Patents Examined by Annie L Shoulders
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Patent number: 11969181Abstract: Medical devices include a ground link, a first actuator pivotably coupled to the ground link and a first movable element operatively coupled to the first actuator by a linkage. The linkage including: the ground link; a second link that is pivotable with respect to the ground link; a fourth link that is pivotable with respect to the ground link; and a third link having a main body extending from a first portion to a second portion and a blocking tab extending away from the main body. The medical device further including a second actuator operatively coupled to the ground link, the second actuator having a blocking surface including a blocking tab that is positioned to engage with at least a portion of the blocking surface of the second actuator to limit movement of the second actuator until the first actuator is at least partially actuated.Type: GrantFiled: March 25, 2020Date of Patent: April 30, 2024Assignee: Gyrus ACMI, Inc.Inventors: Zane R. Ward, Christian J. Fiksen
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Patent number: 11969199Abstract: The disclosure relates to systems and methods for irrigated bipolar radiofrequency ablation. Some examples of the system include an elongate inner electrode assembly and an elongate outer electrode assembly. An irrigation path for irrigation fluid flow is defined between the outer surface of the inner electrode assembly and the outer surface of the outer electrode assembly.Type: GrantFiled: July 30, 2019Date of Patent: April 30, 2024Assignee: Boston Scientific Scimed, Inc.Inventors: Hong Cao, Timothy A. Ostroot
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Patent number: 11950839Abstract: The present invention includes devices and methods for pacing contact, lead, conduit or other medical fixture placement in tissues or organs. The invention features an articulating multiple suction foot device, comprising an inner vacuum conduit and foot slidingly contained within an outer vacuum conduit and foot, with the inner vacuum conduit and foot configured to extend beyond the outer vacuum suction foot, and to be further articulated once extended; as well as a separate tissue or waste removal vacuum assembly that extends within the inner vacuum conduit to the inner vacuum foot to remove cut tissue prior to its advancement beyond the outer vacuum suction foot.Type: GrantFiled: July 30, 2020Date of Patent: April 9, 2024Assignee: SD Cardiothoracic Innovations, LLCInventors: Subhajit Datta, John Bockbrader, Corinne Macnichol
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Patent number: 11950830Abstract: An electrosurgical flux supply unit includes a first terminal configured to deliver a first electrical flux, the first terminal being configured to be electrically coupled with a first electrode of a first electrosurgical instrument, a second terminal configured to receive a second electrical flux; the second terminal being configured to be electrically coupled with a second electrode of the first electrosurgical instrument, and an electrical switching mechanism selectively configurable between a first state and a second state. In the first state, the electrical switching mechanism electrically couples the first electrode with the first terminal and, in the second state, the electrical switching mechanism electrically isolates the first electrode from the first terminal. The electrosurgical flux supply unit is configured to maintain the electrical coupling of the second terminal with the second electrode in both the first state and the second state of the electrical switching mechanism.Type: GrantFiled: May 15, 2017Date of Patent: April 9, 2024Assignee: Intutive Surgical Operations, Inc.Inventor: Michael Orton
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Patent number: 11950843Abstract: An electrosurgical apparatus comprising an electrosurgical forceps instrument that combines la robust jaw opening mechanism with an a microwave energy delivery mechanism. The instrument includes a rigid bracket mounted at a distal end of a flexible shaft, wherein a pair of jaws are pivotably mounted on the rigid bracket. The instrument includes an energy delivery structure comprising a flexible dielectric substrate having a first electrode and an second electrode formed on one of the pair of jaws, wherein the first electrode and the second electrode are arranged to emit microwave energy. The electrosurgical apparatus may also comprise a handpiece that combines rotation control of an electrosurgical instrument with both power delivery and end effector actuation (e.g. jaw closure, blade retraction or the like).Type: GrantFiled: October 12, 2018Date of Patent: April 9, 2024Assignee: CREO MEDICAL LIMITEDInventors: Christopher Paul Hancock, George Christian Ullrich, David Edward Webb, Louis Turner, Simon Meadowcroft, Jessi Johnson, Miriam Taimisto
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Patent number: 11944366Abstract: An end-effector is disclosed including an ultrasonic blade configured to acoustically couple to an ultrasonic transducer and electrically couple to a pole of an electrical generator and a clamp arm including a clamp jaw and a cantilever electrode fixed to the clamp jaw. The cantilever electrode is configured to electrically couple to an opposite pole of the electrical generator. The clamp arm may include an I-beam shaped clamp arm pad and the cantilever electrode is disposed between the I-beam. The clamp jaw, the cantilever electrode, and the clamp arm pad may define recesses along a length coinciding with the ultrasonic blade. The clamp arm pad may be fixed to the clamp jaw and disposed between the clamp jaw and the cantilever electrode and may extend beyond the surface of the cantilever electrode. The clamp arm may include a stationary gap setting pad and movable floating gap setting pads.Type: GrantFiled: May 29, 2020Date of Patent: April 2, 2024Assignee: Cilag GmbH InternationalInventors: Craig N. Faller, Richard W. Flaker, Nina Mastroianni, John E. Brady, Frederick E. Shelton, IV, Jeffrey D. Messerly
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Patent number: 11937864Abstract: The invention relates to a magnetic-navigation joint type puncture needle which comprises a head section and needle sections, wherein, the head section is made of stainless steel material with high magnetic conductivity and is connected with the following needle sections coaxially mounted with the head section through a flexible joint; two needle sections are also coaxially connected with each other through a flexible joint; the needle sections are made of non-magnetic stainless steel material; the flexible joints adopts serpentine tubes formed by melting and engraving cobalt-chromium alloy through laser; and both the head section and the needle sections can be bent, but the flexibility of the head section and that of the needle sections are smaller than the flexibility of the flexible joints.Type: GrantFiled: November 7, 2019Date of Patent: March 26, 2024Assignee: DFine, Inc.Inventors: Joshua Defosset, Nate Shirley, Eric Wong, Craig Purdy, Oleg Yurchak, Jimmy Chi-Yun Chan, Robert D. Poser
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Patent number: 11903636Abstract: A tissue removal system includes an electrosurgical generator including an active electrode port and a return electrode port, an active electrode device configured to connect to the active electrode port, and a return tissue guard configured to connect to the return electrode port. Another tissue removal system includes an electrosurgical generator including an active electrode port and a return electrode port, an active electrode device configured to connect to the active electrode port, and a return specimen bag configured to connect to the return electrode port.Type: GrantFiled: September 27, 2018Date of Patent: February 20, 2024Assignee: Covidien LPInventors: Thomas E. Drochner, James D. Allen, IV, Dylan R. Kingsley, Prakash Manley, Tony Moua, William E. Robinson, Robert H. Wham
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Patent number: 11903633Abstract: The present invention is directed to a system and method for adaptive multivariate control for performing a radiofrequency (RF) ablation procedure with an energy delivery device. The system includes an energy source for delivering energy to a patient's body; one or more energy delivery devices; two or more sensors for measuring at least two factors related to an ablation procedure, respectively; and at least one processor.Type: GrantFiled: December 30, 2020Date of Patent: February 20, 2024Assignee: Avent, Inc.Inventors: Eric A. Schepis, Ryan B. Caldwell, Jalpa S. Shah, Lee C. Burnes, Amol Soin
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Patent number: 11896291Abstract: An electrically-insulative shaft for an energy-based surgical instrument includes an outer tube formed from an electrically-insulative material, an inner tube formed from an electrically-insulative material, and an intermediate tube disposed between the outer and inner tubes. The intermediate tube is formed from an electrically-conductive material. Distal ends of the outer and inner tubes extend beyond a distal end of the intermediate tube and are joined to one another to enclose the distal end of the intermediate tube therebetween.Type: GrantFiled: July 2, 2018Date of Patent: February 13, 2024Assignee: Covidien LPInventor: Zachary S. Heiliger
