With Switching Or Power Control Patents (Class 606/42)
  • Patent number: 11382680
    Abstract: Body tissue ablation is carried out by inserting a probe into a body of a living subject, urging the probe into contact with a tissue in the body, generating energy at a power output level, and transmitting the generated energy into the tissue via the probe. While transmitting the generated energy the ablation is further carried out by determining a measured temperature of the tissue and a measured power level of the transmitted energy, and controlling the power output level responsively to a function of the measured temperature and the measured power level. Related apparatus for carrying out the ablation is also described.
    Type: Grant
    Filed: August 3, 2020
    Date of Patent: July 12, 2022
    Assignee: BIOSENSE WEBSTER (ISRAEL) LTD.
    Inventors: Assaf Govari, Yaron Ephrath, Andres Claudio Altmann
  • Patent number: 11382686
    Abstract: A forceps includes a pair of shaft members, a pair of jaw members each including a distal body and a proximal flange, and a pair of electrode plates. The proximal flanges are engaged with the respective shaft members and pivotably coupled to each other such that pivoting the shaft members pivots the distal jaw bodies. The electrode plates each includes a tissue-contacting portion disposed on the distal body of the respective jaw member and a proximal extension portion extending at least partially through the proximal flange of the respective jaw member. The tissue-contacting portion and proximal extension portion of the first electrode plate are disposed in perpendicular planes relative to each other. Likewise, the tissue-contacting portion and proximal extension portion of the second electrode plate are disposed in perpendicular planes relative to each other.
    Type: Grant
    Filed: June 1, 2018
    Date of Patent: July 12, 2022
    Assignee: COVIDIEN LP
    Inventors: Reid T. Thomson, Grant T. Sims, Jeffrey R. Townsend
  • Patent number: 11382684
    Abstract: Disclosed herein is a medical device. The medical device includes an outer tubular member, an irrigation line, and a bipolar electroblade. The irrigation line is configured to be received within the outer tubular member. The bipolar electroblade is configured to be capable of rotating or oscillating within the outer tubular member.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: July 12, 2022
    Assignee: Gyrus Acmi, Inc.
    Inventor: Joey Magno
  • Patent number: 11364071
    Abstract: A handheld dissector includes a handle including an elongated cuff disposed at a distal end thereof. The elongated cuff defines an opening extending therethrough configured to receive a tissue specimen. The elongated cuff includes a proximal end including a cavity defined therein configured to receive a crimp ring configured to support a plurality of insulative tubes along an inner peripheral surface thereof. Each tube is configured to insulate a wire disposed therein and configured to extend from a distal end thereof. The crimp ring electrically couples to each wire. The dissector also includes a distal end configured to receive a return ring. An active lead operably couples to the crimp ring and a return lead operably couples to the return ring. An activation switch selectively energizes the dissector.
    Type: Grant
    Filed: August 14, 2019
    Date of Patent: June 21, 2022
    Assignee: COVIDIEN LP
    Inventors: Jacob C. Baril, Saumya Banerjee
  • Patent number: 11317963
    Abstract: A surgical instrument includes a handle, and an elongated shaft extending from the handle. An end effector extending from the elongated shaft is in communication with a source of electrosurgical energy and defines an end effector axis. A roll joint couples the end effector to the elongated shaft and includes a first tubular structure extending distally from the elongated shaft and a second tubular structure rotatably coupled to the first tubular structure. The second tubular structure supports the end effector such that the end effector is rotatable about the end effector axis.
    Type: Grant
    Filed: August 13, 2018
    Date of Patent: May 3, 2022
    Assignee: COVIDIEN LP
    Inventor: Peter M. Mueller
  • Patent number: 11298181
    Abstract: An electrosurgical forceps includes first and second shaft members pivotably coupled to one another such that pivoting of the first and second shaft members between spaced-apart and approximated positions pivots jaw members thereof between open and closed positions. A handle of the first shaft member may be moved against a resilient bias of a spring element.
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: April 12, 2022
    Assignee: Covidien LP
    Inventors: Grant T. Sims, Daniel W. Mercier, Craig V. Krastins, Jennifer L. Rich, Kelley D. Goodman
  • Patent number: 11185364
    Abstract: An HF surgical instrument includes two instrument branches movable toward each other into a closing position. Each branch is equipped with at least one electrode and can be supplied with electric power from a power source. The HF instrument includes a separately configured bridge which is connectable to the power source via at least one electric connection or at least one electric line and includes at least one electrically conductive contact point for supplying the at least one electrode with electric power. The bridge can be introduced to at least one of the two branches so that the at least one contact point is electrically contacted by the at least one electrode. A method of assembling a HF surgical instrument includes equipping two instrument branches with at least one electrode.
