesetter Ab Verfahren und Einrichtung zum Detektieren einer Folge von anormalen Ereignissen in einem elektrischen Signal, insbesondere dem Depolarisationssignal eines Herzens.
US5301677A (en) * 1992-02-06 1994-04-12 Cardiac Pacemakers, Inc. Arrhythmia detector using delta modulated turning point morphology of the ECG wave
NO322399B1 (no) * 1999-09-07 2006-10-02 Laerdal Medical As System for a beregne sannsynlighetstallet for utfallet av et tenkt forestaende defibrillatorsjokk basert pa karakteristiske trekk ved hjertet malt under hjertestans og gjenoppliving
JP2008543479A (ja) * 2005-06-23 2008-12-04 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 自動ショックファースト／ｃｐｒファーストアルゴリズムを有する除細動器
US8942800B2 (en) 2012-04-20 2015-01-27 Cardiac Science Corporation Corrective prompting system for appropriate chest compressions

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3352300A (en) * 1964-10-28 1967-11-14 Fred A Rose Cardiac monitor
US3716059A (en) 1970-08-24 1973-02-13 Cardiac Resuscitator Corp Cardiac resuscitator

Also Published As

Publication number Publication date
NL177463C (nl) 1985-10-01
JPS5244089A (en) 1977-04-06
DE2643907A1 (de) 1977-04-07
GB1538522A (en) 1979-01-17
NL7610831A (nl) 1977-04-01
DE2661005C2 (nl) 1990-03-08
JPS5753108B2 (nl) 1982-11-11
NL177463B (nl) 1985-05-01

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Legal Events

Date Code Title Description
MKEX Expiry