GB1352710A - Cardiac pacemaker - Google Patents

Cardiac pacemaker

Info

Publication number
GB1352710A
GB1352710A GB5831771A GB5831771A GB1352710A GB 1352710 A GB1352710 A GB 1352710A GB 5831771 A GB5831771 A GB 5831771A GB 5831771 A GB5831771 A GB 5831771A GB 1352710 A GB1352710 A GB 1352710A
Authority
GB
United Kingdom
Prior art keywords
pulses
pulse
circuit
starting
pacemaker
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
GB5831771A
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.)
Christian Rovsing AS
Original Assignee
Christian Rovsing AS
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 Christian Rovsing AS filed Critical Christian Rovsing AS
Publication of GB1352710A publication Critical patent/GB1352710A/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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/53—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback

Landscapes

  • Health & Medical Sciences (AREA)
  • Cardiology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Electrotherapy Devices (AREA)
GB5831771A 1970-12-22 1971-12-15 Cardiac pacemaker Expired GB1352710A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK651270A DK131761C (da) 1970-12-22 1970-12-22 Pacemaker

Publications (1)

Publication Number Publication Date
GB1352710A true GB1352710A (en) 1974-05-08

Family

ID=8148824

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5831771A Expired GB1352710A (en) 1970-12-22 1971-12-15 Cardiac pacemaker

Country Status (6)

Country Link
US (1) US3777762A (enExample)
DK (1) DK131761C (enExample)
FR (1) FR2119596A5 (enExample)
GB (1) GB1352710A (enExample)
NL (1) NL7100214A (enExample)
SE (1) SE375014B (enExample)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3837348A (en) * 1972-01-10 1974-09-24 American Optical Corp Externally-controlled implantable cardiac-pacer capture margin testing apparatus and method
US3920024A (en) * 1973-04-16 1975-11-18 Vitatron Medical Bv Threshold tracking system and method for stimulating a physiological system
US3841336A (en) * 1973-12-14 1974-10-15 American Optical Corp Pacer battery failure detection circuit
FR2298909A1 (fr) * 1975-01-24 1976-08-20 Medtronic Inc Circuit de protection pour un stimulateur cardiaque
EP0000985A1 (en) * 1977-08-19 1979-03-07 Stimtech, Inc. Program alteration security for programmable pacers
US4140132A (en) * 1978-03-23 1979-02-20 Dahl Joseph D Variable rate timer for a cardiac pacemaker
FR2423214A1 (fr) * 1978-04-21 1979-11-16 Corporel Sa Stimulateur cardiaque
US4304237A (en) * 1978-10-30 1981-12-08 Vitatron Medical B.V. Dual mode programmable pacer
US4250884A (en) * 1978-11-06 1981-02-17 Medtronic, Inc. Apparatus for and method of programming the minimum energy threshold for pacing pulses to be applied to a patient's heart
US4340062A (en) * 1978-11-06 1982-07-20 Medtronic, Inc. Body stimulator having selectable stimulation energy levels
US4223679A (en) * 1979-02-28 1980-09-23 Pacesetter Systems, Inc. Telemetry means for tissue stimulator system
US4337776A (en) * 1980-08-29 1982-07-06 Telectronics Pty. Ltd. Impedance measuring pacer
US4585006A (en) * 1982-08-18 1986-04-29 Cordis Corporation Cardiac pacer having stimulation threshold measurement circuit
US4543955A (en) * 1983-08-01 1985-10-01 Cordis Corporation System for controlling body implantable action device
US4545380A (en) * 1984-04-16 1985-10-08 Cordis Corporation Method and apparatus for setting and changing parameters or functions of an implanted device
US4640285A (en) * 1985-01-22 1987-02-03 Cordis Corporation Sense margin evaluation system and method for use same
US4677986A (en) * 1985-05-28 1987-07-07 Cordis Corporation Unsaturable sense amplifier for pacer system analyzer
US4708142A (en) * 1985-05-28 1987-11-24 Cordis Corporation Automatic cardiac capture threshold determination system and method
US4674509A (en) * 1985-05-28 1987-06-23 Cordis Corporation System and method for detecting evoked cardiac contractions
US4729376A (en) * 1985-05-28 1988-03-08 Cordis Corporation Cardiac pacer and method providing means for periodically determining capture threshold and adjusting pulse output level accordingly
US4674508A (en) * 1985-05-28 1987-06-23 Cordis Corporation Low-power consumption cardiac pacer based on automatic verification of evoked contractions
DE3816042A1 (de) * 1988-05-10 1989-11-23 Alt Eckhard Energiesparender herzschrittmacher
US4940053A (en) * 1989-01-25 1990-07-10 Siemens-Pacesetter, Inc. Energy controlled rate-responsive pacemaker having automatically adjustable control parameters
US5040535A (en) * 1989-01-25 1991-08-20 Siemens-Pacesetter, Inc. Average amplitude controlled rate-responsive pacemaker having automatically adjustable control parameters
US4940052A (en) * 1989-01-25 1990-07-10 Siemens-Pacesetter, Inc. Microprocessor controlled rate-responsive pacemaker having automatic rate response threshold adjustment
US5040534A (en) * 1989-01-25 1991-08-20 Siemens-Pacesetter, Inc. Microprocessor controlled rate-responsive pacemaker having automatic rate response threshold adjustment
DE58906649D1 (de) * 1989-05-22 1994-02-17 Siemens Ag Implantierbares medizinisches Gerät mit Mitteln zum Stimulieren von Gewebekontraktionen mit einstellbarer Stimulationsintensität und Verfahren zum Betrieb eines solchen Gerätes.
US5176138A (en) * 1991-03-21 1993-01-05 Siemens Pacesetter, Inc. Implantable pacemaker having means for automatically adjusting stimulation energy as a function of sensed so2
US5350410A (en) * 1992-11-23 1994-09-27 Siemens Pacesetter, Inc. Autocapture system for implantable pulse generator
AU5597194A (en) * 1992-11-24 1994-06-22 Medtronic, Inc. Implantable medical device with magnetically actuated switch
US5549652A (en) * 1993-11-15 1996-08-27 Pacesetter, Inc. Cardiac wall motion-based automatic capture verification system and method
US5476486A (en) * 1994-03-04 1995-12-19 Telectronics Pacing Systems, Inc. Automatic atrial pacing pulse threshold determination utilizing an external programmer and a V-sense electrode
US8386051B2 (en) 2010-12-30 2013-02-26 Medtronic, Inc. Disabling an implantable medical device
EP3042693B1 (fr) 2015-01-12 2017-09-13 Sorin CRM SAS Dispositif médical implantable actif, notamment de type capsule autonome, à optimisation dynamique de l'energie des impulsions de stimulation

