Patents Examined by Eunhwa Kim
  • Patent number: 9924883
    Abstract: Disclosed herein are neural probes comprising an L1 polypeptide functional fragment thereof on the exterior surface of the probe, devices including such electrodes, and methods of their use. The disclosed embodiments are useful, for example, for in methods of recording and/or stimulating neural signals in a subject.
    Type: Grant
    Filed: June 27, 2014
    Date of Patent: March 27, 2018
    Assignee: University of Pittsburgh—Of the Commonwealth System of Higher Education
    Inventors: Xinyan T. Cui, Carl F. Lagenaur, Erdrin Azemi, Noah R. Snyder
  • Patent number: 9924994
    Abstract: An apparatus and method for performing cardiac ablations employs a catheter comprising an anchoring device and an ablating device to perform the ablations to electrically isolate the pulmonary veins and left atrium from surrounding atrial tissue. The anchor can comprise a balloon-type device, a stent-like device, a strut-like device, a spring-strut-like device, an umbrella-like device, a mushroom-like device, or other device that allows the catheter to maintain a position with respect to target tissue. The ablator can comprise a balloon ablator, an umbrella ablator, a pinwheel ablator, an umbrella ablator incorporating a cinch mechanism, a mushroom balloon ablator and a segmented balloon or pinwheel ablator. The anchor and ablator can also comprise a combination mushroom balloon anchor section and mushroom balloon ablator section. The anchor and ablator can include electrodes for measuring a conductance therebetween when in deployed position, so as to determine the effectiveness of the ablation.
    Type: Grant
    Filed: November 1, 2012
    Date of Patent: March 27, 2018
    Assignee: Ablacor Medical Corporation
    Inventors: Martin J. Sklar, Howard E. Guthermann, Howard Ring
  • Patent number: 9924995
    Abstract: An apparatus and method for performing cardiac ablations employs a catheter comprising an anchoring device and an ablating device to perform the ablations to electrically isolate the pulmonary veins and left atrium from surrounding atrial tissue. The anchor can comprise a balloon-type device, a stent-like device, a strut-like device, a spring-strut-like device, an umbrella-like device, a mushroom-like device, or other device that allows the catheter to maintain a position with respect to target tissue. The ablator can comprise a balloon ablator, an umbrella ablator, a pinwheel ablator, an umbrella ablator incorporating a cinch mechanism, a mushroom balloon ablator and a segmented balloon or pinwheel ablator. The anchor and ablator can also comprise a combination mushroom balloon anchor section and mushroom balloon ablator section. The anchor and ablator can include electrodes for measuring a conductance therebetween when in deployed position, so as to determine the effectiveness of the ablation.
    Type: Grant
    Filed: November 1, 2012
    Date of Patent: March 27, 2018
    Assignee: Ablacor Medical Corporation
    Inventors: Martin J. Sklar, Howard E. Guthermann, Howard Ring
  • Patent number: 9924997
    Abstract: An apparatus and method for performing cardiac ablations employs a catheter comprising an anchoring device and an ablating device to perform the ablations to electrically isolate the pulmonary veins and left atrium from surrounding atrial tissue. The anchor can comprise a balloon-type device, a stent-like device, a strut-like device, a spring-strut-like device, an umbrella-like device, a mushroom-like device, or other device that allows the catheter to maintain a position with respect to target tissue. The ablator can comprise a balloon ablator, an umbrella ablator, a pinwheel ablator, an umbrella ablator incorporating a cinch mechanism, a mushroom balloon ablator and a segmented balloon or pinwheel ablator. The anchor and ablator can also comprise a combination mushroom balloon anchor section and mushroom balloon ablator section. The anchor and ablator can include electrodes for measuring a conductance therebetween when in deployed position, so as to determine the effectiveness of the ablation.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: March 27, 2018
    Assignee: Ablacor Medical Corporation
    Inventor: Martin J. Sklar
  • Patent number: 9918775
    Abstract: The disclosed electrosurgical systems and methods accurately determine the power actually applied to a load by using equalizers to calibrate the power measurements. The electrosurgical systems include an electrosurgical generator and an electrosurgical instrument coupled to the electrosurgical generator through an electrosurgical cable. The electrosurgical generator includes an electrical energy source, voltage and current detectors, equalizers that estimate the voltage and current applied to a load, and a power calculation unit that calculates estimated power based upon the estimated voltage and current.
    Type: Grant
    Filed: March 3, 2015
    Date of Patent: March 20, 2018
    Assignee: COVIDIEN LP
    Inventor: James A. Gilbert
  • Patent number: 9918787
    Abstract: A monitoring, managing and protecting system is provided that includes a monitoring probe working in conjunction with an ablating device. The probe is configured to be positioned in close proximity to a region of non-targeted tissue proximate an ablation site of targeted tissue and to be operatively connected to an electrical response assessment system or component. The probe includes an elongate shaft having proximal and distal ends, with a handle disposed at the proximal end thereof and a tissue monitoring and protecting apparatus disposed at the distal end thereof. The ablating device includes an elongate shaft having proximal and distal ends, with a handle mounted at the proximal end thereof and an ablation element mounted at the distal end thereof. The monitoring probe measures electrical characteristics of the non-targeted tissue and/or of the tissue between the monitoring electrode and the ablation electrode.
    Type: Grant
    Filed: May 5, 2011
    Date of Patent: March 20, 2018
    Assignee: St. Jude Medical, Atrial Fibrillation Division, Inc.
    Inventors: Reed R. Heimbecher, Saurav Paul, John M. Berns, Jeffrey A. Schweitzer
  • Patent number: 9913947
    Abstract: A titanium electrosurgical instrument, such as a scalpel (20), and electrosurgical devices, e.g., needle (40), and Bovie tips (40), are provided with a silane coating (30) directly against the solid titanium metal (26, 43, 73) of the body tissue-contacting distal ends (24, 47, 70) thereof whereby to impart advantageous non-stick properties thereto.
    Type: Grant
    Filed: April 9, 2010
    Date of Patent: March 13, 2018
    Assignee: Organic Cautery, LLC
    Inventors: David C. Fairbourn, Edward A. Loeser
  • Patent number: 9907603
    Abstract: An apparatus and method for performing cardiac ablations employs a catheter comprising an anchoring device and an ablating device to perform the ablations to electrically isolate the pulmonary veins and left atrium from surrounding atrial tissue. The anchor can comprise a balloon-type device, a stent-like device, a strut-like device, a spring-strut-like device, an umbrella-like device, a mushroom-like device, or other device that allows the catheter to maintain a position with respect to target tissue. The ablator can comprise a balloon ablator, an umbrella ablator, a pinwheel ablator, an umbrella ablator incorporating a cinch mechanism, a mushroom balloon ablator and a segmented balloon or pinwheel ablator. The anchor and ablator can also comprise a combination mushroom balloon anchor section and mushroom balloon ablator section. The anchor and ablator can include electrodes for measuring a conductance therebetween when in deployed position, so as to determine the effectiveness of the ablation.
    Type: Grant
    Filed: May 5, 2011
    Date of Patent: March 6, 2018
    Assignee: Ablacor Medical Corporation
    Inventors: Martin J. Sklar, Howard E. Guthermann, Howard Ring
  • Patent number: 9901399
    Abstract: An ablation probe is provided. The ablation probe includes a housing that is configured to couple to a microwave energy source. A shaft extends distally from the housing and includes a radiating section at a distal end thereof. A sensor assembly is operably disposed on the housing and includes a pair of sensor contacts. One or more sensors are positioned adjacent the radiating section and extend along the shaft. The sensor(s) have a pair of sensor contact pads that are positioned on the shaft for contact with the pair of sensors such that during transmission of microwave from the radiating section into target tissue at least one electrical parameter is induced into the at least one sensor and detected by the pair of sensor contacts.
