GB1416563A - Heart pacers - Google Patents

Heart pacers

Info

Publication number
GB1416563A
GB1416563A GB1162073A GB1162073A GB1416563A GB 1416563 A GB1416563 A GB 1416563A GB 1162073 A GB1162073 A GB 1162073A GB 1162073 A GB1162073 A GB 1162073A GB 1416563 A GB1416563 A GB 1416563A
Authority
GB
United Kingdom
Prior art keywords
atrial
ventricular
capacitor
timing interval
transistor
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
GB1162073A
Other languages
English (en)
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.)
American Optical Corp
Original Assignee
American Optical Corp
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 American Optical Corp filed Critical American Optical Corp
Publication of GB1416563A publication Critical patent/GB1416563A/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
    • A61N1/365—Heart stimulators controlled by a physiological parameter, e.g. heart potential
    • A61N1/368—Heart stimulators controlled by a physiological parameter, e.g. heart potential comprising more than one electrode co-operating with different heart regions

Landscapes

  • Health & Medical Sciences (AREA)
  • Cardiology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Physiology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Electrotherapy Devices (AREA)
GB1162073A 1972-03-09 1973-03-09 Heart pacers Expired GB1416563A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23313572A 1972-03-09 1972-03-09

Publications (1)

Publication Number Publication Date
GB1416563A true GB1416563A (en) 1975-12-03

Family

ID=22876015

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1162073A Expired GB1416563A (en) 1972-03-09 1973-03-09 Heart pacers

Country Status (8)

Country Link
US (1) US3768486A (enExample)
JP (1) JPS567700B2 (enExample)
AU (1) AU468093B2 (enExample)
BR (1) BR7301712D0 (enExample)
CA (1) CA991275A (enExample)
DE (1) DE2309212A1 (enExample)
GB (1) GB1416563A (enExample)
ZA (1) ZA73985B (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4023121A (en) * 1974-01-04 1977-05-10 Arco Medical Products Company Oscillator for demand heart pacer
US3999556A (en) * 1974-12-16 1976-12-28 Medtronic, Inc. Demand cardiac pacemaker with input circuit portion of increased sensitivity
US3968802A (en) * 1975-01-24 1976-07-13 Medtronic, Inc. Cautery protection circuit for a heart pacemaker
US4155366A (en) * 1975-06-09 1979-05-22 Ultra-Aids, Inc. Method of percutaneous pain alleviation
US4397316A (en) * 1979-03-30 1983-08-09 Medtronic, Inc. Rate and A-V delay generator for heart pacemaker
US4386610A (en) * 1980-05-27 1983-06-07 Cordis Corporation Ventricular-inhibited cardiac pacer
US4401119A (en) * 1981-02-17 1983-08-30 Medtronic, Inc. Prolongation of timing intervals in response to ectopic heart beats in atrial and ventricular pacemakers
US4407287A (en) * 1981-02-17 1983-10-04 Medtronic, Inc. Atrial and ventricular-only pacemaker responsive to premature ventricular contractions
US4429697A (en) * 1982-04-12 1984-02-07 Telectronics Pty. Ltd. Dual chamber heart pacer with improved ventricular rate control
US5978710A (en) 1998-01-23 1999-11-02 Sulzer Intermedics Inc. Implantable cardiac stimulator with safe noise mode
US6240313B1 (en) * 1999-04-19 2001-05-29 Cardiac Pacemakers, Inc. Cardiac rhythm management system with prevention of double counting of events
US6480741B1 (en) * 1999-09-07 2002-11-12 Cardiac Pacemakers, Inc. Heart monitors with robust interval measurements
US7556619B2 (en) * 2004-04-16 2009-07-07 Medrad, Inc. Fluid delivery system having a fluid level sensor and a fluid control device for isolating a patient from a pump device

Also Published As

Publication number Publication date
US3768486A (en) 1973-10-30
AU468093B2 (en) 1975-12-18
ZA73985B (en) 1973-11-28
JPS567700B2 (enExample) 1981-02-19
CA991275A (en) 1976-06-15
JPS4912683A (enExample) 1974-02-04
AU5311173A (en) 1974-09-12
BR7301712D0 (pt) 1974-08-29
DE2309212A1 (de) 1973-09-13

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee