WO2000004947A3 - Pacing with hemodynamic enhancement - Google Patents

Pacing with hemodynamic enhancement Download PDF

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Publication number
WO2000004947A3
WO2000004947A3 PCT/IL1999/000392 IL9900392W WO0004947A3 WO 2000004947 A3 WO2000004947 A3 WO 2000004947A3 IL 9900392 W IL9900392 W IL 9900392W WO 0004947 A3 WO0004947 A3 WO 0004947A3
Authority
WO
WIPO (PCT)
Prior art keywords
pacing
heart
electrodes
signal
hemodynamic
Prior art date
Application number
PCT/IL1999/000392
Other languages
French (fr)
Other versions
WO2000004947A2 (en
Inventor
Nissim Darvish
Bella Felsen
Itzik Shemer
Judith Kornfeld
Original Assignee
Impulse Dynamics Nv
Nissim Darvish
Bella Felsen
Itzik Shemer
Judith Kornfeld
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 Impulse Dynamics Nv, Nissim Darvish, Bella Felsen, Itzik Shemer, Judith Kornfeld filed Critical Impulse Dynamics Nv
Priority to CA2338201A priority Critical patent/CA2338201C/en
Priority to EP99931435A priority patent/EP1098674A4/en
Priority to IL14048099A priority patent/IL140480A0/en
Priority to JP2000560938A priority patent/JP2002521099A/en
Priority to US09/720,639 priority patent/US7460907B1/en
Priority to AU47964/99A priority patent/AU4796499A/en
Publication of WO2000004947A2 publication Critical patent/WO2000004947A2/en
Publication of WO2000004947A3 publication Critical patent/WO2000004947A3/en
Priority to US11/933,168 priority patent/US8321013B2/en

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00Electrotherapy; Circuits therefor
    • A61N1/18Applying electric currents by contact electrodes
    • A61N1/32Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/362Heart stimulators
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00Electrotherapy; Circuits therefor
    • A61N1/18Applying electric currents by contact electrodes
    • A61N1/32Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/362Heart stimulators
    • A61N1/3627Heart stimulators for treating a mechanical deficiency of the heart, e.g. congestive heart failure or cardiomyopathy
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00Electrotherapy; Circuits therefor
    • A61N1/18Applying electric currents by contact electrodes
    • A61N1/32Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/3605Implantable neurostimulators for stimulating central or peripheral nerve system
    • A61N1/36128Control systems
    • A61N1/36146Control systems specified by the stimulation parameters
    • A61N1/36167Timing, e.g. stimulation onset
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00Electrotherapy; Circuits therefor
    • A61N1/18Applying electric currents by contact electrodes
    • A61N1/32Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/3605Implantable neurostimulators for stimulating central or peripheral nerve system
    • A61N1/36128Control systems
    • A61N1/36146Control systems specified by the stimulation parameters
    • A61N1/36167Timing, e.g. stimulation onset
    • A61N1/36178Burst or pulse train parameters

Abstract

Apparatus (170) for heart pacing with hemodynamic improvement, including one or more electrodes (36), which convey electrical signals to respective cardiac muscle segments. Signal generation circuitry (50) applies an extended pacing signal (60, 61), having an overall duration greater than three times a chronaxie time, to the one or more electrodes so as to pace the heart. The signal preferably includes a train of a plurality of biphasic pulses, and has an amplitude at least three times as great as a threshold for pacing the heart, but not sufficient for cardioversion.
PCT/IL1999/000392 1996-01-08 1999-07-18 Pacing with hemodynamic enhancement WO2000004947A2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
CA2338201A CA2338201C (en) 1998-07-20 1999-07-18 Pacing with hemodynamic enhancement
EP99931435A EP1098674A4 (en) 1998-07-20 1999-07-18 Pacing with hemodynamic enhancement
IL14048099A IL140480A0 (en) 1998-07-20 1999-07-18 Pacing with hemodynamic enhancement
JP2000560938A JP2002521099A (en) 1998-07-20 1999-07-18 Hemodynamic pacing
US09/720,639 US7460907B1 (en) 1998-07-20 1999-07-18 Pacing with hemodynamic enhancement
AU47964/99A AU4796499A (en) 1998-07-20 1999-07-18 Pacing with hemodynamic enhancement
US11/933,168 US8321013B2 (en) 1996-01-08 2007-10-31 Electrical muscle controller and pacing with hemodynamic enhancement

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IL12542498A IL125424A0 (en) 1998-07-20 1998-07-20 Pacing with hemodynamic enhancement
IL125424 1998-07-20

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
US11/550,560 Continuation-In-Part US8311629B2 (en) 1996-01-08 2006-10-18 Electrical muscle controller

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US09/720,639 A-371-Of-International US7460907B1 (en) 1998-07-20 1999-07-18 Pacing with hemodynamic enhancement
US11/933,168 Continuation-In-Part US8321013B2 (en) 1996-01-08 2007-10-31 Electrical muscle controller and pacing with hemodynamic enhancement

Publications (2)

Publication Number Publication Date
WO2000004947A2 WO2000004947A2 (en) 2000-02-03
WO2000004947A3 true WO2000004947A3 (en) 2000-06-15

Family

ID=11071760

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IL1999/000392 WO2000004947A2 (en) 1996-01-08 1999-07-18 Pacing with hemodynamic enhancement

Country Status (8)

Country Link
US (1) US7460907B1 (en)
EP (1) EP1098674A4 (en)
JP (1) JP2002521099A (en)
CN (1) CN1206006C (en)
AU (1) AU4796499A (en)
CA (1) CA2338201C (en)
IL (1) IL125424A0 (en)
WO (1) WO2000004947A2 (en)

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EP1098674A4 (en) 2007-05-02
US7460907B1 (en) 2008-12-02
IL125424A0 (en) 1999-03-12
JP2002521099A (en) 2002-07-16
CA2338201C (en) 2013-04-23
CN1310636A (en) 2001-08-29
AU4796499A (en) 2000-02-14
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WO2000004947A2 (en) 2000-02-03
CN1206006C (en) 2005-06-15

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