Endoscopic Patents (Class 606/46)
  • Patent number: 10383678
    Abstract: A vaginal cervical retractor used to maneuver and visualize the uterus during various medical examinations and procedures would include an inner tube provided with a movable assembly of plastic cups (cervical cup and vaginal cup) designed to be inserted into the uterine cavity and a retractable electrosurgical needle. A cervical cup is molded to a hollow outer shaft to form the movable cup assembly. This hollow shaft is provided through which the inner tube can be inserted. By utilizing a vaginal cervical retractor elevator provided with an inner rigid tubing, freely sliding vaginal cup and cervical cup designed to move on the inner tubing, attached to a hollow, plastic outer shaft into which the inner tubing can be inserted, and a retractable, flexible, electrosurgical needle, the colpotomy procedure can be performed with the improved uterine manipulator.
    Type: Grant
    Filed: May 19, 2015
    Date of Patent: August 20, 2019
    Assignee: University of Maryland, Baltimore
    Inventor: Vadim Morozov
  • Patent number: 10278761
    Abstract: An ablation device may generally comprise a first electrode, a plurality of second electrodes, and a grounding pad. Each of the plurality of second electrodes may comprise a first conductive section, a second conductive section, and a non-conductive section between the first conductive section and the second conductive section. The first electrode and each of the plurality of second electrodes may be coupled to an energy source delivering a series of electrical pulses to tissue to induce cell necrosis by irreversible electroporation.
    Type: Grant
    Filed: January 14, 2016
    Date of Patent: May 7, 2019
    Assignee: Ethicon LLC
    Inventors: Gary L. Long, David N. Plescia, Gregory J. Bakos
  • Patent number: 10245100
    Abstract: A connection mechanism and manufacturing method for a surgical instrument includes an inner shaft member that extends at least partially through an elongated shaft member of the instrument and defines proximal and distal ends and is selectively movable in a longitudinal direction with respect to the elongated shaft member and includes at least one aperture that extends partially along the longitudinal direction and disposed distally from the proximal end. The inner shaft member enables a drive collar member to slide on the inner shaft member and reciprocate along the longitudinal direction. A drive collar stop member slides on the inner shaft member and moves along the longitudinal direction. The drive collar stop member then moves in a direction relative to the longitudinal axis to engage the aperture and limit further longitudinal motion of the drive collar member. An inner shaft stop member limits movement of the inner shaft.
    Type: Grant
    Filed: September 18, 2015
    Date of Patent: April 2, 2019
    Assignee: COVIDIEN LP
    Inventors: Grant T. Sims, Michael B. Lyons
  • Patent number: 10219856
    Abstract: Disclosed herein is a cutting and/or coagulating device that includes a cutting and/or coagulating member and a radio frequency generator such that an output of the radio frequency generator is connected to the cutting and/or coagulating member. The cutting and/or coagulating member is electrically resonant at the frequency of the radio frequency generator. Further, the cutting and/or coagulating member may include a resistance wire which is configured to directly contact a target cutting material. The cutting and/or coagulating member may be further heated to a visible glow. Furthermore, a method of cutting and/or coagulating is also contemplated.
    Type: Grant
    Filed: August 20, 2014
    Date of Patent: March 5, 2019
    Inventor: Donald J. Geisel
  • Patent number: 10213252
    Abstract: Methods and systems are disclosed for treating diseased tissue by gentle heating. The method induces vasodilation on tissue disposed about an lumen having both healthy tissue and diseased tissue. The method includes coupling a probe surface to the luminal tissue at a target location and transmitting desired quantities of tissue remodeling energy from the coupled probe into each of a plurality of discrete remodeling zones in the luminal tissue so that the tissue remodeling energy heats the plurality of remodeling zones, the remodeling energy being configured to avoid muscular contraction and inhibit both acute and long-term occlusion of the lumen.
    Type: Grant
    Filed: February 24, 2012
    Date of Patent: February 26, 2019
    Assignee: Vessix, Inc.
    Inventors: Corbett W. Stone, Michael F. Hoey, Rolfe Tyson Gustus, Mike Perry, Arthur G. Blanck, Linas R. Kunstmanas
  • Patent number: 10206734
    Abstract: A high-frequency generator for an electric surgical instrument that treats a living tissue includes a power supply that generates a power, and a resonant circuit that excites a high-frequency signal. The resonant circuit includes a parallel resonant circuit which is connected to the power supply, and a series resonant circuit which is coupled to the parallel resonant circuit and is connected to the electric surgical instrument. The parallel resonant circuit has a higher parallel resonant frequency than a series resonant frequency of the series resonant circuit.
