WO2008079979A3 - Implantable cardiac stimulus devices and methods with input recharge circuitry - Google Patents

Implantable cardiac stimulus devices and methods with input recharge circuitry Download PDF

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Publication number
WO2008079979A3
WO2008079979A3 PCT/US2007/088380 US2007088380W WO2008079979A3 WO 2008079979 A3 WO2008079979 A3 WO 2008079979A3 US 2007088380 W US2007088380 W US 2007088380W WO 2008079979 A3 WO2008079979 A3 WO 2008079979A3
Authority
WO
WIPO (PCT)
Prior art keywords
small signal
signal operation
implantable cardiac
methods
cardiac stimulus
Prior art date
Application number
PCT/US2007/088380
Other languages
French (fr)
Other versions
WO2008079979A2 (en
Inventor
Marcus Julian
Original Assignee
Cameron Health Inc
Marcus Julian
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 Cameron Health Inc, Marcus Julian filed Critical Cameron Health Inc
Publication of WO2008079979A2 publication Critical patent/WO2008079979A2/en
Publication of WO2008079979A3 publication Critical patent/WO2008079979A3/en

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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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/30—Input circuits therefor
    • A61B5/307—Input circuits therefor specially adapted for particular uses
    • A61B5/308—Input circuits therefor specially adapted for particular uses for electrocardiography [ECG]
    • 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
    • A61N1/38—Applying electric currents by contact electrodes alternating or intermittent currents for producing shock effects
    • A61N1/39—Heart defibrillators
    • A61N1/3918—Heart defibrillators characterised by shock pathway, e.g. by electrode configuration
    • 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
    • A61N1/38—Applying electric currents by contact electrodes alternating or intermittent currents for producing shock effects
    • A61N1/39—Heart defibrillators
    • A61N1/3956—Implantable devices for applying electric shocks to the heart, e.g. for cardioversion
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/30—Input circuits therefor
    • A61B5/304—Switching circuits

Abstract

An illustrative embodiment includes an implantable cardiac stimulus device comprising input circuitry configured to reduce the time required to return to small signal operation after a disturbance of small signal operation. In another illustrative embodiment, the present invention includes methods for operating an implantable cardiac stimulus device to reduce the time required to return to small signal operation after a disturbance of small signal operation. In yet additional embodiments, the initiation of small signal operation after a change in sensing vector and/or after delivery of a stimulus to the patient is improved by the inclusion of input circuitry and/or the use of methods adapted to reduce the time needed to reach small signal operation.
PCT/US2007/088380 2006-12-20 2007-12-20 Implantable cardiac stimulus devices and methods with input recharge circuitry WO2008079979A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/613,850 2006-12-20
US11/613,850 US7623916B2 (en) 2006-12-20 2006-12-20 Implantable cardiac stimulus devices and methods with input recharge circuitry

Publications (2)

Publication Number Publication Date
WO2008079979A2 WO2008079979A2 (en) 2008-07-03
WO2008079979A3 true WO2008079979A3 (en) 2009-01-29

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/088380 WO2008079979A2 (en) 2006-12-20 2007-12-20 Implantable cardiac stimulus devices and methods with input recharge circuitry

Country Status (2)

Country Link
US (1) US7623916B2 (en)
WO (1) WO2008079979A2 (en)

