Patents by Inventor Judith Kornfeld

Judith Kornfeld has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Electrical muscle controller and pacing with hemodynamic enhancement
    Patent number: 8321013
    Abstract: A method of modifying the force of contraction of at least a portion of a heart chamber is provided. A non-excitatory electric field of given duration is applied, at a delay after an activation of the heart, which increase the force of contraction by at least 5%. Apparatus is also provided for pacing with hemodynamic improvement. Circuitry applies an extended pacing signal to electrodes to pace the heart, the extended pacing signal having an overall duration greater than 8 ms from a time of initiation of application of that portion of the signal that initiates action potential propagation. The signal includes a train of biphasic pulses having pulse durations of at least 1 ms, and the signal has an amplitude that is at least three times as great as a threshold for pacing the heart and that is sufficient neither for cardioversion nor for defibrillation. Other embodiments are also described.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: November 27, 2012
    Assignee: Impulse Dynamics, N.V.
    Inventors: Nissim Darvish, Bella Felsen, Itzhak Shemer, Judith Kornfeld, Shlomo Ben-Haim, Maier Fenster, Yuval Mika
  • Pacing with hemodynamic enhancement
    Patent number: 7460907
    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.
    Type: Grant
    Filed: July 18, 1999
    Date of Patent: December 2, 2008
    Assignee: Impulse Dynamics N.V.
    Inventors: Nissim Darvish, Bella Felsen, Itzik Shemer, Judith Kornfeld
  • Multi-electrode lead
    Patent number: 7412289
    Abstract: This invention is a lead (10) for modifying the activity of a tissue, particularly the heart. Electrodes are provided for performing sensing (15p) (15d), and/or signal delivery (16p) (16d) functions. A control unit controls the parameters of the electric field provided by signal delivery electrodes to prevent the generation of a propagation action potential in the tissue.
    Type: Grant
    Filed: May 4, 2001
    Date of Patent: August 12, 2008
    Assignee: Impulse Dynamics (Israel) Ltd.
    Inventors: Dov Malonek, Nissim Darvish, Judith Kornfeld
  • Multi-electrode lead
    Publication number: 20020055764
    Abstract: This invention is a lead (10) for modifying the activity of a tissue, particularly the heart. Electrodes are provided for performing sensing (15p) (15d), and/or signal delivery (16p) (16d) functions. A control unit controls the parameters of the electric field provided by signal delivery electrodes to prevent the generation of a propagation action potential in the tissue.
    Type: Application
    Filed: May 4, 2001
    Publication date: May 9, 2002
    Inventors: Dov Malonek, Nissim Darvish, Judith Kornfeld