    Type: Grant
    Filed: September 14, 2017
    Date of Patent: February 19, 2019
    Assignee: OLYMPUS CORPORATION
    Inventor: Sadayoshi Takami
  • Patent number: 9980769
    Abstract: Methods and devices for controlling motorized surgical devices are provided. In general, the methods and devices can allow a surgical device to grasp and cut tissue. In some embodiments, the device can include at least one sensor and a motor, and an output of the motor can be configured to be adjusted based at least in part on an output from the at least one sensor. The output of the motor can be configured to provide power for translation of a cutting element along an end effector of the device. Adjusting the motor's output can cause the cutting element to translate through the end effector at different speeds, thereby allowing the cutting element to cut through tissue being grasped by the end effector at different speeds.
    Type: Grant
    Filed: April 8, 2014
    Date of Patent: May 29, 2018
    Assignee: Ethicon LLC
    Inventors: Gregory A. Trees, Chad P. Boudreaux, Matthew C. Miller, Mark A. Davison, David C. Yates, John A. Hibner, Jill A. Inkrott-Smith
  • Patent number: 9848943
    Abstract: An irrigated needle electrode ablation catheter has a distal tip section with a tip electrode, a needle electrode assembly longitudinal movable relative to the catheter, and a needle centering insert in a channel in the tip electrode. The assembly has a proximal tubing and a distal needle electrode, and the insert supports the needle electrode in the channel at a predetermined separation distance from the tip electrode while enabling irrigation to flow circumferentially around the needle electrode through the channel and exit at the distal end of the tip electrode. The catheter also provides a first dedicated fluid pathway through the assembly and exits at the distal end of the needle electrode, and a second dedicated fluid pathway to supply fluid to the channel in the tip electrode, wherein the second pathway is defined by a guide tube and directed by a plunger member.
    Type: Grant
    Filed: April 18, 2014
    Date of Patent: December 26, 2017
    Assignee: Biosense Webster (Israel) Ltd.
    Inventors: Christopher Beeckler, Athanassios Papaioannou, Rowan Hettel, Maribeth Esguerra Wilczynski
  • Patent number: 9795435
    Abstract: An end effector assembly for a surgical instrument includes first and second jaw members, each including a jaw frame, spacer, electrically-conductive plate, and outer housing. The jaw frame includes at least one proximal flange and a distal jaw support extending distally therefrom. The spacer defines a body and a wing disposed on either side of the body. The body defines a channel configured to receive the distal jaw support while each wing defines a slot. The plate defines a tissue-contacting portion and first and second legs extending perpendicularly from the tissue-contacting portion. The tissue-contacting portion is configured to sit atop the body of the spacer. Each of the legs is configured for receipt within the slot defined within one of the wings. The outer housing at least partially surrounds the distal jaw support, spacer, and legs and is configured to retain these components in position relative to one another.
    Type: Grant
    Filed: May 22, 2015
    Date of Patent: October 24, 2017
    Assignee: COVIDIEN LP
    Inventors: James D. Allen, IV, Jessica E. C. Olson, Purvish Soni, Jason G. Weihe
  • Patent number: 9788829
    Abstract: A device for reducing the volume of a hollow body organ includes a tissue port and a plurality of fasteners. The fasteners may be coupled to a flexible filament, such as a suture, which is tensioned to constrict the hollow body organ to achieve volume reduction.
    Type: Grant
    Filed: August 17, 2016
    Date of Patent: October 17, 2017
    Assignee: EndoGastric Solutions, Inc.
    Inventor: Steve G. Baker
  • Patent number: 9770282
    Abstract: An apparatus and a method for producing a virtual electrode within or upon a tissue to be treated with radio frequency alternating electric current. An apparatus in accord with the present disclosure includes a supply of a conductive or electrolytic fluid to be provided to the patient, an alternating current generator, and a processor for creating, maintaining, and controlling the ablation process by the interstitial or surficial delivery of the fluid to a tissue and the delivery of electric power to the tissue via the virtual electrode. A method in accord with the present disclosure includes delivering a conductive fluid to a predetermined tissue ablation site for a predetermined time period, applying a predetermined power level of radio frequency current to the tissue, monitoring at least one of several parameters, and adjusting either the applied power and/or the fluid flow in response to the measured parameters.
    Type: Grant
    Filed: July 24, 2007
    Date of Patent: September 26, 2017
    Assignee: Medtronic, Inc.
    Inventors: Michael F. Hoey, Mark A. Christopherson, Steven M. Goetz
  • Patent number: 9675369
    Abstract: An embodiment of a medical device includes a proximal handle, a distal end effector, an elongate member connecting the end effector to the handle, and a sheath enclosing at least a portion of the elongate member. The handle may include a first mechanism coupled to one of the sheath and the elongate member to move the sheath relative to the elongate member, a second mechanism coupled to the elongate member to rotate the elongate member relative to the handle, and a locking mechanism coupled to the first mechanism to hold the first mechanism in a default position. Embodiments also include methods of positioning the medical device to perform a medical procedure.
