Patents Assigned to Arthrocare Corporation
  • Patent number: 10420607
    Abstract: An electrosurgical controller and related methods. At least some of the illustrative embodiments are methods including: placing a distal end of an electrosurgical wand in operational relationship with biological tissue; delivering energy to an active electrode of the electrosurgical wand. During delivering energy, the method may comprise: measuring a value indicative of flow of the energy to the active electrode; summing, over a first predetermined window of time, to create a first value indicative of energy provided to the active electrode; summing, over a second predetermined window of time, to create a second value indicative of energy provided to the active electrode. The method may further comprise: ceasing delivering energy responsive to the first value meeting or exceeding a predetermined value; and ceasing delivering energy responsive to the second value meeting or exceeding a threshold value.
    Type: Grant
    Filed: February 14, 2014
    Date of Patent: September 24, 2019
    Assignee: ArthroCare Corporation
    Inventors: Jean Woloszko, Scott A. Armstrong, Michael Bozeman, Christopher A. Wallis
  • Patent number: 10420601
    Abstract: Limiting joint temperature. At least some of the example embodiments are systems including an electrosurgical probe and a high frequency power supply. The electrosurgical probe may include: a shaft with a distal end, a proximal end, and lumen defined within the shaft; an active electrode disposed near the distal end; a return electrode disposed on the shaft; and a temperature sensor disposed on the shaft spaced away from the active electrode and the return electrode, the temperature sensor is electrically insulated from the electrically conductive fluid. The high frequency power supply may be coupled to the active electrode, and configured to provide an electrical energy output between the active electrode and the return electrode.
    Type: Grant
    Filed: September 14, 2016
    Date of Patent: September 24, 2019
    Assignee: ArthroCare Corporation
    Inventors: Duane W. Marion, Katherine Knudsen, Robert DeCou
  • Patent number: 10383621
    Abstract: A suturing device for grasping soft tissue and placing stitches in soft tissue during endoscopic procedures is described. An elongate housing with a stationary jaw and a movable jaw disposed at the distal end are configured for grasping and releasing soft tissue. A movable needle disposed within the housing is actuated to engage a length of suture and drive the suture into and through the grasped soft tissue. A suture capture member is disposed on the movable jaw and is configured to allow passage of the needle therethrough while securing a portion of the stitched length of suture.
    Type: Grant
    Filed: December 8, 2015
    Date of Patent: August 20, 2019
    Assignee: ArthroCare Corporation
    Inventors: David Gregoire, George W. White
  • Patent number: 10321949
    Abstract: Electrosurgical system with selective control of active and return electrodes. At least some of the illustrative embodiments are systems comprising an electrosurgical wand and an electrosurgical controller. The wand comprises a non-conductive outer surface, at least three electrodes disposed on a distal end of the wand, and at least three electrical leads extending from a proximal end of the wand (one electrical lead electrically coupled to each electrode). The controller comprises a voltage generator and a control circuit coupled between the voltage generator and the electrodes of the wand. The control circuit is configured to: selectively electrically couple the active terminal singly and in combination to the electrodes of the wand; and selectively electrically couple the return terminal singly and in combination to electrodes of the wand.
    Type: Grant
    Filed: November 29, 2017
    Date of Patent: June 18, 2019
    Assignee: ArthroCare Corporation
    Inventors: Hadar Cadouri, Philip M. Tetzlaff
  • Patent number: 10265062
    Abstract: A suture manipulating instrument for passing and retrieving suture through a tissue includes a handle mechanism, an elongate shaft extending from the handle, and a working distal end. The working distal end includes a needle body, a lumen defined by the needle body, a tissue penetrating distal tip, and a lateral slot. A preformed inner member is movably disposed within the lumen of the needle. The handle mechanism is used to extend the wire from the lateral slot of the needle, and to retract the wire into the lateral slot, allowing the working end of the instrument to grasp and manipulate suture by pinning and/or trapping the suture against the needle. In embodiments the inner member is further retracted within the needle lumen, drawing a length of suture into the needle lumen. The suture is subsequently ejected from the needle lumen to form a suture loop.
    Type: Grant
    Filed: February 28, 2014
    Date of Patent: April 23, 2019
    Assignee: ArthroCare Corporation
    Inventors: Seth A. Foerster, Thomas Weisel, Roger Pisarnwongs
  • Patent number: 10092345
    Abstract: An electrosurgical controller with output RF energy control. At least some of the illustrative embodiments are electrosurgical controllers configured to change a first output voltage on the first active terminal relative to the first return terminal by selective control of a number of turns of the primary winding of a transformer used to create the output voltage.
    Type: Grant
    Filed: September 20, 2013
    Date of Patent: October 9, 2018
    Assignee: ArthroCare Corporation
    Inventor: Duane W. Marion
  • Publication number: 20180228484
    Abstract: A knotless tissue repair assembly for attachment of tissue to bone includes an anchoring implant with a length of suture threaded therethrough. The implant is preferably a soft flexible three-dimensional structure. The implant may be actuated from a first elongate low profile shape into a second short radially expanded shape having a larger diameter than the hole through which it was placed. The suture extends through the anchor, through a tissue to be secured, and back through a designated suture-binding region or passageway within the anchor enabling the suture to be secured therein and without the need for a physician to tie a knot. Further tension applied to a suture leg approximates the tissue to the anchor until a desired tension or distance between the tissue and anchor is achieved.
    Type: Application
    Filed: April 11, 2018
    Publication date: August 16, 2018
    Applicant: ArthroCare Corporation
    Inventors: Christopher Rodriguez, Tri Nguyen
  • Patent number: 9962149
    Abstract: A tissue repair assembly for attachment of tissue to bone or tissue to tissue having a soft anchoring implant 100 with a length of suture 120 there through for tensioning the implant and facilitating attachment of other tissue. The implant 100 is a soft, flexible, three-dimensional structure that has a resident volume 200. An inserter tube 310 facilitates the placement of the implant 100 into bone or adjacent soft tissue where it may be deployed. Upon deployment, the soft anchoring implant 100 shortens axially and expands radially, achieving a larger diameter than the hole through which it was placed, thus resisting pull out.
    Type: Grant
    Filed: November 14, 2012
    Date of Patent: May 8, 2018
    Assignee: ArthroCare Corporation
    Inventors: Treg Brown, Nathaniel Cohen, Robert Fernandez, Richard D'Elia, Christopher D'Elia, Annette Branger, Steve Golden, Marnette Atkinson, Stewart Kume
  • Patent number: 9962150
    Abstract: A knotless tissue repair assembly for attachment of tissue to bone includes an anchoring implant with a length of suture threaded therethrough. The implant is preferably a soft flexible three-dimensional structure. The implant may be actuated from a first elongate low profile shape into a second short radially expanded shape having a larger diameter than the hole through which it was placed. The suture extends through the anchor, through a tissue to be secured, and back through a designated suture-binding region or passageway within the anchor enabling the suture to be secured therein and without the need for a physician to tie a knot. Further tension applied to a suture leg approximates the tissue to the anchor until a desired tension or distance between the tissue and anchor is achieved.
    Type: Grant
    Filed: December 18, 2014
    Date of Patent: May 8, 2018
    Assignee: ArthroCare Corporation
    Inventors: Christopher Rodriguez, Tri Nguyen
  • Patent number: 9936941
    Abstract: A suture manipulating instrument for passing and retrieving suture through a tissue includes a handle mechanism, an elongate shaft extending from the handle, and a working distal end. The working distal end includes a needle body, a lumen defined by the needle body, a tissue penetrating distal tip, and a lateral slot. A preformed inner member is movably disposed within the lumen of the needle. The handle mechanism is used to extend the wire from the lateral slot of the needle, and to retract the wire into the lateral slot, allowing the working end of the instrument to grasp and manipulate suture by pinning and/or trapping the suture against the needle.
    Type: Grant
    Filed: February 6, 2013
    Date of Patent: April 10, 2018
    Assignee: ArthroCare Corporation
    Inventors: Thomas Weisel, Roger Pisarnwongs
  • Patent number: 9855090
    Abstract: Electrosurgical system with selective control of active and return electrodes. At least some of the illustrative embodiments are systems comprising an electrosurgical wand and an electrosurgical controller. The wand comprises a non-conductive outer surface, at least three electrodes disposed on a distal end of the wand, and at least three electrical leads extending from a proximal end of the wand (one electrical lead electrically coupled to each electrode). The controller comprises a voltage generator and a control circuit coupled between the voltage generator and the electrodes of the wand. The control circuit is configured to: selectively electrically couple the active terminal singly and in combination to the electrodes of the wand; and selectively electrically couple the return terminal singly and in combination to electrodes of the wand.
    Type: Grant
    Filed: January 20, 2014
    Date of Patent: January 2, 2018
    Assignee: ArthroCare Corporation
    Inventors: Hadar Cadouri, Philip M. Tetzlaff
  • Patent number: 9839468
    Abstract: An electrosurgical wand is described, for treating a target tissue using electrosurgical energy, which has an elongate shaft with a handle end and a distal end. A first active electrode surface is disposed on the distal end of the shaft and a first digester electrode surface is recessed away from the first active electrode surface and electrically connected with the first active electrode surface. An aspiration aperture is also disposed adjacent the first active electrode surface and fluidly connected with an aspiration lumen, wherein the first digester electrode surface is disposed within the aspiration lumen.
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: December 12, 2017
    Assignee: ArthroCare Corporation
    Inventors: Kim Nguyen, Doug Evans, Seth M. Pransky
  • Patent number: 9814565
    Abstract: A suture anchor device and method for attaching soft tissue to bone includes an anchor body and a suture locking wedge movably disposed within the anchor body. The suture locking wedge includes lateral portions which engage slots or windows in the anchor body. Tension applied to one limb of a suture causes the suture locking wedge to translate and rotate to a position which compresses the suture, thereby locking the suture in the anchor.
    Type: Grant
    Filed: April 17, 2015
    Date of Patent: November 14, 2017
    Assignee: ArthroCare Corporation
    Inventors: Seth A Foerster, Steven Wolf, Emil Karapetian, George W. White, David Gregoire, Pablo Catania, Christopher Rodriguez
  • Patent number: 9801678
    Abstract: Controlling conductive fluid flow during an electrosurgical procedure. At least some of the example embodiments are methods including: flowing conductive fluid from a source lumen to a suction lumen of an electrosurgical wand, the flowing with the electrosurgical wand in a first orientation; sensing a change in orientation of the electrosurgical wand to a second orientation different than the first orientation; and changing a control parameter associated with the conductive fluid flow, the changing responsive to the change in orientation of the electrosurgical wand.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: October 31, 2017
    Assignee: ArthroCare Corporation
    Inventor: David A. Cox
  • Patent number: 9788882
    Abstract: An electrosurgical wand. At least some of the illustrative embodiments are electrosurgical wands configured as a surgical forceps including opposed legs that defines respective distal end portions, the legs of the forceps operable to be actuated between an open position and a closed position, an active and return electrode disposed on one of the respective distal end portions, a discharge aperture on one of the distal end portions coupled to a first fluid conduit, and an aspiration aperture through the return electrode on the other of the distal end portions fluidly coupled to a second fluid conduit. In embodiments, the position of the forceps' legs, and the electrical energy applied to the electrodes, is adjusted to provide dissection or coagulation to the tissue. A stop or latch on the forceps' legs may maintain the active and return electrode a fixed distance from one another.
    Type: Grant
    Filed: September 10, 2012
    Date of Patent: October 17, 2017
    Assignee: ArthroCare Corporation
    Inventors: Doug Evans, Lloyd Gonzalez, Nathan Wang, Jean Woloszko
  • Patent number: 9713489
    Abstract: Electrosurgical methods and systems. At least some of the illustrative embodiments are methods including maintaining plasma proximate to an active electrode in a first energy range, and a second energy range. During periods when plasma is proximate to the active electrode, the illustrative method may include controlling flow of fluid drawn into an aperture of an electrosurgical wand, and in some situations increasing fluid flow drawing into the aperture responsive to the active electrode being in operational relationship with tissue, and in other cases decreasing fluid flow drawing into the aperture responsive to the active electrode being in operational relationship with tissue. Further, during periods when plasma is proximate to the active electrode, the illustrative method may include providing output energy at a default energy setpoint, and then providing output energy at a second energy setpoint.
