CA1145407A - Demand cardiac pacemaker sense amplifier having a refractory period - Google Patents

Demand cardiac pacemaker sense amplifier having a refractory period

Info

Publication number
CA1145407A
CA1145407A CA000339163A CA339163A CA1145407A CA 1145407 A CA1145407 A CA 1145407A CA 000339163 A CA000339163 A CA 000339163A CA 339163 A CA339163 A CA 339163A CA 1145407 A CA1145407 A CA 1145407A
Authority
CA
Canada
Prior art keywords
circuit
transistor
circuitry
level
signal
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
CA000339163A
Other languages
English (en)
French (fr)
Inventor
Marc T. Stein
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 CA1145407A publication Critical patent/CA1145407A/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
    • A61N1/37—Monitoring; Protecting
    • A61N1/3702—Physiological parameters
    • A61N1/3704—Circuits specially adapted therefor, e.g. for sensitivity control

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Cardiology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Physiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Electrotherapy Devices (AREA)
  • Amplifiers (AREA)
CA000339163A 1978-11-06 1979-11-05 Demand cardiac pacemaker sense amplifier having a refractory period Expired CA1145407A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US95782478A 1978-11-06 1978-11-06
US957,824 1978-11-06

Publications (1)

Publication Number Publication Date
CA1145407A true CA1145407A (en) 1983-04-26

Family

ID=25500195

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000339163A Expired CA1145407A (en) 1978-11-06 1979-11-05 Demand cardiac pacemaker sense amplifier having a refractory period

Country Status (6)

Country Link
EP (1) EP0011933B1 (enExample)
JP (1) JPS5566368A (enExample)
AU (1) AU529824B2 (enExample)
CA (1) CA1145407A (enExample)
DE (1) DE2944631A1 (enExample)
FR (1) FR2440197A1 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3115124A1 (de) 1981-04-10 1982-11-04 Biotronik Meß- und Therapiegeräte GmbH & Co Ingenieurbüro Berlin, 1000 Berlin "herzschrittmacher"
JPS58188427A (ja) * 1982-04-28 1983-11-02 セイコーインスツルメンツ株式会社 脈拍検出回路
US4558702A (en) * 1983-01-21 1985-12-17 Cordis Corporation Cardiac pacer having input/output circuit programmable for use with unipolar and bipolar pacer leads
KR20190133165A (ko) 2017-03-29 2019-12-02 후루카와 덴키 고교 가부시키가이샤 일체 형성체, 그리고 그 일체 형성체를 갖는 복합재, 전기 접점용 단자 및 프린트 배선판

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3129704A (en) * 1960-08-25 1964-04-21 Cordis Corp Electronic cardiac programmer
US3297677A (en) * 1964-04-15 1967-01-10 Internchemical Corp Aziridinyl azo pigments
US3656487A (en) * 1969-06-12 1972-04-18 Medtronic Inc Electronic demand heart pacemaker with different pacing and standby rates
US4023121A (en) * 1974-01-04 1977-05-10 Arco Medical Products Company Oscillator for demand heart pacer
US3926197A (en) * 1974-01-04 1975-12-16 Arco Med Prod Co Demand heart pacer
US3927677A (en) * 1974-07-12 1975-12-23 Medtronic Inc Demand cardiac pacer
US4114627A (en) * 1976-12-14 1978-09-19 American Hospital Supply Corporation Cardiac pacer system and method with capture verification signal
DE2828127A1 (de) * 1978-02-24 1979-08-30 Cardiac Pacemakers Herzschrittmacher

Also Published As

Publication number Publication date
EP0011933A2 (en) 1980-06-11
FR2440197B1 (enExample) 1984-12-28
FR2440197A1 (fr) 1980-05-30
EP0011933A3 (en) 1981-01-07
AU5238879A (en) 1980-05-15
DE2944631A1 (de) 1980-05-14
AU529824B2 (en) 1983-06-23
EP0011933B1 (en) 1984-03-21
JPS5566368A (en) 1980-05-19

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Legal Events

Date Code Title Description
MKEX Expiry