    Type: Grant
    Filed: December 16, 2008
    Date of Patent: June 13, 2017
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: James A. Teague, Eric Cheng, Mohamed Fazni Aziz
  • Patent number: 9655639
    Abstract: A tissue cutting device that is especially suited for neurosurgical applications is disclosed and described. The device includes a handpiece and an outer cannula in which a reciprocating inner cannula is disposed. The inner cannula includes a hinge between a body section and a cutting section that allows the cutting section to pivot when the inner cannula reciprocates within the outer cannula. A tissue collector is also provided and is in fluid communication with the lumen of the inner cannula. The tissue cutting device may be used with imaging device such as microscopes and endoscopes during neurosurgery procedures.
    Type: Grant
    Filed: February 20, 2009
    Date of Patent: May 23, 2017
    Assignee: Nico Corporation
    Inventor: Joseph L. Mark
  • Patent number: 9592085
    Abstract: A probe for ablating tissue comprises an electrosurgical working end configured to provide a first plasma about a first surface location and a second plasma about a second surface location, the first plasma having first ablation parameters and the second plasma having second ablation parameters. The probe has a working end with a thickness below 3 mm and produces a low temperature plasma.
    Type: Grant
    Filed: October 27, 2015
    Date of Patent: March 14, 2017
    Assignee: RELIGN Corporation
    Inventors: Aaron Germain, Balazs Lesko, Benedek Orczy-Timko
  • Patent number: 9526567
    Abstract: An end effector assembly for use with an electrosurgical instrument is provided. The end effector assembly includes a pair of opposing jaw members configured to grasp tissue therebetween. The assembly also includes a thread-like member having a first end coupled to at least one jaw member and a drive member coupled to a second end of the thread-like member. The drive member is configured to position the thread-like member between a first position and a second position, wherein the thread-like member cuts tissue when positioned in the second position.
    Type: Grant
    Filed: February 18, 2014
    Date of Patent: December 27, 2016
    Assignee: COVIDIEN LP
    Inventors: Boris Chernov, Igoris Misuchenko, Georgy Martsinovskiy, Mikhail Verbitsky
  • Patent number: 9504514
    Abstract: A forceps is provided and includes a housing having a shaft. An end effector assembly operatively connects to a distal end of the shaft and includes a pair of first and second jaw members. One or both of the first and second jaw members is movable relative to the other jaw member from a clamping position to an open position. A resilient member operably couples to at least one of the first and second jaw members. The resilient member is configured to bias the first and second jaw members in the clamping position and provide a closure force on tissue disposed therebetween.
    Type: Grant
    Filed: March 2, 2015
    Date of Patent: November 29, 2016
    Assignee: COVIDIEN LP
    Inventors: David M. Garrison, James D. Allen, IV, Jeffrey R. Unger, Duane E. Kerr, Sean T. ONeill, Peter M. Mueller, Kim. V. Brandt, James S. Cunningham, Keir Hart, Daniel A. Joseph, Jason T. Sanders, Robert M. Sharp
  • Patent number: 9486277
    Abstract: A resectoscope includes an electrode arrangement having at least one electrode and being connected to a contact at a proximal end region of the electrode arrangement; a retaining body mounted on the resectoscope that is movable in the direction of movement of the electrode arrangement and includes an electrode mounting for accommodating the end region of the electrode arrangement; and a cable with a plug body for fixing to the retaining body while making contact with the contacts. The retaining body has a plug receptacle for fixing the plug body by an insertion movement aligned at right angles to the direction of movement of the electrode arrangement. In the position which is reached at the end of the insertion movement, the plug body can be turned into an end position where it is blocked by the plug receptacle against a movement in the opposite direction to the insertion movement.
    Type: Grant
    Filed: July 12, 2013
    Date of Patent: November 8, 2016
    Assignee: OLYMPUS WINTER & IBE GMBH
    Inventors: Nils Kapfermann, Christian Brockmann
  • Patent number: 9474881
    Abstract: In an embodiment a sheath allows one to simultaneously ablate tissue, using a catheter located in the sheath, and remove fluid from a patient's pericardial space, via the same sheath, all without withdrawing the ablation catheter from the sheath. Applying pressure (positive or negative) to fenestrations in the sheath may allow one to withdraw fluid from the space, navigate the sheath within the space, and/or adhere the sheath to tissue in the space. Other embodiments are described herein.