    Type: Grant
    Filed: September 22, 2014
    Date of Patent: November 30, 2021
    Assignee: AESCULAP AG
    Inventors: Heiko Reichle, Dirk Faitsch, Patrick Heizmann, Nikolaus Hafner, Thomas Maser
  • Patent number: 11160603
    Abstract: Embodiments of the present disclosure provide an electrosurgical device. The electrosurgical device includes an electrode having a first portion whose exterior is electrically uninsulated, a second portion whose exterior is electrically insulated, and a third portion. The device includes an elongated hollow body formed by a first member and a second member. The second member is capable of rotating relative to the first member. The hollow body has an internal cavity, a front end, a rear end, an external surface, and an electrical wire arranged within the body. The hollow body is configured to reversibly receive the third portion of the electrode at the front end of the body such that electrical contact is made between the electrode and the electrical wire and the second portion of the electrode is not surrounded by the hollow body. The device includes a first button, a vacuum tube and a vacuum outlet.
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: November 2, 2021
    Assignee: Buffalo Filter LLC
    Inventors: Kyrylo Shvetsov, Gregory Pepe, Michael J. Miller, Joseph P. Callahan
  • Patent number: 11129666
    Abstract: Disclosed is an apparatus and modular surgical system that allows for a user of modular surgical instruments to manipulate an end effector directly from the instrumentation contained in the handle assembly. A nozzle assembly that is detachable from a handle assembly may include an onboard circuitry board that allows for the RF generator to attach directly to the nozzle assembly and supply RF energy to the end effector, while also interfacing with a microprocessor of the handle assembly. In some aspects, the unique circuitry of the nozzle assembly also allows for shaft rotation while still supplying proper energy and functionality to the end effector.
    Type: Grant
    Filed: June 28, 2017
    Date of Patent: September 28, 2021
    Assignee: Cilag GmbH International
    Inventors: Jeffrey D. Messerly, David C. Yates, Mark A. Davison, Jason L. Harris, Frederick E. Shelton, IV
  • Patent number: 11129668
    Abstract: The instrument comprises a jaw arrangement with two jaws that have, on their side facing the counter-electrode arrangement, rounded or flat electrode surfaces. The counter-electrode arrangement comprises at least one counter-electrode surface that may be rounded or flat. One of the electrode surfaces has a band edge preferably bordered by an insulator on one side, said band edge being adjacent to the adjacent electrode surface of the jaw arrangement. The counter-electrode surface has a band edge adjacent to the insulator facing the band edge of the one electrode surface. The band edges of the electrode surfaces acting as the coagulation surfaces are close enough such that they form cutting edges that develop a cutting effect with low voltages that are otherwise suitable only for coagulation. Accordingly, it is possible to provide fusion instruments that are extremely delicate, display lower thermal inertia and an excellent fusion and cutting effect.
    Type: Grant
    Filed: May 23, 2018
    Date of Patent: September 28, 2021
    Assignee: Erbe Elektromedizin GmbH
    Inventors: Bernhard Tobias Nold, Rolf Weiler, Peter Selig, Klaus Fischer, Lars Blobel
  • Patent number: 11114019
    Abstract: A completely hardware-based graphics interface controller for reading values from sensors or outputting voltages, currents, or other electrical parameters to medical devices is proposed. The graphics interface controller accepts analog or digital input into a programmable logic device (PLD), whose logic gates convert the input value to memory addresses of bitmaps that represent digits or other characters. The bitmaps are copied to respective x, y coordinates in a frame buffer, which are then displayed on a matrix liquid crystal display (LCD) panel. The bitmaps can be simple or elaborate, mimicking the rich look and feel of general purpose computer fonts so that the display output is compelling and modern-looking despite being entirely hardware based. A ventilator or other medical device can be instrumented with one or more sensors whose outputs are to the graphics interface, and an alarm can be triggered for off-nominal conditions.
    Type: Grant
    Filed: January 11, 2021
    Date of Patent: September 7, 2021
    Assignee: Valcura Medical, Inc.
    Inventors: Patrick C. Murray, Jorge E. Martinez-Vargas, Jr., Owen K. Jones, Steven L. Gardner
  • Patent number: 11058477
    Abstract: A control circuit for a surgical instrument includes a shaft control segment, a first electrical conductor configured to conduct a first electrical signal between the shaft control segment and a releasable surgical instrument cartridge, an electrosurgical energy control segment, a second electrical conductor configured to conduct a second electrical signal between the electrosurgical energy control segment and the releasable surgical instrument cartridge, and a connector electrically coupled to the electrosurgical energy control segment and configured to receive electrosurgical generator energy from an electrosurgical generator. The electrosurgical energy control segment is configured to detect a connection of the electrosurgical generator to the connector and to electrically isolate the shaft control segment from the electrosurgical generator energy when the electrosurgical energy control segment detects the connection of the electrosurgical generator to the connector.
    Type: Grant
    Filed: June 28, 2017
    Date of Patent: July 13, 2021
    Assignee: Cilag GmbH International
    Inventors: Jeffrey D. Messerly, David C. Yates, Jason L. Harris, Frederick E. Shelton, IV, Mark A. Davison
  • Patent number: 11013526
    Abstract: Disclosed is an instrument assembly usable in a procedure. The instrument includes a connection for a working portion and to a tool handle. The assembly includes a method and system for interconnection and/or identification of the working portion and the handle.
    Type: Grant
    Filed: August 6, 2018
    Date of Patent: May 25, 2021
    Assignee: Medtronic Xomed, Inc.
    Inventor: Samuel Gladstone
  • Patent number: 10980599
    Abstract: An ablation system for treating tissue in a patient's body includes an energy source, one or more probes connected to the energy source, and a controller communicatively coupled to one or more probes. Each of the probes includes an elongate member having a distal region with an electrically non-conductive outer circumferential portion and a proximal region. The probes further include an electrically conductive energy delivery device extending distally from the electrically non-conductive outer circumferential portion. The controller includes one or more processors and one or more memory devices. The one or more memory devices are configured to store computer-readable instructions that when executed by the one or more processors cause the one or more processors to perform operations. More specifically, the operations include detecting a number of probes connected to the energy source and allocating a portion of the predetermined power supply to each of the probes based on the number of probes detected.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: April 20, 2021
    Assignee: Avent, Inc.
    Inventors: Lisa M. McGregor, Lee Rhein, Tyler W. Crone, Jennifer J. Barrett
  • Patent number: 10973565
    Abstract: Disclosed are systems, devices, and methods for interdigitation of waveforms for dual-output electrosurgical generators. Such methods may comprise outputting DC energy from a power supply, converting DC energy from the power supply, by a plurality of amplifiers coupled to the power supply, into a plurality of RF waveforms, and controlling the plurality of RF amplifiers to interdigitate the first and second RF waveforms.
    Type: Grant
    Filed: July 11, 2019
    Date of Patent: April 13, 2021
    Assignee: Covidien LP
    Inventor: Daniel A. Friedrichs
  • Patent number: 10973564
    Abstract: An integrated gas-enhanced electrosurgical generator. The generator comprises a high frequency power module, a low frequency power module and a gas module. The high frequency power module adapted to generate an electrical energy having a band of frequencies centered around a first frequency, wherein the electrical energy has a first power as the first frequency and a second power lower than the first power at a second frequency lower than the first frequency. The low frequency power module having an input connected to an output of the high frequency module. The low frequency module comprises a resonant transformer comprising a ferrite core, a primary coil and a secondary coil, the secondary coil having a larger number of turns than the primary coil, wherein the resonant transformer has a resonant frequency equal to the second frequency. The gas module is adapted to control a flow of an inert gas.
    Type: Grant
    Filed: May 29, 2018
    Date of Patent: April 13, 2021
    Assignee: U.S. Patent Innovations LLC
    Inventors: Jerome Canady, Alexey Shashurin, Michael Keidar, Taisen Zhuang
  • Patent number: 10940273
    Abstract: The present disclosure provides devices for implanting tissue or other substances within the body. The devices can include a feedback mechanism, which can assist a surgeon in implanting the tissue or other substances by preventing excess shear force or pressure on the tissue or substance to be implanted.
    Type: Grant
    Filed: September 25, 2018
    Date of Patent: March 9, 2021
    Assignee: LifeCell Corporation
    Inventors: Aaron M. Barere, Evan J. Friedman
  • Patent number: 10918436
    Abstract: An endoscopic bipolar forceps includes an elongated shaft having opposing jaw members at a distal end thereof. The jaw members are movable relative to one another from a first position wherein the jaw members are disposed in spaced relation relative to one another to a second position wherein the jaw members cooperate to grasp tissue therebetween. The forceps also includes a source of electrical energy connected to each jaw member such that the jaw members are capable of conducting energy through tissue held therebetween to effect a seal. A generally tube-like cutter is included which is slidably engaged about the elongated shaft and which is selectively movable about the elongated shaft to engage and cut tissue on at least one side of the jaw members while the tissue is engaged between jaw members.
    Type: Grant
    Filed: July 10, 2020
    Date of Patent: February 16, 2021
    Assignee: Covidien AG
    Inventors: Sean T. Dycus, Darion R. Peterson
  • Patent number: 10828087
    Abstract: An electrosurgical instrument connectivity system providing monopolar and bipolar plugs each having a plurality of conductors which allow for use of combination monopolar/bipolar electrosurgical devices with industry standard electrosurgical generator outlets.
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: November 10, 2020
    Assignee: Gyrus Acmi, Inc.
    Inventors: Kester J. Batchelor, Richard Curtis, Jyue Boon (Jonas) Lim, Tsuyoshi Hayashida, John Mensch
  • Patent number: 10765468
    Abstract: An electrosurgical method and device for simultaneously cutting and coagulating tissue with an electrosurgical device having an electrode and a channel wherein said channel has a port near a proximal end of said electrode, wherein the method comprises the steps of causing an inert gas to flow through said channel and exit said port, applying high-frequency energy to said electrode while said inert gas flows through said channel, wherein said high-frequency energy applied to said electrode continuously plasmatizes inert gas exiting said port, initiating an electrical discharge from said electrode through said continuously plasmatized inert gas to said tissue, cutting tissue with said electrode, maintaining said electrical discharge from said electrode through said plasmatized inert gas while cutting tissue with said electrode to cause coagulation of said tissue simultaneously with said cutting.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: September 8, 2020
    Assignee: US Patent Innovations, LLC
    Inventors: Jerome Canady, Edson Vieira, Nicholas Vieira, Kimberly Wiley
  • Patent number: 10709490
    Abstract: Catheter apparatuses, systems, and methods for achieving renal neuromodulation by intravascular access are disclosed herein. One aspect of the present technology, for example, is directed to a treatment device having a direct heating element configured to be delivered to a renal blood vessel. The treatment device is selectively transformable between a delivery or low-profile state and a deployed state. The direct heating element is housed within an occlusion element which is sized and shaped so that the direct heating element contacts an interior wall of the occlusion element, an outer wall of which is simultaneously in contact with the inner wall of a renal blood vessel when the treatment assembly is in the deployed state. The direct heating element is configured to apply thermal energy to heat neural fibers that contribute to renal function.
    Type: Grant
    Filed: May 7, 2014
    Date of Patent: July 14, 2020
    Assignee: MEDTRONIC ARDIAN LUXEMBOURG S.A.R.L.
    Inventor: Roman Turovskiy
  • Patent number: 10695119
    Abstract: A surgical system includes a power supply, a surgical instrument, and a power and data interface assembly. The power and data interface assembly includes a transformer having a primary winding, to which a first modulator and a second demodulator are coupled, and a secondary winding, to which a second modulator and a first demodulator are coupled. The power supply provides a power signal to the first modulator. The first modulator is configured to modulate, according to a first type of modulation, the power signal based on first data. The modulated power signal is communicated by the first modulator to the first demodulator by way of the transformer. The second modulator is configured to modulate, according to a second type of modulation, a second signal based on second data. The modulated second signal is communicated by the second modulator to the second demodulator by way of the transformer.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: June 30, 2020
    Assignee: COVIDIEN LP
    Inventor: Robert B. Smith
  • Patent number: 10667834
    Abstract: A device including: (a) a first working arm; (b) a body; (c) a shuttle located on the body, and (d) a bias device; wherein the bias device biases the first working arm relative to the body when the shuttle is in a first position, and wherein the bias device is free of biasing the first working arm relative to the body when the shuttle is in a second position.
    Type: Grant
    Filed: November 2, 2017
    Date of Patent: June 2, 2020
    Assignee: Gyrus Acmi, Inc.
    Inventors: Kester J. Batchelor, Riyad Moe, Eric G. Tate, Ryan J. Windgassen
  • Patent number: 10653471
    Abstract: Controlling a level of electrosurgical energy provided to tissue based on detected arcing patterns or impedance changes. The drag force imposed on an electrode or blade of an electrosurgical instrument may be controlled by adjusting the level of electrosurgical energy based on the arcing patterns or impedance changes. The arcing patterns or impedance changes may be detected by sensing and analyzing voltage and/or current waveforms of the electrosurgical energy. The current and/or voltage waveform analysis may involve calculating impedance based on the voltage and current waveforms and calculating changes in impedance over time. The waveform analysis may involve detecting harmonic distortion using FFTs, DFTs, Goertzel filters, polyphase demodulation techniques, and/or bandpass filters. The waveform analysis may involve determining a normalized difference or the average phase difference between the voltage and current waveforms.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: May 19, 2020
    Assignee: COVIDIEN LP
    Inventors: Robert H. Wham, James A. Gilbert, Craig A. Keller, Brian L. Roberts
  • Patent number: 10646268
    Abstract: An actuator assembly for selectively transmitting a heating current from a bipolar electrical generator to a surgical tool includes an actuating component with a connector for mounting the actuator assembly to the tool in a predetermined orientation. A lever arm mounted for rotation to the actuating component controls a switch that introduces current to tool electrodes when the switch is closed. A user holds the tool and the mounted actuator assembly in one hand and operates the switch with an ergonomic lever arm rotatably mounted to the actuating component. Different left- and right-hand versions of the lever arm can be used with the same actuator assembly, or the actuator assembly can accept a different lever arm configuration for use with either hand. In another version, the actuator assembly can include a guard for preventing inadvertent actuation of the switch during one-handed manipulation of the tool.
    Type: Grant
    Filed: August 26, 2016
    Date of Patent: May 12, 2020
    Assignee: BIPAD, INC.
    Inventor: Louis Cornacchia
  • Patent number: 10646269
    Abstract: An end effector for an electrosurgical instrument is disclosed which comprises a first jaw comprising a first energy delivery surface, a first distal end, and a first proximal end; and a second jaw comprising a second energy delivery surface, a second distal end, and a second proximal end, wherein the first energy delivery surface comprises a first curved portion that is outwardly curved, and the second energy delivery surface comprises a second curved portion that is inwardly curved. The first jaw or the second jaw is configured for pivotal movement between an open position and a closed position. In the open position, the first and second distal ends are separated apart. In the closed position, the first and second distal ends are in proximity. The end effector also comprises an electrically conductive member which protrudes from either the first or second jaw.
    Type: Grant
    Filed: April 29, 2016
    Date of Patent: May 12, 2020
    Assignee: Ethicon LLC
    Inventors: Barry C. Worrell, Ellen M. Nienhaus, Gregory D. Bishop
  • Patent number: 10561459
    Abstract: An improved hand-held electrosurgical instrument includes a housing, an electrosurgical electrode, supportably interconnected to and extending from a distal end of the housing in a first direction, at least one light source supportably interconnected to the housing for emitting light in the first direction, and a light tunnel member extending away from the distal end of the housing in the first direction and defining a light tunnel therethrough for receiving and directing light emitted by the light source(s) through the light tunnel and out of a distal end of the light tunnel member. The light tunnel member yields improved tissue site illumination. The electrosurgical electrode may extend through and beyond the distal end of the light tunnel member, wherein the light tunnel extends along at least a majority of a length of the electrosurgical electrode that extends distally from the housing.
    Type: Grant
    Filed: June 1, 2016
    Date of Patent: February 18, 2020
    Inventor: Richard P. Fleenor
  • Patent number: 10456194
    Abstract: A wall of a uterus is ablated by expanding a structure in the uterus and applying energy across the wall of the structure into the uterine wall. An exterior surface of the structure conforms to an inner wall of the uterus, and the energy may cause vapor to collect between the wall and the structure. The vapor is released by providing a barrier to release which is inflated at a pressure above which the barrier at least partially collapses to allow the vapor to leave the uterus.
    Type: Grant
    Filed: October 11, 2017
    Date of Patent: October 29, 2019
    Assignee: Minerva Surgical, Inc.
    Inventor: Csaba Truckai
  • Patent number: 10456192
    Abstract: A system for selectively actuating a heating current conductible from a bipolar generator to a surgical tool may comprise an actuator assembly having an output receptacle, an input plug, and an actuating component. The output receptacle may be configured to receive a complementary tool plug of the surgical tool. The input plug may be configured for mating with a generator receptacle receivable of the heating current from the bipolar generator. The generator receptacle may be complementary to the tool plug. The actuating component may have at least one of a switch and a lever arm and may be configured to communicate with the bipolar generator for selectively actuating the heating current to flow from the input plug to the output receptacle upon engagement of the switch or the lever arm.
    Type: Grant
    Filed: May 9, 2016
    Date of Patent: October 29, 2019
    Assignee: BIPAD, LLC
    Inventor: Louis Cornacchia
  • Patent number: 10448995
    Abstract: A system for controlling delivery of ablation energy by an ablation catheter to tissue in a body is provided. The system includes an electronic control unit configured to determine, responsive to a measurement signal from the ablation catheter, a value for a characteristic associated with the delivery of ablation energy to the tissue. In one embodiment, the characteristic is the degree of contact between the ablation catheter and the tissue. The unit is further configured to generate a control signal, responsive to the determined value of the characteristic, to control an amount of energy delivered from an ablation delivery element on the ablation catheter to the tissue. The amount of energy varies in response to the determined value of the characteristic when the determined value of the characteristic meets a predetermined condition relative to a threshold value for the characteristic.
    Type: Grant
    Filed: August 1, 2018
    Date of Patent: October 22, 2019
    Assignee: St. Jude Medical, Atrial Fibrillation Division, Inc.
    Inventor: Eric Steven Olson
  • Patent number: 10426468
    Abstract: A handheld electromechanical surgical device includes a non-sterile power-pack having a drive component(s) including a rotatable drive shaft extending therefrom, a main processor configured to control each drive component, a battery configured to power each drive component, an electrical receptacle, and a control interface(s) configured to control a functionality of the drive component. A sterile outer shell housing is configured to removably encase the power-pack to define a sterile barrier thus enabling use in a surgical environment without breaking sterility. The outer shell housing includes a coupler configured to transmit a rotation from the rotatable drive shaft through the outer shell housing, a control button(s) operatively positioned such that actuation of the control button actuates the control interface, and a pass-through connector configured to transmit electrical communications from the electrical receptacle through the outer shell housing.
    Type: Grant
    Filed: April 12, 2016
    Date of Patent: October 1, 2019
    Assignee: Covidien LP
    Inventors: Elizabeth Contini, Kelly Valentine, Thomas Wingardner, David McCuen, Matthew Chowaniec, John Beardsley, Russell Pribanic, Xingrui Chen
  • Patent number: 10426466
    Abstract: An adapter assembly includes a switch actuator, an actuation bar, and a latch. The switch actuator is movable between a proximal position, in which the switch actuator actuates a switch, and a distal position. The latch is movable between a first position, in which the latch permits proximal movement of the switch actuator, and a second position, in which the latch prevents proximal movement of the switch actuator. The latch is configured to move from the first position toward the second position in response to the actuation bar moving toward a proximal position.
    Type: Grant
    Filed: June 2, 2017
    Date of Patent: October 1, 2019
    Assignee: Covidien LP
    Inventors: Elizabeth Contini, Kelly Valentine, Thomas Wingardner, David McCuen, Matthew Chowaniec, John Beardsley, Russell Pribanic, Xingrui Chen, Christopher Switalski
  • Patent number: 10390852
    Abstract: A surgical device includes an elongated needle body defining an interior lumen extending longitudinally therethrough, having a sharpened distal tip portion. The device further includes an assembly operatively associated with the interior lumen of the needle body. The assembly includes a shaft having an outer surface profile corresponding to an inner surface of the interior lumen of the needle body and a pair of arms extending distally from the shaft. The pair of arms are biased radially outward from the longitudinal axis of the shaft, and each of the pair of arms having a blunt front surface, wherein one of the arms is in a fixed axial alignment with the sharpened distal tip portion of the needle body such that the arms act as an obturator relative to the sharpened distal tip portion of the needle body to guard the needle body from causing accidental needle tip trauma.
    Type: Grant
    Filed: April 16, 2014
    Date of Patent: August 27, 2019
    Assignee: TELEFLEX MEDICAL INCORPORATED
    Inventors: Sundaram Ravikumar, Guy Osborne, Harry Allan Alward
  • Patent number: 10342595
    Abstract: An electrosurgical device that is capable of both generating a plasma to perform surface coagulation and emitting a non-ionizing microwave field (in the absence of plasma) to perform coagulation at a deeper level. The device comprises a probe tip that is connected to receive radiofrequency (RF) and/or microwave frequency energy from a generator, and also defines a flow path for a gas. The probe tip is adjustable between a first configuration, in which it defines a bipolar (e.g. coaxial) structure to produce a high electric field from the received RF and/or microwave frequency energy across the flow path for the gas to strike and sustain plasma and a second configuration, in which it defines an antenna structure to emit non-ionizing microwave energy into tissue.
    Type: Grant
    Filed: May 13, 2014
    Date of Patent: July 9, 2019
    Assignee: CREO MEDICAL LIMITED
    Inventors: Christopher Paul Hancock, Malcolm White, Philip William Hales, Brian Saunders, Sandra May Bernadette Holmes
  • Patent number: 10327833
    Abstract: Switches for electrosurgical devices comprising a plurality of electrode sets and related devices, systems, and methods. In some embodiments, a first electrode set may be configured to deliver CUT radiofrequency energy and a second electrode set configured to deliver COAG radiofrequency energy. A switch assembly may be configured to allow for selection between at least three modes, the at least three modes comprising a first, neutral mode, in which the electrosurgical device is configured such that no radiofrequency energy is delivered to either the first electrode set or the second electrode set, a second, CUT mode, in which the electrosurgical device is configured such that CUT radiofrequency energy may be delivered to the first electrode set through the switch assembly, and a third, COAG mode, in which the electrosurgical device is configured such that COAG radiofrequency energy may be delivered to the second electrode set through the switch assembly.
    Type: Grant
    Filed: June 28, 2015
    Date of Patent: June 25, 2019
    Assignee: TDM Surgitech, Inc.
    Inventors: Mark Kane, Paul J Weber
  • Patent number: 10327840
    Abstract: An electrosurgical tool includes an electrically powered handpiece with a detachable electrode at one end and a power connection at the other. A mechanism for connecting the detachable electrode to the handpiece includes a keyed electrical connection to power the electrode. The handpiece includes a feedback controller incorporated in the tool to adjust operational characteristics of the electrosurgical tool.
    Type: Grant
    Filed: October 17, 2016
    Date of Patent: June 25, 2019
    Inventor: Alan G Ellman
  • Patent number: 10314662
    Abstract: An interface component is provided for use with a first glove and a medical equipment component. The interface component comprises at least one switch located on the first glove, where each of the at least one switch provides a control signal to the medical equipment component. The interface component may further comprise a controller coupled to the plurality of switches, a power supply module coupled to the controller, and a wireless communications interface coupled to the controller in communication with a wireless interface of the medical equipment component.
    Type: Grant
    Filed: November 3, 2017
    Date of Patent: June 11, 2019
    Assignee: SYNAPTIVE MEDICAL (BARBADOS) INC.
    Inventor: Arun Victor Jagga
  • Patent number: 10213249
    Abstract: An electrosurgery handpiece/pencil with smoke evacuation having features that support use at high frequencies without insulation breakdown and that provides increased efficiency of smoke evacuation during cutting and/or coagulation. The electrosurgery handpiece/pencil with smoke evacuation includes a circuit board contained within a heat shrinkable plastic sleeve that is seated on a planar platform.
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: February 26, 2019
    Assignee: I.C. Medical, Inc.
    Inventor: Ioan Cosmescu
  • Patent number: 10052153
    Abstract: A system for controlling delivery of ablation energy by an ablation catheter to tissue in a body is provided. The system includes an electronic control unit configured to determine, responsive to a measurement signal from the ablation catheter, a value for a characteristic associated with the delivery of ablation energy to the tissue. In one embodiment, the characteristic is the degree of contact between the ablation catheter and the tissue. The unit is further configured to generate a control signal, responsive to the determined value of the characteristic, to control an amount of energy delivered from an ablation delivery element on the ablation catheter to the tissue. The amount of energy varies in response to the determined value of the characteristic when the determined value of the characteristic meets a predetermined condition relative to a threshold value for the characteristic.
    Type: Grant
    Filed: March 21, 2017
    Date of Patent: August 21, 2018
    Assignee: ST. JUDE MEDICAL, ATRIAL FIBRILLATION DIVISION
    Inventor: Eric Steven Olson
  • Patent number: 10039595
    Abstract: A slip ring mechanism for a medical manipulator, the slip ring mechanism including: a rotating rod that rotates together with a drive shaft; rotating terminals that are positioned so as to be coaxial to the rotating rod; conductive members that contact the rotating terminals and are electrically connected to an end effector; holding members that hold the conductive members such that the conductive members are sandwiched between the holding members and the rotating terminals; and contact terminals that contact the rotating terminals so as to be capable of rotating and sliding relative thereto.
    Type: Grant
    Filed: October 1, 2015
    Date of Patent: August 7, 2018
    Assignee: Karl Storz SE & Co. KG
    Inventors: Yuuki Sakaguchi, Shinji Ishida
  • Patent number: 9987078
    Abstract: A forceps includes a pair of shaft members, a pair of jaw members each including a distal body and a proximal flange, and a pair of electrode plates. The proximal flanges are engaged with the respective shaft members and pivotably coupled to each other such that pivoting the shaft members pivots the distal jaw bodies. The electrode plates each includes a tissue-contacting portion disposed on the distal body of the respective jaw member and a proximal extension portion extending at least partially through the proximal flange of the respective jaw member. The tissue-contacting portion and proximal extension portion of the first electrode plate are disposed in perpendicular planes relative to each other. Likewise, the tissue-contacting portion and proximal extension portion of the second electrode plate are disposed in perpendicular planes relative to each other.
    Type: Grant
    Filed: July 22, 2015
    Date of Patent: June 5, 2018
    Assignee: COVIDIEN LP
    Inventors: Reid T. Thomson, Grant T. Sims, Jeffrey R. Townsend
  • Patent number: 9962222
    Abstract: An electrosurgical instrument includes jaws having an electrode configuration utilized to electrically modify tissue in contact with one or more electrodes. The instrument is removably connectable to an electrosurgical unit via an electrosurgical connector extending from the instrument and a receptacle on the electrosurgical unit. The electrosurgical instrument is rotatable without disrupting electrical connection to the electrodes of the jaws. One or more of the electrodes is retractable. The electrosurgical unit and instrument optimally seals and/or cuts tissue based on identifying the tissue and monitoring the modification of the tissue by the application of radio frequency energy.
    Type: Grant
    Filed: April 22, 2016
    Date of Patent: May 8, 2018
    Assignee: Applied Medical Resources Corporation
    Inventors: John R. Brustad, Zoran Falkenstein, Benjamin Linville-Engler, Matthew A. Wixey, Gary M. Johnson, Patrick Elliott
  • Patent number: 9956035
    Abstract: Ablation of cardiac tissue is carried out by inserting a probe having an ablation electrode and a plurality of microelectrodes into a body of a living subject to establish contact between two of the microelectrodes and target tissue, and energizing the ablation electrode. While the ablation electrode is energized impedances are measured between the microelectrodes, and the power level of the ablation electrode adjusted according to the impedances.
    Type: Grant
    Filed: March 9, 2015
    Date of Patent: May 1, 2018
    Assignee: Biosense Webster (Israel) Ltd.
    Inventors: Assaf Govari, Christopher Thomas Beeckler, Andres Claudio Altmann
  • Patent number: 9907604
    Abstract: Bipolar electrosurgical forceps are provided with dual irrigating tubes that deliver irrigating liquid to the opposed surfaces of the tips of the forceps to prevent the sticking of body tissue to the tips. To reduce the manufacturing costs of the forceps and enable the forceps to be single use, disposable forceps, each tube of the dual irrigating tools is a plastic tube adhered along one of the opposing surfaces of the pair of forceps arms. Each tube also has a flat nozzle at the distal end of the tube that disburses irrigating liquid across the opposed surfaces of the forceps arm distal and tips.
    Type: Grant
    Filed: January 9, 2013
    Date of Patent: March 6, 2018
    Assignee: STRYKER CORPORATION
    Inventors: Matthew A. Hanlon, Matthew P. LaConte
  • Patent number: 9901391
    Abstract: An electrosurgical pencil adapted to receive an electrode controllable by an electrical signal for performing surgical operations. This pencil includes a housing, a circuit, and switch that is activatable from outside the housing for closing the circuit. The housing receives the electrode. The circuit is a flexible circuit and is positioned such that it is in direct contact with the electrode when the electrode is received in the housing.
    Type: Grant
    Filed: September 16, 2014
    Date of Patent: February 27, 2018
    Assignee: Cimpax ApS
    Inventors: Michael Busch-Madsen, Patrick Busch-Madsen
  • Patent number: 9888959
    Abstract: A therapeutic treatment system includes a holding section configured to hold a biological tissue, electrodes provided in the holding section and capable of outputting first high-frequency energy for sealing the biological tissue at a first sealing temperature and second high-frequency energy for dissecting the biological tissue at a first dissection temperature higher than the first sealing temperature, electrodes provided in the holding section and capable of outputting first thermal energy for sealing the biological tissue at a second sealing temperature higher than the first sealing temperature and second thermal energy for dissecting the biological tissue at a second dissection temperature lower than the first dissection temperature and higher than the second sealing temperature, and a control section configured to control temperature of each of the electrodes to output the second thermal energy after the output of the first high-frequency energy.
    Type: Grant
    Filed: July 6, 2016
    Date of Patent: February 13, 2018
    Assignee: OLYMPUS CORPORATION
    Inventors: Yoshitaka Honda, Tsuyoshi Hayashida, Kazue Tanaka, Sumihito Konishi
  • Patent number: 9884201
    Abstract: An apparatus for determining a thermal property of tissue includes a base unit with one or more energy source and at least two, preferably detachable, leads. The distal end of each lead, which is introduced into the tissue to be treated, has at least two longitudinally spaced temperature measuring elements to measure surrounding tissue temperature and at least two longitudinally spaced electrode surfaces for applying current to the tissue. Each distal end is also provided with an element which uses energy emitted by the sources of energy to heat up the surrounding tissue. The base unit has computing elements, current generating elements for generating an alternating current, and conductance determining elements for determining the tissue conductance between pairs of electrode surfaces based on the alternating current applied by the current generating elements to the tissue. Methods for using the device and leads for use in the device are also described.
    Type: Grant
    Filed: August 23, 2012
    Date of Patent: February 6, 2018
    Assignee: Clinical Laserthermia Systems AB
    Inventors: Pär H. Henriksson, Karl-Göran Tranberg
  • Patent number: 9867652
    Abstract: The present invention relates to the field of medical treatment of diseases and disorders, as well as the field of biomedical engineering. Embodiments of the invention relate to the delivery of Irreversible Electroporation (IRE) through the vasculature of organs to treat tumors embedded deep within the tissue or organ, or to decellularize organs to produce a scaffold from existing animal tissue with the existing vasculature intact. In particular, methods of administering non-thermal irreversible electroporation (IRE) in vivo are provided for the treatment of tumors located in vascularized tissues and organs. Embodiments of the invention further provide scaffolds and tissues from natural sources created using IRE ex vivo to remove cellular debris, maximize recellularization potential, and minimize foreign body immune response. The engineered tissues can be used in methods of treating subjects, such as those in need of tissue replacement or augmentation.
    Type: Grant
    Filed: November 23, 2011
    Date of Patent: January 16, 2018
    Assignee: Virginia Tech Intellectual Properties, Inc.
    Inventors: Michael B. Sano, Rafael V. Davalos, John L. Robertson, Paulo A. Garcia, Robert E. Neal, II
  • Patent number: 9848903
    Abstract: An ultrasonic treatment apparatus includes a movement unit moving in accordance with at least one of an acting state of a load to a treatment section from a jaw and an opening angle of the jaw relative to the treatment section, a movement detector detecting a moving state of the movement unit, and a peak detecting section detecting a target peak of an ultrasonic impedance value. The ultrasonic treatment apparatus includes a control section controlling the peak detecting section to a detection disallowed state where a detection of the target peak is not executed when the movement unit is not placed within a prescribed range based on a detection result in the movement detector.
    Type: Grant
    Filed: February 27, 2017
    Date of Patent: December 26, 2017
    Assignee: OLYMPUS CORPORATION
    Inventors: Yoshihiro Tsubuku, Minoru Kawasaki
  • Patent number: 9839478
    Abstract: A method for treating the lower extremity varicose vein combined ultrasonic wave and microwave is provided. The method includes steps of firstly finding the diseased vein by the ultrasonic imaging equipment; and then directly effecting the microwave treatment catheter/needle on the diseased vein; by the concentric thermal coagulation release effect of the microwave to the tissue, instantly generating high temperature with the certain penetration range in a small range for tissue coagulation; and then gradually making the vascular fibrosis; finally making the completely atresia, thus achieving the therapeutic aim. The present invention uses the ultrasonic imaging microwave treatment technique to treat the lower extremity varicose vein disease.
    Type: Grant
    Filed: March 9, 2014
    Date of Patent: December 12, 2017
    Assignees: Kai Meng, Jie Sun
    Inventors: Kai Meng, Qingyi Meng, Jinxiu Huang, Jie Sun, Xiaoping Wang