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Patent number: 11896823Abstract: In methods and devices for treating a body canal or cavity, an internal applicator has an insertable part or section for insertion into the body canal or cavity (e.g. vagina or anal canal) and non-insertable part which may be detachable from a handle or second part of the device. The insertable part may include a plurality of energy delivery elements, optionally spaced apart in an array. During treatment the insertable part is positioned into or onto the body canal or cavity. The treatment may then proceed without additional movement of the insertable part. The energy delivery elements may be activated in predetermined order.Type: GrantFiled: August 1, 2018Date of Patent: February 13, 2024Assignee: BTL Healthcare Technologies a.s.Inventors: Tomá{hacek over (s)} Schwarz, Lucia Jelinkova, Jan Milichovsky
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Patent number: 11896282Abstract: Tissue is treated using a radiofrequency power supply connected to an applicator having a chamber filled with an electrically non-conductive gas surrounded by a thin dielectric wall. A radiofrequency voltage is applied at a level sufficient to ionize the gas into a plasma and to capacitively couple the ionized plasma with the tissue to deliver radiofrequency current to ablate or otherwise treat the tissue.Type: GrantFiled: January 14, 2019Date of Patent: February 13, 2024Assignee: HERMES INNOVATIONS LLCInventors: Akos Toth, Csaba Truckai
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Patent number: 11896228Abstract: Exemplary embodiments of the present disclosure relate to devices, systems, and methods for tissue resection in a body lumen of a patient, and may include an endoscope and a backstop delivery device extendable through the endoscope. The backstop delivery device may deliver a backstop to a location of selected tissue for resection. A backstop may include a covering being deployable in a patient. The covering may have one or more anchoring mechanisms disposed on an edge of the covering. A tissue resecting device may be extendable through the endoscope for resecting the selected tissue for resection. The covering may be deployable to an outer surface of the body lumen, such that the anchoring mechanism may secure the covering to the outer surface of the body lumen and the covering may expand to cover the selected tissue for resection.Type: GrantFiled: May 10, 2019Date of Patent: February 13, 2024Assignee: BOSTON SCIENTIFIC SCIMED, INC.Inventors: Sean P. Fleury, Eric Wespi, Nicholas L Tassoni, Brian J. Hanson, Gregory Y. Lee, Jose A. Meregotte, Anthony F. Tassoni, Jr., Kevin Windheuser, John A. Hingston, Nolan Hobart, Michael E. Zupkofska, Ryan V. Wales, Scott E. Brechbiel, Rachael Campion, Tara A. Jarobski, Danny S. Lee, Alexander J. Burnham, Christopher K. Oto, Nicholas J. Mazzola, Kevin L Bagley, Shaun D. Comee
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Patent number: 11890049Abstract: An instrument including a first arm, a second arm, and a blade. The first arm includes a lumen in communication with a source of irrigation fluid and one or more outlets in communication with the lumen for delivering the irrigation fluid to a surgical site. The instrument is switchable between a first configuration and a second configuration. In the first configuration, the instrument is configured to deliver a first therapy current through a distal end of the first arm, a distal end of the second arm, or both. In the second configuration, a distal end of the blade extends beyond the distal end of the first arm and beyond the distal end of the second arm.Type: GrantFiled: June 6, 2016Date of Patent: February 6, 2024Assignee: Gyrus ACMI, Inc.Inventors: Kester J. Batchelor, Eric G. Tate, Huisun Wang, Riyad Moe
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Patent number: 11882989Abstract: An electrosurgical connection unit for a surgical robot arm to connect an electrosurgical instrument attached to the arm to an electrosurgical generator. The electrosurgical connection unit includes an input port connectable to the electrosurgical generator, the input port configured to receive a driving electrosurgical signal and output one or more activation signals; an output port connectable to the electrosurgical instrument, the output port configured to output the driving electrosurgical signal received on the input port; one or more activation switch units, wherein activation of an activation switch unit causes an activation signal to be output from the input port indicating a driving electrosurgical signal with a desired waveform is to be activated; and a control unit configured to selectively activate one of the one or more activation switch units in response to a control signal.Type: GrantFiled: March 1, 2019Date of Patent: January 30, 2024Assignee: CMR SURGICAL LIMITEDInventors: Simon Schofield, Paul Christopher Roberts, Gordon Thomas Deane