    Type: Grant
    Filed: June 14, 2011
    Date of Patent: October 25, 2016
    Inventor: Mehdi Razavi
  • Patent number: 9474438
    Abstract: Endoscopes having a hollow outer sheath configured for insertion into a patient's body are disclosed. A hollow inner sheath is receivable within the outer sheath, and is configured to slideably receive a first internal instrument. A working element can be configured to rotatably support at least the first internal instrument and a second internal instrument such that at least the first internal instrument and the second internal instrument are rotatable about a common axis of rotation being substantially coextensive with a longitudinal axis of the outer sheath. The working element can have at least one guide rail extending longitudinally of the axis of rotation and an actuator block can be slideably mountable to the at least one guiderail and so securable to at least one of the instruments as to be able to urge the at least one of the internal instruments longitudinally of the outer sheath.
    Type: Grant
    Filed: May 25, 2011
    Date of Patent: October 25, 2016
    Assignee: GYRUS ACMI, Inc.
    Inventor: Tailin Fan
  • Patent number: 9468487
    Abstract: An instrument for thermally-mediated therapies in targeted tissue volumes or for volumetric removal of tissue. In one embodiment, the instrument has an interior chamber that includes a diffuser structure for diffusing a biocompatible conductive fluid that is introduced under high pressure. The interior chamber further includes surfaces of opposing polarity electrodes for vaporizing the small cross-section diffused fluid flows created within a diffuser structure. In one embodiment, the diffuser structure includes a negative temperature coefficient of resistance material between the opposing polarity surfaces. The NTCR structure can self-adjust the lengths of current paths between the opposing polarities to insure complete vaporization of the volume of flow of conductive fluid.
    Type: Grant
    Filed: April 29, 2013
    Date of Patent: October 18, 2016
    Assignee: Tsunami MedTech, LLC
    Inventors: John H. Shadduck, Michael Hoey
  • Patent number: 9462936
    Abstract: A medical instrument, in particular a hysteroscope, has a shaft part (12) having a first shaft and an optical system having a second shaft (40), in which the shaft part (12) and optical system can be displaced with respect to one another along the shafts thereof such that, in a first position, the second shaft (40) of the optical system extends beyond the first shaft of the shaft part (12) on the distal side and that, in a second position, a distal end (23) of the first shaft of the shaft part (12) comes to rest approximately level with a distal end (41) of the second shaft (40) of the optical system.
    Type: Grant
    Filed: March 19, 2010
    Date of Patent: October 11, 2016
    Assignee: Karl Storz GmbH & Co. KG
    Inventors: Rudi Campo, Frank Doll
  • Patent number: 9414886
    Abstract: An electrode is for use in an electrosurgical probe, the electrode having two arms defining a longitudinal direction. The electrode also includes a loop depending from the two arms and defining a cutting area within the loop, and a vaporization member attached to one side of the loop. The vaporization member is such that it does not occlude the cutting area and yet presents a substantial profile when the electrode is moved in the longitudinal direction. The arrangement is such that when the electrode is moved in a first longitudinal direction, the loop is capable of resecting a sample of tissue. When the electrode is moved in the opposite longitudinal direction, the vaporization member is capable of vaporizing tissue adjacent thereto to form a groove therein.
    Type: Grant
    Filed: June 18, 2012
    Date of Patent: August 16, 2016
    Assignee: GYRUS MEDICAL LIMITED
    Inventor: Kelvin John Varney
  • Patent number: 9402679
    Abstract: A surgical instrument includes an elongated body having a distal end, a proximal end, and a bore extending between the distal and proximal ends, a pair of jaws for severing vessel mounted on the distal end of the body, wherein at least one of the jaws has an electrically conductive material, and a handle coupled to the proximal end of the elongated body, wherein in a first mode of operation, the electrically conductive material is for receiving energy from a DC source, and in a second mode of operation, the electrically conductive material is for receiving energy from a RF source.
    Type: Grant
    Filed: May 27, 2009
    Date of Patent: August 2, 2016
    Assignee: MAQUET Cardiovascular LLC
    Inventors: Fred Ginnebaugh, Ryan Abbott, Justin Williams, Kenny Dang, Rohit Girotra
  • Patent number: 9402683
    Abstract: A submucosal layer dissection instrument of the present invention includes an instrument body that is inserted into a submucosal layer, a line formed between the proximal end side and the distal end side of the instrument body; and an expanding section provided on the distal end side of the instrument body that expands in the case of having received a supply of fluid through the line.
