Patents by Inventor Mark W. Kroll

Mark W. Kroll 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).

  • Patent number: 10675062
    Abstract: A spinal correction system for implantation in a patient, the system including a reciprocating adjuster and/or a resistance adjuster coupled to a stabilizing member, for example. The resistance adjuster includes a potential energy drive, a slide unit, and a resistance unit. The reciprocating adjuster includes a piston unit, a transfer unit coupled to the piston unit, and a return mechanism.
    Type: Grant
    Filed: October 11, 2017
    Date of Patent: June 9, 2020
    Assignee: K2M, Inc.
    Inventors: Ryan M. Kroll, Steven J. Seme, Thomas J. Gisel, Mark W. Kroll
  • Publication number: 20200022748
    Abstract: A protection circuit for a direct-current (DC) ablation prostate therapy system. The protection circuit is selectively coupled to a power source that provides DC constant current to a plurality of electrodes in a catheter configured to deliver DC ablation therapy to prostrate tissue. The protection circuit is controlled by a controller and a switching circuit to buffer energy from the power source in response to a monitoring circuit that monitors at least one parameter of the DC ablation therapy, such as voltage or impedance. The controller is configured to selectively activate the switching circuit based on the monitoring circuit detecting an undesirable increase in the energy delivered for the DC ablation therapy.
    Type: Application
    Filed: February 27, 2019
    Publication date: January 23, 2020
    Inventors: Mark W. Kroll, Kai Kroll
  • Patent number: 10414957
    Abstract: This invention claims low application temperature hot melt adhesive compositions including at least about 15% by weight of a first styrene block copolymer with a melt flow rate of at least about 15 g/10 minutes (190° C., 2.16 kgs) and a diblock content of no greater than about 10% by weight.
    Type: Grant
    Filed: March 16, 2016
    Date of Patent: September 17, 2019
    Assignee: H.B. Fuller Company
    Inventors: Ameara S. Mansour, Kevin P. Davis, David B. Malcolm, Mark S. Kroll, Steven R. Vaughan, Timothy W. Roska, Evan Yuan
  • Patent number: 10252069
    Abstract: Systems and methods for detecting lead anomalies by detecting overcurrent conditions caused by the delivery of high voltage test pulses configured to minimize patient sensation. Patient sensation is minimized by limiting the total charge delivered in either a positive or negative test pulse by limiting duration, and/or by cancelling nerve activations by delivery of an opposite phase cancellation pulse as part of a biphasic test pulse. Embodiments include high-speed H-bridge switches, and micro-coulomb test capacitors to control total charge and duration. Embodiments detect anomalies when an overcurrent circuit detects a current above a threshold passing through an electrode that is not directly energized.
    Type: Grant
    Filed: November 21, 2016
    Date of Patent: April 9, 2019
    Assignee: Lambda Nu Technology LLC
    Inventor: Mark W. Kroll
  • Patent number: 10238884
    Abstract: A multi-modal electrotherapy apparatus including circuitry for administering defibrillation therapy and for administering medium voltage therapy (MVT) adapted to reduce the side effects of MVT. The electrotherapy apparatus is configured to selectively deliver MVT to vectors not involving the ventricles and defibrillation therapy to vectors involving the ventricles. The apparatus can use biphasic waveforms configured to avoid capture of cardiac cells during MVT. The electrotherapy apparatus can minimize the risk of applying MVT at inappropriate times, such as during atrial fibrillation or where conventional ventricular tachycardia or ventricular fibrillation therapy is more appropriate.
    Type: Grant
    Filed: June 12, 2017
    Date of Patent: March 26, 2019
    Assignee: Galvani, Ltd.
    Inventor: Mark W. Kroll
  • Publication number: 20180369578
    Abstract: The present invention relates, generally, to scientific and medical system methods for diagnosis of implantable cardioverter defibrillator (ICD) lead conductor anomalies, in particular conductor migration and externalization within an ICD implantable cardiac lead. The method uses an “imaginary” component of the high frequency transmission line impedance having certain spectral changes that correspond to movements of the conductor or an “imaginary impedance”. This allows the detection of conductor migration and small insulation failures.
    Type: Application
    Filed: May 30, 2018
    Publication date: December 27, 2018
    Inventors: Mark W. Kroll, Charles D. Swerdlow
  • Patent number: 10143851
    Abstract: Apparatus and method for treating an arrhythmia in a patient using an electrotherapy device such as a subcutaneous pacing device. The device applies a series of electrotherapy pulses in response to the presence of the arrhythmia. Various provisions are disclosed for mitigating pain or discomfort as a result of the electrotherapy pulses.
    Type: Grant
    Filed: April 25, 2017
    Date of Patent: December 4, 2018
    Assignee: Galvani, Ltd.
    Inventors: Byron L. Gilman, Mark W. Kroll
  • Patent number: 10039919
    Abstract: Method and apparatus for diagnosis of conductor anomalies, such as partial conductor failures, in an implantable lead for an implantable medical device are disclosed. In various embodiments, small changes in the lead impedance are identified by the use of a small circuit element that is incorporated as part of the distal end of the implantable lead. In various embodiments, the small circuit element is electrically connected to a lead conductor and/or electrode of the implantable lead. Methods of diagnosing conductor anomalies in accordance with these embodiments generate measured values that depend only on the impedance of the conductors and electrodes of the lead, and not on the behavior of the conductor-tissue interface and other body tissues.
    Type: Grant
    Filed: March 25, 2014
    Date of Patent: August 7, 2018
    Assignee: Lambda Nu Technology LLC
    Inventors: Mark W. Kroll, Charles D. Swerdlow
  • Patent number: 9987485
    Abstract: The present invention relates, generally, to scientific and medical system methods for diagnosis of implantable cardioverter defibrillator (ICD) lead conductor anomalies, in particular conductor migration and externalization within an ICD implantable cardiac lead. The method uses an “imaginary” component of the high frequency transmission line impedance having certain spectral changes that correspond to movements of the conductor or an “imaginary impedance”. This allows the detection of conductor migration and small insulation failures.
    Type: Grant
    Filed: March 24, 2016
    Date of Patent: June 5, 2018
    Assignee: Lambda Nu Technology LLC
    Inventors: Mark W. Kroll, Charles D. Swerdlow
  • Patent number: 9895168
    Abstract: A spinal correction system for implantation in a patient, the system including a reciprocating adjuster and/or a resistance adjuster coupled to a stabilizing member, for example. The resistance adjuster includes a potential energy drive, a slide unit, and a resistance unit. The reciprocating adjuster includes a piston unit, a transfer unit coupled to the piston unit, and a return mechanism.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: February 20, 2018
    Assignee: K2M, Inc.
    Inventors: Ryan M. Kroll, Steven J. Seme, Thomas J. Gisel, Mark W. Kroll
  • Publication number: 20180028233
    Abstract: A spinal correction system for implantation in a patient, the system including a reciprocating adjuster and/or a resistance adjuster coupled to a stabilizing member, for example. The resistance adjuster includes a potential energy drive, a slide unit, and a resistance unit. The reciprocating adjuster includes a piston unit, a transfer unit coupled to the piston unit, and a return mechanism.
    Type: Application
    Filed: October 11, 2017
    Publication date: February 1, 2018
    Inventors: Ryan M. Kroll, Steven J. Seme, Thomas J. Gisel, Mark W. Kroll
  • Patent number: 9821156
    Abstract: The invention relates to a method and apparatus for diagnosis of conductor anomalies, such as insulation failures, in an implantable medical device, such as an implantable cardioverter defibrillator (ICD), a pacemaker, or a neurostimulator. Insulation failures are detected and localized by identifying changes in electrical fields via surface (skin) potentials. Small variations in potential are detected along the course of the electrode near the site of insulation failure.
    Type: Grant
    Filed: February 26, 2016
    Date of Patent: November 21, 2017
    Assignee: Lambda Nu Technology LLC
    Inventors: Mark W. Kroll, Charles D. Swerdlow
  • Publication number: 20170291035
    Abstract: Apparatus and method for treating an arrhythmia in a patient using an electrotherapy device such as a subcutaneous pacing device. The device applies a series of electrotherapy pulses in response to the presence of the arrhythmia. Various provisions are disclosed for mitigating pain or discomfort as a result of the electrotherapy pulses.
    Type: Application
    Filed: April 25, 2017
    Publication date: October 12, 2017
    Inventors: Byron L. Gilman, Mark W. Kroll
  • Publication number: 20170281962
    Abstract: A multi-modal electrotherapy apparatus including circuitry for administering defibrillation therapy and for administering medium voltage therapy (MVT) adapted to reduce the side effects of MVT. The electrotherapy apparatus is configured to selectively deliver MVT to vectors not involving the ventricles and defibrillation therapy to vectors involving the ventricles. The apparatus can use biphasic waveforms configured to avoid capture of cardiac cells during MVT. The electrotherapy apparatus can minimize the risk of applying MVT at inappropriate times, such as during atrial fibrillation or where conventional ventricular tachycardia or ventricular fibrillation therapy is more appropriate.
    Type: Application
    Filed: June 12, 2017
    Publication date: October 5, 2017
    Inventor: Mark W. Kroll
  • Patent number: 9713727
    Abstract: A multi-modal electrotherapy apparatus including circuitry for administering defibrillation therapy and for administering medium voltage therapy (MVT) adapted to reduce the side effects of MVT. The electrotherapy apparatus is configured to selectively deliver MVT to vectors not involving the ventricles and defibrillation therapy to vectors involving the ventricles. The apparatus can use biphasic waveforms configured to avoid capture of cardiac cells during MVT. The electrotherapy apparatus can minimize the risk of applying MVT at inappropriate times, such as during atrial fibrillation or where conventional ventricular tachycardia or ventricular fibrillation therapy is more appropriate.
    Type: Grant
    Filed: March 28, 2014
    Date of Patent: July 25, 2017
    Assignee: Galvani, Ltd.
    Inventor: Mark W. Kroll
  • Patent number: 9636504
    Abstract: Apparatus and method for treating an arrhythmia in a patient using an electrotherapy device such as a subcutaneous pacing device. The device applies a series of electrotherapy pulses in response to the presence of the arrhythmia. Various provisions are disclosed for mitigating pain or discomfort as a result of the electrotherapy pulses.
    Type: Grant
    Filed: October 26, 2015
    Date of Patent: May 2, 2017
    Assignee: Galvani, Ltd.
    Inventors: Byron L. Gilman, Mark W. Kroll
  • Patent number: 9636500
    Abstract: Active surveillance of potential lead anomalies in implanted medical leads utilizes test signal(s) delivered through an output current pathway and induced signals monitored via an independent monitor current pathway to detect for any reactions to the test signals in the induced signals. Various specific responses can be initiated if a potential insulation breach or anomaly in the implanted medical lead is identified due to detection of a “positive” test result in the induced signals on the monitor current pathway in reaction to a test signal applied to the output current pathway.
    Type: Grant
    Filed: March 25, 2014
    Date of Patent: May 2, 2017
    Assignee: Lambda Nu Technology LLC
    Inventors: Charles D. Swerdlow, Mark W. Kroll
  • Patent number: 9480851
    Abstract: A multi-modal electrotherapy apparatus including circuitry for administering defibrillation therapy and for administering medium voltage therapy (MVT). A combined-use capacitor bank of at least one capacitor stores energy to be administered as defibrillation therapy and MVT. Combined-use discharge circuitry electrically is coupled between the combined-use capacitor bank and patient terminals for selectively administering energy from the capacitor bank according to a plurality of controllable waveforms as either defibrillation therapy or MVT. A controller is configured to cause the discharge circuitry to apply the MVT from the capacitor bank while the capacitor bank undergoes charging in preparation for administration of the defibrillation therapy.
    Type: Grant
    Filed: April 9, 2014
    Date of Patent: November 1, 2016
    Assignee: Galvani, Ltd.
    Inventor: Mark W. Kroll
  • Publication number: 20160271390
    Abstract: The present invention relates, generally, to scientific and medical system methods for diagnosis of implantable cardioverter defibrillator (ICD) lead conductor anomalies, in particular conductor migration and externalization within an ICD implantable cardiac lead. The method uses an “imaginary” component of the high frequency transmission line impedance having certain spectral changes that correspond to movements of the conductor or an “imaginary impedance”. This allows the detection of conductor migration and small insulation failures.
    Type: Application
    Filed: March 24, 2016
    Publication date: September 22, 2016
    Inventors: Mark W. Kroll, Charles D. Swerdlow
  • Patent number: RE47646
    Abstract: In one embodiment, a spinal stabilization apparatus includes a vertebral anchor having a head portion and a bone attachment portion. An elongate, flexible guide is removably coupled to the head portion of the vertebral anchor and has a channel extending longitudinally thereof and communicating with a slot in the head portion of the anchor. An elongate cord may be received within the channel to facilitate inserting and securing a spacer between pairs of anchors installed into adjacent vertebrae of a person's spine.
    Type: Grant
    Filed: June 12, 2017
    Date of Patent: October 15, 2019
    Assignee: Zimmer Spine, Inc.
    Inventors: Mark W. Rice, Thomas J Gisel, Hugh D Hestad, Mark J Kroll