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Patent number: 11877788Abstract: An electrosurgical apparatus including a robotic tip is provided. The electrosurgical apparatus includes a plurality of actuators and hinging members. The robotic tip includes a retractable electrode. The actuators are coupled to the hinging members via a plurality of pulling mechanisms, such that, one or more of the actuators is rotated to selectively pull one or more of the plurality of pulling mechanisms to pivot and rotate the robotic tip and/or extend and retract the electrode. The electrode is coupled to a gas source and an energy source, such that, the electrode can produce plasma for use in surgical applications.Type: GrantFiled: May 29, 2018Date of Patent: January 23, 2024Assignee: Apyx medical corporationInventors: Gregory Goliszek, Shawn D. Roman
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Patent number: 11871980Abstract: An electrosurgical system having an electrosurgical device, an accessory charging circuit, and an electrosurgical unit is disclosed. The electrosurgical device is operable in at least one of a monopolar mode and a bipolar mode. The electrosurgical unit electrically is coupled to the electrosurgical device and the accessory charging circuit. The electrosurgical unit provides one of a monopolar RF energy signal and a bipolar RF energy signal to the electrosurgical device corresponds with an activated mode and a bipolar signal to the accessory charging circuit.Type: GrantFiled: August 10, 2018Date of Patent: January 16, 2024Assignee: Medtronic Advanced Energy LLCInventor: David Hubelbank
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Patent number: 11864809Abstract: Ablation catheters and systems include flexible catheter tips with a distal needle or ports for delivery of an ablative agent to a target tissue. Pressure monitoring during ablation ensure operation is performed within safe limits and with desired efficacy. Positioning elements help maintain the devices in the proper position with respect to the target tissue and also prevent the passage of ablative agent to normal tissues.Type: GrantFiled: January 14, 2022Date of Patent: January 9, 2024Assignee: Santa Anna Tech LLCInventor: Virender K. Sharma
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Patent number: 11857242Abstract: An attachment for a gas-assisted electrosurgical device. The attachment has a housing having a channel within it, an electrosurgical blade and an electrical connector. The electrosurgical blade has a conductive member comprising an elongated distal portion and a proximal portion, the distal portion having a width greater than a width of the proximal portion, the width of the distal portion being at least three times the thickness of the distal portion, and a coating on at least a portion of said conductive member.Type: GrantFiled: October 31, 2017Date of Patent: January 2, 2024Assignee: U.S. Patent Innovations, LLCInventors: Jerome Canady, Feng Yan, Taisen Zhuang, Dereck Chiu
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Patent number: 11857147Abstract: An electrosurgical connection unit for a surgical robot arm to connect an electrosurgical instrument attached to the arm to an electrosurgical generator. The electrosurgical connection unit includes an input port connectable to the electrosurgical generator, the input port configured to receive a driving electrosurgical signal and output one or more activation signals; an output port connectable to the electrosurgical instrument, the output port configured to output the driving electrosurgical signal received on the input port; one or more activation switch units, wherein activation of an activation switch unit causes an activation signal to be output from the input port indicating a driving electrosurgical signal with a desired waveform is to be activated; and a control unit configured to selectively activate one of the one or more activation switch units in response to a control signal.Type: GrantFiled: November 2, 2020Date of Patent: January 2, 2024Assignee: CMR SURGICAL LIMITEDInventors: Simon Schofield, Paul Christopher Roberts, Gordon Thomas Deane