    Type: Grant
    Filed: December 16, 2004
    Date of Patent: August 2, 2016
    Assignee: OLYMPUS CORPORATION
    Inventors: Hiro-o Yamano, Akihito Sadamasa
  • Patent number: 9375274
    Abstract: The ablation systems, ablation probes, and corresponding methods according to the present disclosure reduce or eliminate energy radiating from an ablation probe into the environment. Some ablation probes include a retractable sheath that shields at least the radiating portion of the ablation probe. The retractable sheath and/or the ablation probe may include conduits through which a fluid may flow to shield the radiating portion and to drive the retractable sheath to an extended state. Other ablation probes include apertures defined in the probe walls through which the fluid can flow to expand a balloon surrounding the radiating portion. Yet other ablation probes include a thermal indicator to indicate the temperature of the ablation probe to a user. The ablation systems include fluid circuits and associated mechanical controls for varying the contents and/or flow rate of the fluid provided to the radiating portion of the ablation probe.
    Type: Grant
    Filed: January 5, 2012
    Date of Patent: June 28, 2016
    Assignee: Covidien LP
    Inventor: William O. Reid, Jr.
  • Patent number: 9370329
    Abstract: A system for performing mapping and ablation functions includes a catheter sized and shaped for vascular access. The catheter includes an elongate body extending between a proximal end and a distal end. A tip section positioned at the distal end of the catheter body and includes a proximal portion and a distal portion. One or more electrode structures are formed on an exterior surface of the tip section. The one or more electrode structures each includes a mapping electrode at the distal portion of the tip section and a contact pad electrically coupled to the mapping electrode.
    Type: Grant
    Filed: September 17, 2013
    Date of Patent: June 21, 2016
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Zaya Tun, Isaac J. Kim, Josef V. Koblish, Minhchau N. Cao, Steve Ha
  • Patent number: 9333026
    Abstract: A system for resecting tissue includes a loop structure configured for cutting tissue, at least a portion of the loop structure formed by an elongate structure having a first end and a second end, wherein a length of the loop structure is adjustable by positioning the first end relative to the second end, wherein a first portion of the loop structure comprises a first electrode, and a second portion of the loop structure comprises a second electrode. A system for resecting tissue includes a loop structure configured for cutting tissue, the loop structure formed by an elongate structure having a first end and a second end, wherein a length of the loop structure is adjustable by positioning the first end relative to the second end, and a support structure coupled to a portion of the elongate structure and having a surface for contacting tissue.
    Type: Grant
    Filed: November 18, 2005
    Date of Patent: May 10, 2016
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Mark E. Girard, Tom Casey, Kimbolt Young, Nathan Murphy, Robert F. Rioux
  • Patent number: 9314294
    Abstract: A surgical system comprises a device adapted to deliver a plurality of surgical instruments to a site within a patient's body, a first surgical instrument comprising an active electrode probe, a second surgical instrument for performing a non-electrosurgical procedure, a conductive shield surrounding the active electrode probe of the first surgical instrument and connected to a reference potential, and a cold instrument monitor connected to the second surgical instrument and to the reference potential.
    Type: Grant
    Filed: March 7, 2013
    Date of Patent: April 19, 2016
    Assignee: ENCISION, INC.
    Inventors: David Newton, Warren Taylor
  • Patent number: 9254169
    Abstract: An ablation apparatus may generally comprise an elongated body having a proximal end and a distal end and a non-conductive tip at the distal end, a conductive sheath at least partially surrounding a portion of the elongated body intermediate the proximal end and the tip, and an electrical conductor electrically connected to the conductive sheath. The ablation apparatus may comprise a first electrode having a first diameter and a plurality of second electrodes each having a second diameter, wherein the first diameter is greater than the second diameter. Methods of using the ablation apparatus are also described.
    Type: Grant
    Filed: February 28, 2011
    Date of Patent: February 9, 2016
    Assignee: Ethicon Endo-Surgery, Inc.
    Inventors: Gary L. Long, David N. Plescia, Gregory J. Bakos
  • Patent number: 9254165
    Abstract: A system and method for detecting faults within an electrosurgical instrument having a shield and an active electrode uses multiple possible fault conditions. In one embodiment the monitoring system comprises an electrosurgical generator coupled to the electrosurgical instrument and adapted to deliver power to the active electrode of the electrosurgical instrument, monitoring circuitry coupled to the electrosurgical generator and the electrosurgical instrument.
    Type: Grant
    Filed: March 6, 2013
    Date of Patent: February 9, 2016
    Assignee: ENCISION, INC.
    Inventors: Kurt Albert Aronow, David Newton, Don R. Boyle
  • Patent number: 9220560
    Abstract: A treatment instrument for an endoscope is provided that is suitable for cutting submucosa in endoscopic submucosal dissection. The treatment instrument for an endoscope includes a treatment portion having a cutting unit at a tip of an insertion portion that is to be inserted into the body. The main unit of the treatment portion is formed in a sawtooth shape having a peak portion and a valley portion. An electrode plate serving as the cutting unit is provided in the valley portion.
    Type: Grant
    Filed: September 12, 2006
    Date of Patent: December 29, 2015
    Assignee: JICHI MEDICAL UNIVERSITY
    Inventor: Hironori Yamamoto
  • Patent number: 9216030
    Abstract: A laparoscopic forceps comprising a handpiece including a distal end portion; a tubular member protruding from the distal end portion of the handpiece, the tubular member having a distal end with a distal opening, a pair of jaws having legs that are disposed within the tubular member and partially protruding from the distal opening, the jaws and the tubular member being movable relative to each other; wherein each of the jaws has an arcuate section; an operable mechanism for creating relative motion between the jaws and the tubular member along a direction parallel to the longitudinal axis, and one or more spacing members extending across the distal opening of the tubular member and between the jaws; wherein the jaws are closable by the relative movement of the tubular member and the jaws towards each other so that the tubular member advances over the arcuate section of the jaws, and the jaws are openable by the relative movement of the tubular member and the jaws away from each other so that the one or more
    Type: Grant
    Filed: September 12, 2014
    Date of Patent: December 22, 2015
    Assignee: GYRUS ACMI, INC.
    Inventors: Tailin Fan, Kester Batchelor, John R. Mensch, Richard A. Thompson
  • Patent number: 9204889
    Abstract: This invention relates to surgical instruments for applying energy to tissue using a vapor-to-liquid phase transition which delivers large amount of energy to the targeted tissue. In one embodiment, the system is configured for volumetric removal of tissue by means of high velocity ejection of a vapor media from a first vapor port proximate to soft tissue wherein the vapor-to-liquid phase change of the media applies energy to the tissue. The system provides a second port coupled to a suction source that cooperates with the first vapor port to suction tissue debris from the targeted site.
    Type: Grant
    Filed: September 12, 2011
    Date of Patent: December 8, 2015
    Assignee: Tsunami MedTech, LLC
    Inventor: John H. Shadduck
  • Patent number: 9173703
    Abstract: A non-linear electrosurgical electrode extender is disclosed. The extender includes a shaft at a proximal end thereof, a receiver at a distal end thereof, and a curved body portion extending between the shaft and the receiver. The shaft fits in an electrosurgical handpiece that defines a handpiece central axis. The receiver receives the electrosurgical electrode. The curved body portion is disposed outside the handpiece central axis and positions the receiver at a converging angle relative to the handpiece central axis such that when the electrosurgical electrode is disposed in the receiver, a surgically active distal end of the electrode intersects the handpiece central axis. The electrode extender is adapted for use with wire loop gynecologic electrosurgical electrode in gynecologic procedures. The extender maintains the tactility and control of a straight electrode extender while permitting the handpiece to be disposed outside the cervix view axis.
    Type: Grant
    Filed: December 7, 2010
    Date of Patent: November 3, 2015
    Assignee: UTAH MEDICAL PRODUCTS INC.
    Inventors: Ben D. Shirley, Mark L. Fox
  • Patent number: 9155554
    Abstract: A tissue resection cap assembly configured to be secured to the distal end of an elongated medical device, such as an endoscope, and a method for resecting tissue. The cap assembly may include a cap structure comprising a working channel and a resection device channel, wherein the resection device channel extends inside the cap structure to a resection device track positioned substantially around the working channel adjacent the distal end of the cap structure. The resection device channel is adapted to direct a resection device from the working channel of the endoscope to the resection device track. The cap assembly further includes one or more ligation bands on the outside surface of the cap structure and a trigger line for deploying the ligation bands from the distal end of the cap structure. The method includes deploying a ligation band around tissue and using a resecting loop to cut the tissue.
    Type: Grant
    Filed: December 26, 2012
    Date of Patent: October 13, 2015
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Paul Smith, Oscar Carrillo, Jr.
  • Patent number: 9119662
    Abstract: A catheter having a tubular body and a rotatable shaft disposed within a lumen of the tubular body. A cutting element is coupled to the rotatable shaft, the cutting element having a cutting edge, the cutting element and rotatable shaft being longitudinally moveable within the tubular body between a stored position in which the cutting element is positioned distal of a side opening and a cutting position in which the cutting element is contained within the lumen of the tubular body and longitudinally aligned with the side opening. The cutting element is configured to extend through the side opening and to cut material from the wall of a vessel at a treatment site as the catheter is pulled proximally through the treatment site. The catheter may optionally have a rotating distal tip with an abrasive surface. The catheter includes a collection chamber positioned proximally of the cutting window.
