GB1414861A - Heart pacers - Google Patents

Heart pacers

Info

Publication number
GB1414861A
GB1414861A GB8873A GB8873A GB1414861A GB 1414861 A GB1414861 A GB 1414861A GB 8873 A GB8873 A GB 8873A GB 8873 A GB8873 A GB 8873A GB 1414861 A GB1414861 A GB 1414861A
Authority
GB
United Kingdom
Prior art keywords
capacitor
ventricular
pulse
transistors
timing
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
GB8873A
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 GB1414861A publication Critical patent/GB1414861A/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)
GB8873A 1971-12-30 1973-01-01 Heart pacers Expired GB1414861A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21421871A 1971-12-30 1971-12-30

Publications (1)

Publication Number Publication Date
GB1414861A true GB1414861A (en) 1975-11-19

Family

ID=22798246

Family Applications (2)

Application Number Title Priority Date Filing Date
GB102475A Expired GB1414862A (en) 1971-12-30 1973-01-01 Timing circuit for a heart pacer
GB8873A Expired GB1414861A (en) 1971-12-30 1973-01-01 Heart pacers

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB102475A Expired GB1414862A (en) 1971-12-30 1973-01-01 Timing circuit for a heart pacer

Country Status (11)

Country Link
US (1) US3757791A (sv)
JP (1) JPS4877685A (sv)
AU (1) AU476434B2 (sv)
DE (1) DE2255421A1 (sv)
FR (1) FR2166004B1 (sv)
GB (2) GB1414862A (sv)
IL (1) IL40651A (sv)
IT (1) IT973847B (sv)
NL (1) NL7216973A (sv)
SE (1) SE419290B (sv)
ZA (1) ZA727551B (sv)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3908667A (en) * 1973-01-17 1975-09-30 Robert I Bernstein Cardiac pacer
JPS5030741U (sv) * 1973-07-09 1975-04-05
US4038990A (en) * 1975-11-19 1977-08-02 Medtronic, Inc. Cautery protection circuit for a heart pacemaker
FR2298909A1 (fr) * 1975-01-24 1976-08-20 Medtronic Inc Circuit de protection pour un stimulateur cardiaque
US3968802A (en) * 1975-01-24 1976-07-13 Medtronic, Inc. Cautery protection circuit for a heart pacemaker
US4397316A (en) * 1979-03-30 1983-08-09 Medtronic, Inc. Rate and A-V delay generator for heart pacemaker
CA1128137A (en) * 1979-03-30 1982-07-20 Medtronic, Inc. Rate and a-v delayed generator for heart pacemaker
US4386610A (en) * 1980-05-27 1983-06-07 Cordis Corporation Ventricular-inhibited cardiac pacer
US4485818A (en) * 1980-11-14 1984-12-04 Cordis Corporation Multi-mode microprocessor-based programmable cardiac pacer
US4510945A (en) * 1982-07-12 1985-04-16 Cordis Corporation P Wave detection system
US5507778A (en) * 1994-02-22 1996-04-16 Zmd Corporation Semiautomatic defibrillator with synchronized shock delivery
US5391187A (en) * 1994-02-22 1995-02-21 Zmd Corporation Semiautomatic defibrillator with heart rate alarm driven by shock advisory algorithm
US5978710A (en) 1998-01-23 1999-11-02 Sulzer Intermedics Inc. Implantable cardiac stimulator with safe noise mode
US6125300A (en) * 1998-09-11 2000-09-26 Medtronic, Inc. Implantable device with output circuitry for simultaneous stimulation at multiple sites
US6711437B2 (en) 2001-07-30 2004-03-23 Medtronic, Inc. Pacing channel isolation in multi-site cardiac pacing systems
US10940318B2 (en) 2014-06-17 2021-03-09 Morton M. Mower Method and apparatus for electrical current therapy of biological tissue

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3229687A (en) * 1964-01-08 1966-01-18 Norman J Holter Electrocardio recording and reproducing system
FR1537009A (fr) * 1966-06-13 1968-08-23 Consiglio Nazional Delle Ricer Pacemaker cardiaque à autosynchronisation
CH474271A (de) * 1967-05-12 1969-06-30 Hoffmann La Roche Herz-Stimulator
US3547127A (en) * 1968-04-29 1970-12-15 Medtronic Inc Cardiac pacemaker with regulated power supply
US3595242A (en) * 1969-03-26 1971-07-27 American Optical Corp Atrial and ventricular demand pacer
US3656487A (en) * 1969-06-12 1972-04-18 Medtronic Inc Electronic demand heart pacemaker with different pacing and standby rates
US3759266A (en) * 1970-10-07 1973-09-18 Medcor Inc Ng reset and voltage increasing circuits cardiac autopacer with variable refractory non linear feedback latchi

Also Published As

Publication number Publication date
JPS4877685A (sv) 1973-10-18
AU4933272A (en) 1974-05-30
GB1414862A (en) 1975-11-19
FR2166004B1 (sv) 1978-12-29
IL40651A (en) 1974-10-22
NL7216973A (sv) 1973-07-03
AU476434B2 (en) 1976-09-23
ZA727551B (en) 1973-07-25
SE7512320L (sv) 1975-11-04
DE2255421A1 (de) 1973-07-05
IT973847B (it) 1974-06-10
IL40651A0 (en) 1972-12-29
FR2166004A1 (sv) 1973-08-10
US3757791A (en) 1973-09-11
SE419290B (sv) 1981-07-27

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee