IN2014CN00565A - - Google Patents

Info

Publication number
IN2014CN00565A
IN2014CN00565A IN565CHN2014A IN2014CN00565A IN 2014CN00565 A IN2014CN00565 A IN 2014CN00565A IN 565CHN2014 A IN565CHN2014 A IN 565CHN2014A IN 2014CN00565 A IN2014CN00565 A IN 2014CN00565A
Authority
IN
India
Prior art keywords
pacing
evoked response
threshold
reduction
test
Prior art date
Application number
Inventor
Todd J Sheldon
Wade M Demmer
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 IN2014CN00565A publication Critical patent/IN2014CN00565A/en

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
    • A61N1/371—Capture, i.e. successful stimulation
    • A61N1/3712—Auto-capture, i.e. automatic adjustment of the stimulation threshold
    • 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
    • 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
    • A61N1/37205—Microstimulators, e.g. implantable through a cannula
    • 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
    • A61N1/375—Constructional arrangements, e.g. casings
    • A61N1/3756—Casings with electrodes thereon, e.g. leadless stimulators

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Cardiology (AREA)
  • Engineering & Computer Science (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)
  • Biophysics (AREA)
  • Electrotherapy Devices (AREA)

Abstract

According to some methods for example preprogrammed in a microprocessor element of an implantable cardiac pacing system at least one of a number of periodic pacing threshold searches includes steps to reduce an evoked response amplitude threshold for evoked response signal detection. The reduction may be to a minimum value measurable above zero for example as determined by establishing a noise floor . Alternately amplitudes of test pacing pulses and corresponding post pulse signals are collected and reviewed to search for a break to determine a lower value to which the evoked response threshold may be adjusted without detecting noise. Subsequent to reducing the threshold if no evoked response signal is detected for a test pulse applied at or above a predetermined maximum desirable pulse energy an operational pacing pulse energy is set to greater than or equal to the maximum desirable in conjunction with a reduction in pacing rate.
IN565CHN2014 2011-07-29 2012-07-25 IN2014CN00565A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/193,783 US8626294B2 (en) 2011-07-29 2011-07-29 Methods for setting cardiac pacing parameters in relatively high efficiency pacing systems
PCT/US2012/048123 WO2013019505A1 (en) 2011-07-29 2012-07-25 Apparatus for setting cardiac pacing parameters in relatively high efficiency pacing systems

Publications (1)

Publication Number Publication Date
IN2014CN00565A true IN2014CN00565A (en) 2015-04-03

Family

ID=46640765

Family Applications (1)

Application Number Title Priority Date Filing Date
IN565CHN2014 IN2014CN00565A (en) 2011-07-29 2012-07-25

Country Status (6)

Country Link
US (3) US8626294B2 (en)
EP (1) EP2736591B1 (en)
CN (1) CN103717260B (en)
BR (1) BR112014001854A2 (en)
IN (1) IN2014CN00565A (en)
WO (1) WO2013019505A1 (en)

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Also Published As

Publication number Publication date
US20130030493A1 (en) 2013-01-31
US8626294B2 (en) 2014-01-07
WO2013019505A1 (en) 2013-02-07
US8942806B2 (en) 2015-01-27
EP2736591A1 (en) 2014-06-04
US20140121722A1 (en) 2014-05-01
US20150190644A1 (en) 2015-07-09
CN103717260B (en) 2016-07-13
US10525270B2 (en) 2020-01-07
EP2736591B1 (en) 2015-09-09
US20160158557A9 (en) 2016-06-09
BR112014001854A2 (en) 2017-02-21
CN103717260A (en) 2014-04-09

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