    Type: Grant
    Filed: June 14, 2011
    Date of Patent: September 1, 2015
    Assignee: Covidien LP
    Inventor: John Robert Moberg
  • Patent number: 9039703
    Abstract: An endoscopic surgical instrument including a fluid jet device and an electrode device. The fluid jet device includes a pipe section with a nozzle on one distal end for a dissection and/or a needleless injection by means of a fluid and the electrode device is for cutting and/or coagulating tissue, the pipe section forming the electrode device. The surgical instrument further includes an insulating device attached to the distal end of the pipe section such that the tissue can only be brought into electrically conductive contact with a peripheral region of the pipe section and not with the distal end of the pipe section.
    Type: Grant
    Filed: March 26, 2010
    Date of Patent: May 26, 2015
    Assignee: ERBE ELEKTROMEDIZIN GMBH
    Inventor: Dietmar Karwei
  • Publication number: 20150141785
    Abstract: A medical probe includes a distal end and an elongate body for insertion into an organ of a patient. The distal end is connected to the elongate body and includes multiple arms that, when inserted into the organ, extend to form multiple respective spirals each having electrodes disposed thereon.
    Type: Application
    Filed: November 21, 2013
    Publication date: May 21, 2015
    Applicant: BIOSENSE WEBSTER (ISRAEL) LTD.
    Inventors: Gal Hayam, Stuart G. Williams
  • Patent number: 9033977
    Abstract: A vaginal cervical retractor used to maneuver and visualize the uterus during various medical examinations and procedures would include an inner tube provided with a movable assembly of plastic cups (cervical cup and vaginal cup) designed to be inserted into the uterine cavity and a retractable electrosurgical needle. A cervical cup is molded to a hollow outer shaft to form the movable cup assembly. This hollow shaft is provided through which the inner tube can be inserted. By utilizing a vaginal cervical retractor elevator provided with an inner rigid tubing, freely sliding vaginal cup and cervical cup designed to move on the inner tubing, attached to a hollow, plastic outer shaft into which the inner tubing can be inserted, and a retractable, flexible, electrosurgical needle, the colpotomy procedure can be performed with the improved uterine manipulator.
    Type: Grant
    Filed: June 9, 2010
    Date of Patent: May 19, 2015
    Assignee: UNIVERSITY OF MARYLAND, BALTIMORE
    Inventor: Vadim Morozov
  • Patent number: 9023044
    Abstract: An electrosurgical instrument includes a first jaw member with a first electrode area and a second electrode area and a second jaw member, such that at least either the first jaw member or the second jaw member can be pivoted around a pivot axis in such a way that the jaw members can be approached to one another or distanced from one another, so that the first jaw member can be rotated in relation to the second jaw member around a rotation axis between a first predetermined working position and a second predetermined working position, so that in the first working position the first electrode area of the first jaw member is facing the second jaw member and so that in the second working position the second electrode area of the first jaw member is facing the second jaw member.
    Type: Grant
    Filed: May 11, 2012
    Date of Patent: May 5, 2015
    Assignee: Karl Storz GmbH & Co. KG
    Inventor: Bernd Emmerich
  • Patent number: 9011315
    Abstract: The present invention relates to methods and systems for endoscopic fasciotomies. In certain embodiments such methods include dissecting tissue down to the fascia using an endoscopic dissector, lifting the fascia off tissue, vascular structures, muscle, and/or nerves, cauterizing and cutting the fascia using a bisector/bipolar device inserted through a cannula, retracting the cannula, and closing the incision site. A suction device introduced via the cannula may be used to apply suction to remove blood, tissue, irrigation fluid and/or other debris with the cannula in situ.
    Type: Grant
    Filed: July 18, 2011
    Date of Patent: April 21, 2015
    Assignee: The New York and Presbyterian Hospital
    Inventor: Debra A. King
  • Patent number: 9011434
    Abstract: A medical device including an elongate member having a proximal end, a distal end, and a lumen extending therebetween. The medical device may further include an end-effector disposed at the distal end of the elongate member. The end-effector may include a plurality of arms pivotally connected to one another, wherein each arm includes a tissue-contacting surface, a first portion of the tissue-contacting surface including a plurality of ridges configured to grasp tissue. Further, the tissue-contacting surface may include a channel oriented substantially parallel to a longitudinal axis of the medical device.
    Type: Grant
    Filed: January 31, 2013
    Date of Patent: April 21, 2015
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Gary Kappel, Sean Fleury, Paul Smith, Brandon Zalewski, Laurie Soderborn
  • Patent number: 8992526
    Abstract: Surgical instruments are provided for performing laparoscopic or similar minimally invasive operations, including two clamping parts, which can move towards one another and which have clamping surfaces for gripping tissue when they are closed. A cutting device has a cutting edge that, in a cutting direction, can be displaced relative to the clamping parts for cutting the gripped tissue. In such an instrument the cutting direction extends at an acute angle to the clamping surfaces when they are closed.
