CA2086713A1 - Implantable cardiac patient monitor - Google Patents

Implantable cardiac patient monitor

Info

Publication number
CA2086713A1
CA2086713A1 CA2086713A CA2086713A CA2086713A1 CA 2086713 A1 CA2086713 A1 CA 2086713A1 CA 2086713 A CA2086713 A CA 2086713A CA 2086713 A CA2086713 A CA 2086713A CA 2086713 A1 CA2086713 A1 CA 2086713A1
Authority
CA
Canada
Prior art keywords
heart
cardiac
electrocardiograms
implantable cardiac
digital samples
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.)
Granted
Application number
CA2086713A
Other languages
French (fr)
Other versions
CA2086713C (en
Inventor
Barry M. Yomtov
Paul E. Kreyenhagen
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.)
Cardiac Pacemakers Inc
Original Assignee
Incontrol 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 Incontrol Inc filed Critical Incontrol Inc
Priority to CA002177184A priority Critical patent/CA2177184C/en
Publication of CA2086713A1 publication Critical patent/CA2086713A1/en
Application granted granted Critical
Publication of CA2086713C publication Critical patent/CA2086713C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • A61B5/24—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
    • A61B5/35—Detecting specific parameters of the electrocardiograph cycle by template matching
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
    • A61B5/0031—Implanted circuitry
    • 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
    • A61N1/3702—Physiological parameters

Abstract

An implantable cardiac monitor is arranged for detecting both arrhythmias and ischemia of the human heart. The monitor includes subcutaneous electrodes for establishing electrical contact with the heart and a sense amplifier coupled to each electrode for generating an electrocardiogram of a heart beat sensed at each of the electrodes. The electrocardiograms are digitized and the digital samples thereof are stored in a memory. A
microprocessor processes the digital samples of the electrocardiograms and generates characterizing data indicative of the physiology of the heart. The cardiac monitor includes telemetry to permit the cardiac data to be interrogated externally of the patient for obtaining the generated cardiac data indicative of arrhythmic and ischemic episodes.
CA002086713A 1992-01-14 1993-01-05 Implantable cardiac patient monitor Expired - Fee Related CA2086713C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002177184A CA2177184C (en) 1992-01-14 1993-01-05 Implantable cardiac patient monitor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/820,580 1992-01-14
US07/820,580 US5313953A (en) 1992-01-14 1992-01-14 Implantable cardiac patient monitor

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA002177184A Division CA2177184C (en) 1992-01-14 1993-01-05 Implantable cardiac patient monitor

Publications (2)

Publication Number Publication Date
CA2086713A1 true CA2086713A1 (en) 1993-07-15
CA2086713C CA2086713C (en) 1998-11-10

Family

ID=25231207

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002086713A Expired - Fee Related CA2086713C (en) 1992-01-14 1993-01-05 Implantable cardiac patient monitor

Country Status (7)

Country Link
US (2) US5313953A (en)
EP (2) EP0941695B1 (en)
JP (1) JPH06167A (en)
AT (1) ATE254878T1 (en)
AU (1) AU659518B2 (en)
CA (1) CA2086713C (en)
DE (1) DE69333325T2 (en)

Families Citing this family (667)

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