CA993956A - End of life increased pulse width circuit - Google Patents

End of life increased pulse width circuit

Info

Publication number
CA993956A
CA993956A CA160,911A CA160911A CA993956A CA 993956 A CA993956 A CA 993956A CA 160911 A CA160911 A CA 160911A CA 993956 A CA993956 A CA 993956A
Authority
CA
Canada
Prior art keywords
pulse width
increased pulse
width circuit
life increased
life
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
CA160,911A
Other versions
CA160911S (en
Inventor
Frank R. Walmsley
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 CA993956A publication Critical patent/CA993956A/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
    • 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
    • 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
    • A61N1/3706—Pacemaker parameters
    • A61N1/3708—Pacemaker parameters for power depletion

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)
CA160,911A 1972-01-13 1973-01-10 End of life increased pulse width circuit Expired CA993956A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21749272A 1972-01-13 1972-01-13

Publications (1)

Publication Number Publication Date
CA993956A true CA993956A (en) 1976-07-27

Family

ID=22811319

Family Applications (1)

Application Number Title Priority Date Filing Date
CA160,911A Expired CA993956A (en) 1972-01-13 1973-01-10 End of life increased pulse width circuit

Country Status (4)

Country Link
AU (1) AU470149B2 (en)
BR (1) BR7300292D0 (en)
CA (1) CA993956A (en)
DE (1) DE2301055C2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU530108B2 (en) * 1978-11-06 1983-06-30 Medtronic, Inc. Digital cardiac pacemaker
US4230120A (en) * 1978-11-06 1980-10-28 Medtronic, Inc. Energy compensation means for digital cardiac pacemaker
DE3130872A1 (en) * 1981-08-04 1983-02-24 Siemens AG, 1000 Berlin und 8000 München IMPLANTABLE HEART PACEMAKER
DE3146917A1 (en) * 1981-11-26 1983-06-01 Ross Holman 02159 Newton Centre Mass. Zoll Device for the external intervention-free electrical stimulation of the heart

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3311111A (en) * 1964-08-11 1967-03-28 Gen Electric Controllable electric body tissue stimulators
US3474353A (en) * 1968-01-04 1969-10-21 Cordis Corp Multivibrator having pulse rate responsive to battery voltage

Also Published As

Publication number Publication date
AU470149B2 (en) 1976-03-04
BR7300292D0 (en) 1973-10-25
DE2301055C2 (en) 1985-11-07
AU5091773A (en) 1974-07-11
DE2301055A1 (en) 1973-07-19

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