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3082414A (en) * 1960-06-13 1963-03-19 Andrew A Papaminas Sleep inhibiting device and method
BE632412A (enExample) * 1962-05-17
US3195540A (en) * 1963-03-29 1965-07-20 Louis C Waller Power supply for body implanted instruments
US3431912A (en) * 1966-05-06 1969-03-11 Cordis Corp Standby cardiac pacer
US3517663A (en) * 1968-04-15 1970-06-30 Gen Electric Threshold analyzer for an implanted heart stimulator
US3717522A (en) * 1968-07-29 1973-02-20 Showa Electric Wire & Cable Co Method for forming a cross-linked polyethylene insulator

Also Published As

Publication number Publication date
US3777762A (en) 1973-12-11
NL7100214A (enExample) 1972-06-26
FR2119596A5 (enExample) 1972-08-04
SE375014B (enExample) 1975-04-07
DK131761B (da) 1975-09-01
DK131761C (da) 1976-02-09

Similar Documents

Publication Publication Date Title
GB1352710A (en) Cardiac pacemaker
US3528428A (en) Demand pacer
US3835865A (en) Body organ stimulator
US3648707A (en) Multimode cardiac paces with p-wave and r-wave sensing means
US5694952A (en) Magnetic field detector
US3830242A (en) Rate controller and checker for a cardiac pacer pulse generator means
US3942534A (en) Device for terminating tachycardia
US3618615A (en) Self checking cardiac pacemaker
US4024875A (en) Device for non-invasive programming of implanted body stimulators
US3678937A (en) Demand cardiac pacer with interference protection
US3693626A (en) Demand pacer with heart rate memory
US3391697A (en) Runaway inhibited pacemaker
GB1307912A (en) Heart pacemakers
US3985142A (en) Demand heart pacer with improved interference discrimination
US4170999A (en) Demand pacer having reduced recovery time
GB1475101A (en) Method of and apparatus for producing a subnanosecond pulse
US4043347A (en) Multiple-function demand pacer with low current drain
GB1335679A (en) Pacemakers
GB1414861A (en) Heart pacers
US3759266A (en) Ng reset and voltage increasing circuits cardiac autopacer with variable refractory non linear feedback latchi
US3662759A (en) Cardiac pacer system
GB1322556A (en) Demand pacemakers
GB1322348A (en) Tester for standby cardiac pacing
US4023121A (en) Oscillator for demand heart pacer
US4038991A (en) Cardiac pacer with rate limiting means

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