DE2944617A1 - Fuer bedarfs- und asynchronbetrieb programmierbarer herzschrittmacher - Google Patents

Fuer bedarfs- und asynchronbetrieb programmierbarer herzschrittmacher

Info

Publication number
DE2944617A1
DE2944617A1 DE19792944617 DE2944617A DE2944617A1 DE 2944617 A1 DE2944617 A1 DE 2944617A1 DE 19792944617 DE19792944617 DE 19792944617 DE 2944617 A DE2944617 A DE 2944617A DE 2944617 A1 DE2944617 A1 DE 2944617A1
Authority
DE
Germany
Prior art keywords
logic
signal
output
latch
circuit
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
DE19792944617
Other languages
German (de)
English (en)
Other versions
DE2944617C2 (US20020095090A1-20020718-M00002.png
Inventor
Ray S Mcdonald
Martin A Rossing
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
Publication of DE2944617A1 publication Critical patent/DE2944617A1/de
Application granted granted Critical
Publication of DE2944617C2 publication Critical patent/DE2944617C2/de
Granted 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
    • 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
    • A61N1/372—Arrangements in connection with the implantation of stimulators
    • A61N1/37211—Means for communicating with stimulators
    • A61N1/37252—Details of algorithms or data aspects of communication system, e.g. handshaking, transmitting specific data or segmenting data
    • A61N1/37254—Pacemaker or defibrillator security, e.g. to prevent or inhibit programming alterations by hackers or unauthorised individuals

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Cardiology (AREA)
  • Biophysics (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)
  • Physiology (AREA)
  • Electrotherapy Devices (AREA)
DE19792944617 1978-11-06 1979-11-05 Fuer bedarfs- und asynchronbetrieb programmierbarer herzschrittmacher Granted DE2944617A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/957,963 US4236522A (en) 1978-11-06 1978-11-06 Asynchronous/demand made programmable digital cardiac pacemaker

Publications (2)

Publication Number Publication Date
DE2944617A1 true DE2944617A1 (de) 1980-05-14
DE2944617C2 DE2944617C2 (US20020095090A1-20020718-M00002.png) 1987-01-08

Family

ID=25500413

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19792944617 Granted DE2944617A1 (de) 1978-11-06 1979-11-05 Fuer bedarfs- und asynchronbetrieb programmierbarer herzschrittmacher

Country Status (6)

Country Link
US (1) US4236522A (US20020095090A1-20020718-M00002.png)
EP (1) EP0011938B1 (US20020095090A1-20020718-M00002.png)
AU (1) AU527329B2 (US20020095090A1-20020718-M00002.png)
CA (1) CA1137172A (US20020095090A1-20020718-M00002.png)
DE (1) DE2944617A1 (US20020095090A1-20020718-M00002.png)
FR (1) FR2445721B1 (US20020095090A1-20020718-M00002.png)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5100380A (en) * 1984-02-08 1992-03-31 Abbott Laboratories Remotely programmable infusion system
US5108367A (en) * 1984-02-08 1992-04-28 Abbott Laboratories Pressure responsive multiple input infusion system
IL74236A (en) * 1984-02-08 1990-07-12 Omni Flow Inc Infusion system having plural fluid input ports and at least one patient output port
US4821724A (en) * 1986-08-01 1989-04-18 Telectronics N.V. Pacing pulse compensation
US6904316B2 (en) * 2001-11-06 2005-06-07 Cardiac Pacemakers, Inc. Cardiac rhythm management system with maximum tracking rate (MTR) hysteresis
US7583995B2 (en) * 2003-10-30 2009-09-01 Cardiac Pacemakers, Inc. Temporary disablement feature for implantable device with anti-tachyarrhythmia functions

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3557796A (en) * 1969-03-10 1971-01-26 Cordis Corp Digital counter driven pacer
US3805796A (en) * 1971-05-10 1974-04-23 Cordis Corp Implantable cardiac pacer having adjustable operating parameters
US3833005A (en) * 1971-07-26 1974-09-03 Medtronic Inc Compared count digitally controlled pacemaker
US3945387A (en) * 1974-09-09 1976-03-23 General Electric Company Implantable cardiac pacer with characteristic controllable circuit and control device therefor
DE2707052A1 (de) * 1976-03-03 1977-09-08 Arco Med Prod Co Herzschrittmacher

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4049004A (en) * 1976-02-02 1977-09-20 Arco Medical Products Company Implantable digital cardiac pacer having externally selectible operating parameters and "one shot" digital pulse generator for use therein
US4099530A (en) * 1977-04-27 1978-07-11 American Pacemaker Corporation Cardiac pacer circuitry to facilitate testing of patient heart activity and pacer pulses
DE2861865D1 (en) * 1977-08-19 1982-07-15 Biotronik Mess & Therapieg Demand cardiac stimulating apparatus
FR2424737A1 (fr) * 1978-05-05 1979-11-30 Cardiofrance Co Procede de reglage d'un stimulateur cardiaque implantable, programmateur de reglage et stimulateur pour la mise en oeuvre du procede

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3557796A (en) * 1969-03-10 1971-01-26 Cordis Corp Digital counter driven pacer
US3805796A (en) * 1971-05-10 1974-04-23 Cordis Corp Implantable cardiac pacer having adjustable operating parameters
US3833005A (en) * 1971-07-26 1974-09-03 Medtronic Inc Compared count digitally controlled pacemaker
US3945387A (en) * 1974-09-09 1976-03-23 General Electric Company Implantable cardiac pacer with characteristic controllable circuit and control device therefor
DE2707052A1 (de) * 1976-03-03 1977-09-08 Arco Med Prod Co Herzschrittmacher

Also Published As

Publication number Publication date
EP0011938A2 (en) 1980-06-11
AU527329B2 (en) 1983-02-24
US4236522A (en) 1980-12-02
EP0011938A3 (en) 1981-01-07
FR2445721A1 (fr) 1980-08-01
CA1137172A (en) 1982-12-07
EP0011938B1 (en) 1985-04-24
AU5239279A (en) 1980-05-15
FR2445721B1 (fr) 1987-08-28
DE2944617C2 (US20020095090A1-20020718-M00002.png) 1987-01-08

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8363 Opposition against the patent
8339 Ceased/non-payment of the annual fee