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US8494630B2 (en) 2008-01-18 2013-07-23 Cameron Health, Inc. Data manipulation following delivery of a cardiac stimulus in an implantable cardiac stimulus device
US8244349B2 (en) * 2008-02-02 2012-08-14 Cameron Health, Inc. Adaptive shock delivery in an implantable cardiac stimulus device
CA2717442C (en) 2008-03-07 2017-11-07 Cameron Health, Inc. Accurate cardiac event detection in an implantable cardiac stimulus device
EP2268357B1 (en) 2008-03-07 2016-11-02 Cameron Health, Inc. Devices for accurately classifying cardiac activity
EP2446925B1 (en) 2008-05-07 2013-06-26 Cameron Health, Inc. Devices for accurately classifying cardiac activity
US8712523B2 (en) 2008-12-12 2014-04-29 Cameron Health Inc. Implantable defibrillator systems and methods with mitigations for saturation avoidance and accommodation
CA2766866A1 (en) 2009-06-29 2011-01-20 Cameron Health, Inc. Adaptive confirmation of treatable arrhythmia in implantable cardiac stimulus devices
US8265737B2 (en) 2009-10-27 2012-09-11 Cameron Health, Inc. Methods and devices for identifying overdetection of cardiac signals
US8744555B2 (en) 2009-10-27 2014-06-03 Cameron Health, Inc. Adaptive waveform appraisal in an implantable cardiac system
US8831711B2 (en) 2012-06-04 2014-09-09 Cameron Health, Inc. Implantable cardiac systems with baseline correction in response to noise detection
US8548573B2 (en) 2010-01-18 2013-10-01 Cameron Health, Inc. Dynamically filtered beat detection in an implantable cardiac device
US8588895B2 (en) 2011-04-22 2013-11-19 Cameron Health, Inc. Robust rate calculation in an implantable cardiac stimulus or monitoring device
US9849291B2 (en) 2011-06-09 2017-12-26 Cameron Health, Inc. Antitachycardia pacing pulse from a subcutaneous defibrillator
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US9717428B2 (en) * 2014-02-07 2017-08-01 Medtronic, Inc. Devices and methods for sensing physiological signals during stimulation therapy
US9554714B2 (en) 2014-08-14 2017-01-31 Cameron Health Inc. Use of detection profiles in an implantable medical device
US10576265B2 (en) 2016-09-10 2020-03-03 Boston Scientific Neuromodulation Corporation Pulse definition circuitry for creating stimulation waveforms in an implantable pulse generator
US10716932B2 (en) 2016-09-10 2020-07-21 Boston Scientific Neuromodulation Corporation Pulse definition circuitry for creating stimulation waveforms in an implantable pulse generator
US10716937B2 (en) 2016-09-10 2020-07-21 Boston Scientific Neuromodulation Corporation Passive charge recovery circuitry for an implantable medical device
US10525252B2 (en) 2016-09-10 2020-01-07 Boston Scientific Neuromodulation Corporation Compliance voltage monitoring and adjustment in an implantable medical device
US10632300B2 (en) 2016-09-10 2020-04-28 Boston Scientific Neuromodulation Corporation Measurement circuitry for measuring analog values in an implantable pulse generator
US10549091B2 (en) 2016-09-10 2020-02-04 Boston Scientific Neuromodulation Corporation Use models for a current generation architecture for an implantable medical device
US10589090B2 (en) 2016-09-10 2020-03-17 Boston Scientific Neuromodulation Corporation Implantable stimulator device with magnetic field sensing circuit
US11040192B2 (en) 2016-09-10 2021-06-22 Boston Scientific Neuromodulation Corporation Current generation architecture for an implantable medical device
US10786665B2 (en) 2016-09-10 2020-09-29 Boston Scientific Neuromodulation Corporation Biasing of a current generation architecture for an implantable medical device
US10525253B2 (en) 2016-10-13 2020-01-07 Boston Scientific Neuromodulation Corporation Current generation architecture for an implantable medical device including controllable slew rate
AU2018222994B2 (en) 2017-09-15 2019-11-07 Boston Scientific Neuromodulation Corporation Current generation architecture for an implantable stimulator device to promote current steering between electrodes
ES2925235T3 (en) 2017-09-15 2022-10-14 Boston Scient Neuromodulation Corp Current Generation Architecture for an Implantable Stimulator Device Including Distributor Circuitry for Sending A Scaled Amplitude Current to Digital-to-Analog Converters in the Leads
US11844602B2 (en) * 2018-03-05 2023-12-19 The Medical Research Infrastructure And Health Services Fund Of The Tel Aviv Medical Center Impedance-enriched electrophysiological measurements

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Also Published As

Publication number Publication date
US7623916B2 (en) 2009-11-24
WO2008079979A2 (en) 2008-07-03
US20080154350A1 (en) 2008-06-26

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