    Type: Grant
    Filed: March 7, 2013
    Date of Patent: July 25, 2017
    Assignee: ArthroCare Corporation
    Inventors: Jean Woloszko, Jonathan Gaspredes, David Yuan, Thomas P. Ryan
  • Patent number: 9693818
    Abstract: Electrosurgical wands. At least some of the illustrative embodiments are electrosurgical wands having features that reduce contact of tissue with an active electrode of a wand, decrease the likelihood of clogging, and/or increase the visibility within surgical field. For example, wands in accordance with at least some embodiments may comprise standoffs, either along the outer perimeter of the active electrode, or through the main aperture in the active electrode, to reduce tissue contact. Wands in accordance with at least some embodiments may implement slots on the active electrodes to increase bubble aspiration to help keep the visual field at the surgical site clear. Wands in accordance with at least some embodiments may implement aspiration flow pathways within the wand that increase in cross-sectional area to reduce the likelihood of clogging.
    Type: Grant
    Filed: February 25, 2014
    Date of Patent: July 4, 2017
    Assignee: ArthroCare Corporation
    Inventors: Jean Woloszko, Johnson E. Goode, David A. Cox, Philip M. Tetzlaff
  • Patent number: 9687219
    Abstract: In repairing soft tissue with a bone anchoring instrument (such as reattaching a tendon of a torn rotator cuff), the bone anchoring instrument may be used to anchor the soft tissue to a region of bone. The anchors inserted into the underlying bone may have one or more lengths of suture or wire attached thereto which may be tensioned independently of one another to affix the soft tissue to the bone by having a selector mechanism selectively engage and disengage ratcheted tensioning wheels from one another. Suture loading mechanisms may be employed for passing suture lengths into and/or through the anchors prior to deployment into the bone where such mechanisms may employ suture snares which are configured to reconfigure from an expanded shape through which suture lengths may be easily passed to a low-profile shape which secures the suture lengths within the snare.
    Type: Grant
    Filed: August 1, 2014
    Date of Patent: June 27, 2017
    Assignee: ArthroCare Corporation
    Inventors: George W. White, David Gregoire, David Aldridge, Edward E. Dolendo, Emil Karapetian, Norman S. Gordon, Tri Nguyen
  • Patent number: 9655610
    Abstract: Methods and systems for medializing a turbinate. Exemplary embodiments comprise methods and systems for repositioning a turbinate proximal to a septum. Certain embodiments comprise an implant and a flexible member coupled to the implant. Embodiments may also comprise an insertion device to install the implant in a desired location.
    Type: Grant
    Filed: February 10, 2015
    Date of Patent: May 23, 2017
    Assignee: ArthroCare Corporation
    Inventors: Donald A. Gonzales, Fred B. Dinger, III, Gabriele G. Niederauer, Jeffrey S. Wrana
  • Patent number: 9649148
    Abstract: Electrosurgical systems and methods are described herein, the system including an electrosurgical probe with an active electrode disposed near the probe distal end, a system with a power supply for delivery of voltage to the active electrode and a controller that receives and processes a signal from a current sensor and a temperature sensor. The current sensor measures the current output of the power supply and the temperature sensor is adjacent an electrically conductive fluid located at a target site. The controller may be programmed to operate in a low voltage mode that limits the power supply to a low voltage output so as to determine whether the current output from the current sensor is within a current output range. This range is defined by predetermined upper and lower limits that are modified by at least one measured value.
    Type: Grant
    Filed: July 24, 2014
    Date of Patent: May 16, 2017
    Assignee: ArthroCare Corporation
    Inventors: Jean Woloszko, Jonathan L. Gaspredes, Scott A. Armstrong