    Type: Grant
    Filed: October 28, 2013
    Date of Patent: February 27, 2018
    Assignee: COVIDIEN LP
    Inventors: James E. Dunning, Eric W. Larson, Jennifer McHenry
  • Patent number: 9901398
    Abstract: A surgical probe includes a connection hub, an antenna assembly, and an outer jacket. The antenna assembly is coupled to the connection hub, extends distally from the connection hub, and includes a radiating portion coupled thereto at the distal end thereof. The radiating portion is configured to deliver energy to tissue to treat tissue. The outer jacket is coupled to the connection hub, extends distally therefrom, and is disposed about the radiating portion. The outer jacket includes a distal end member configured to be spaced-apart from the radiating portion a target axial distance. One or more of the couplings between the antenna assembly and the connection hub, the radiating portion and the antenna assembly, and the outer jacket and the connection hub defines a flexible configuration permitting axial movement therebetween to maintain the target axial distance between the radiating portion and the distal end member.
    Type: Grant
    Filed: June 3, 2013
    Date of Patent: February 27, 2018
    Assignee: Covidien LP
    Inventors: Joseph D. Brannan, William O. Reid, Jr., Darion R. Peterson, Kaylen J. Haley, Richard A. Willyard, Kenlyn S. Bonn
  • Patent number: 9901389
    Abstract: An electrosurgical device comprising: forceps including: (i) a first working arm having a contact surface and (ii) a second working arm having a contact surface; wherein the forceps has a first electrical configuration where the contact surface of the first working arm and the contact surface of the second working arm are substantially opposite each other so that the contact surfaces of the forceps can be used to grip an item between the working arms and so that the forceps is configured to deliver a first therapy current through the first working arm, the second working arm, or both; and wherein the forceps has second electrical configuration where the contact surface of the first working arm and the contact surface of the second working arm are askew relative to each other and an electrode edge is formed on at least one side of the forceps so that a second therapy current extends from the electrode edge.
    Type: Grant
    Filed: February 12, 2014
    Date of Patent: February 27, 2018
    Assignee: Gyrus ACMI, Inc.
    Inventor: Kester J. Batchelor
  • Patent number: 9895187
    Abstract: A scanning cannula for scanning an electrosurgical instrument for electrical insulation defects includes an elongated sleeve having a receiving end, an opposite exit end, and a passageway extending from the receiving end to the exit end. At least one sweeping contact is disposed in the passageway. A circuit in the sleeve is electrically connected to the at least one sweeping contact. A communication device is connected to the circuit to transmit signals from the circuit to a switchbox of a surgical instrument. An electrosurgical instrument inserted into the receiving end of the sleeve passes through the at least one sweeping contact, and any electrical defect of the electrosurgical instrument detected by the at least one sweeping contact is relayed as an error signal to the circuit, which communicates the error signal to the switchbox. The switchbox cuts current to the electrosurgical instrument and signals an alarm.
    Type: Grant
    Filed: November 12, 2009
    Date of Patent: February 20, 2018
    Assignee: RF KINETICS INC.
    Inventor: Steve Livneh
  • Patent number: 9872719
    Abstract: The electrosurgical systems and methods according to the present disclosure use a multi-stage power converter for generating electrosurgical energy. The electrosurgical systems include an electrosurgical generator having a power converter coupled to an electrical energy source and configured to generate electrosurgical energy. The power converter includes a boost converter configured to convert a first direct current from the electrical energy source to a second direct current, and a phase-shifted pulse width modulation (PS-PWM) resonant inverter configured to invert the second direct current to an alternating current. The electrosurgical generator also includes a plurality of sensors configured to sense a voltage and a current of the generated electrosurgical energy and a controller coupled to the power converter and the plurality of sensors.
    Type: Grant
    Filed: February 13, 2014
    Date of Patent: January 23, 2018
    Assignee: COVIDIEN LP
    Inventor: Joshua H. Johnson
  • Patent number: 9867650
    Abstract: A self-limiting electrosurgical return electrode for use with electrosurgical procedures is disclosed. The return electrode includes a conductive element and pads disposed on opposing sides of the conductive element. The conductive element, optionally in combination with the pads, is configured to limit the density of electrical current that passes from a patient to the return electrode. The conductive element and the pads can cooperate to define two separate working surfaces on opposing sides of the return electrode. The return electrode can also be safely used with patients of substantially any size and without requiring adjustments to the power settings of an electrosurgical generator.
    Type: Grant
    Filed: December 26, 2013
    Date of Patent: January 16, 2018
    Assignee: Megadyne Medical Products, Inc.
    Inventors: Michael D. Ehninger, Paul R. Borgmeier, Melissa K. Fischer
  • Patent number: 9861289
    Abstract: A wearable patch capable of wireless communications includes an elastic layer, an adhesive layer under the elastic layer, and a shearable electrode layer that includes: a support substrate comprising one or more openings so positioned to allow the shearable electrode layer to be sheared and elongated, and breathable, an upper electrode layer on the support substrate, and a lower electrode layer under the support substrate. The support substrate can include a via that is conductively connected to the upper electrode layer and the lower electrode layer. The lower electrode can be in contact with a user's body and to pick up electric signals from the user's body.
    Type: Grant
    Filed: October 22, 2014
    Date of Patent: January 9, 2018
    Assignee: VivaLnk, Inc.
    Inventors: Jiang Li, Junfeng Mei, Zhigang Wang
  • Patent number: 9855092
    Abstract: A scanning cannula for scanning an electrosurgical instrument for electrical insulation defects includes an elongated sleeve having a receiving end, an opposite exit end, and a passageway extending from the receiving end to the exit end. At least one sweeping contact is disposed in the passageway with a limit switch or photocell upstream. A circuit is electrically connected to the at least one sweeping contact. A communication device is connected to the circuit to transmit signals from the circuit to a controller of a surgical instrument. An electrosurgical instrument inserted into the receiving end of the sleeve passes through the at least one sweeping contact, and any electrical defect of the electrosurgical instrument detected by the at least one sweeping contact and assessed by the software is relayed as an error signal to the circuit, which communicates the error signal to the controller. The controller cuts current to the electrosurgical instrument and signals an alarm.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: January 2, 2018
    Assignee: RF KINETICS INC.
    Inventor: Steve Livneh
  • Patent number: 9834874
    Abstract: The invention relates to a textile fabric made of a fleece comprising a super absorbing activation, to a method for producing the textile fabric, to a covering surrounding the textile fabric, to a cooling system using the covering and to a covering designed as a cooling item.
    Type: Grant
    Filed: August 7, 2010
    Date of Patent: December 5, 2017
    Assignee: Pervormance International GmbH
    Inventor: Gabriele Stein
  • Patent number: 9833138
    Abstract: A medical diagnostic device and method, the device including: (a) an alternating current source, adapted to produce an alternating current; (b) an electrode arrangement having at least first and second electrodes, separated by an electrically insulating region, the arrangement having an at least semi-rigid region that fixes the electrodes in a spaced-apart manner, the arrangement adapted to contact the soft tissue on the inner surface of the eyelid; and (c) a processor, associated with the electrode arrangement, said electrodes electrically connected to the alternating current source; wherein, when the electrode arrangement is provided with the alternating current, and is disposed against the soft tissue, the soft tissue electrically bridges between the electrodes to form an electrical circuit, wherein an electrical signal is produced by the alternating current electrically passing between the electrodes via the soft tissue; wherein the processor is adapted to receive in-vivo based electrical information orig
    Type: Grant
    Filed: August 13, 2014
    Date of Patent: December 5, 2017
    Assignee: Z.A Argo
    Inventor: Zvi Nachum
  • Patent number: 9827035
    Abstract: The current invention concerns systems, devices and methods for the ablation of a ablation of the wall of one or more pulmonary veins (PV) from the inside, preferably transmural ablation and preferably at the level of the antrum. Hereby, one or more implant devices can be implanted in the vessels and can subsequently be heated by external energy-providing means.
    Type: Grant
    Filed: October 1, 2012
    Date of Patent: November 28, 2017
    Inventors: Bruno Schwagten, Glenn Van Langenhove
  • Patent number: 9820799
    Abstract: The current invention concerns systems, devices and methods for the ablation of a vessel's wall from the inside, more specifically to implant devices and to the ablation of the wall of one or more renal arteries from the inside, preferably transmural ablation. Hereby, one or more implant devices can be implanted in the vessels and can subsequently be heated by external energy-providing means.
    Type: Grant
    Filed: October 1, 2012
    Date of Patent: November 21, 2017
    Inventors: Bruno Schwagten, Glenn Van Langenhove