    Type: Grant
    Filed: July 12, 2005
    Date of Patent: March 31, 2015
    Assignee: Erbe Elektromedizin GmbH
    Inventors: Achim Brodbeck, Dieter Hafner
  • Publication number: 20150088130
    Abstract: A liquid ejecting apparatus for medical treatment includes a liquid ejecting scalpel that ejects a liquid, an ultrasonic scalpel that generates an ultrasonic wave, an outer case that accommodates the liquid ejecting scalpel and the ultrasonic scalpel and includes an opening portion allowing a distal end portion of the liquid ejecting scalpel or a distal end portion of the ultrasonic scalpel to protrude therethrough, a guide portion that is arranged in the outer case and guides the distal end portion of the liquid ejecting scalpel or the distal end portion of the ultrasonic scalpel to the opening portion, and a manipulation section that is arranged in the outer case and selectively causes the distal end portion of the liquid ejecting scalpel or the distal end portion of the ultrasonic scalpel to protrude through the opening portion.
    Type: Application
    Filed: September 19, 2014
    Publication date: March 26, 2015
    Inventors: Hirokazu SEKINO, Koichiro MIYAZAKI, Atsuya HIRABAYASHI
  • Patent number: 8979842
    Abstract: Monopolar electrosurgery devices adapted for resecting tonsil and adenoid tissue. The devices minimize thermal injury by employing a plasma generated by pulsed electrical signals to precisely and effectively cut or coagulate the tissues. Suction may also be applied to the tissues to enhance the cutting, coagulation, and tissue manipulation functions. The devices include an interchangeable tip that may be switched for another tip, depending on which tip may be more suitable for tonsillectomy or adenoidectomy.
    Type: Grant
    Filed: June 4, 2012
    Date of Patent: March 17, 2015
    Assignee: Medtronic Advanced Energy LLC
    Inventors: Ralph I. McNall, III, Kay W. Chang, Paul O. Davison
  • Patent number: 8977333
    Abstract: A shape-imparting mechanism for a catheter that includes an elongate element dimensioned to fit within a lumen of an electrode sheath of a catheter. An insertion facilitating arrangement is carried at a distal end of the elongate element for facilitating insertion of the distal end of the elongate element into the lumen of the electrode sheath of the catheter.
    Type: Grant
    Filed: May 4, 2007
    Date of Patent: March 10, 2015
    Assignee: Cathrx Ltd
    Inventors: Neil L. Anderson, Matthew Partlett
  • Publication number: 20150066026
    Abstract: A surgical instrument includes an end effector assembly having jaw members movable to grasp tissue therebetween. One or both jaw members is adapted to connect to a source of energy for treating tissue grasped and one or both of the jaw members is adapted to connect to a source of energy for electrically cutting tissue. A first switch assembly is selectively activatable for supplying energy to treat tissue. A second switch is selectively activatable for supplying energy to electrically cut tissue. The tactile feel and range of motion during actuation of the second switch assembly mimics the tactile feel and range of motion of activation of a mechanical actuator that advances a cutting blade between the jaw members to mechanically cut tissue.
    Type: Application
    Filed: May 2, 2014
    Publication date: March 5, 2015
    Applicant: COVIDIEN LP
    Inventors: Keir HART, Kelley D. GOODMAN, Diana GUNNARSON, Susan HIEBERT, Scott N. LACOSTA, Weng-Kai K. LEE, Prakash MANLEY, Charles MYERS, Kenneth E. NETZEL, Arlen J. RESCHKE, Paul R. ROMERO, Amanda K. WHITE
  • Patent number: 8970685
    Abstract: An endoscope apparatus is provided for which a user does not need to adjust irradiation light quantity intentionally while confirming a captured image. A captured image which is bright and has stable tint can be obtained without being limited by an imaging distance with respect to the observation of the structure or components of living bodies. The endoscope apparatus includes a first light source section, a second light source section, a light source control unit which controls the irradiation and irradiation light quantity, an imaging unit which obtains a captured image, luminance value calculating unit which calculates the luminance value, a light source light quantity changing unit which changes the irradiation light quantity according to the luminance value, a white balance adjustment value calculating unit which calculates a white balance adjustment value, and a gain adjusting unit which adjusts the gain of the imaging unit.
    Type: Grant
    Filed: November 29, 2011
    Date of Patent: March 3, 2015
    Assignee: FUJIFILM Corporation
    Inventors: Yasuhiro Minetoma, Hiroshi Yamaguchi
  • Patent number: 8968316
    Abstract: A forceps includes an end effector assembly and one or more cutting blades. The end effector assembly defines a longitudinal axis and has a pair of jaw members selectively positionable relative to one another about a pivot. One or more of the jaw members includes an electrically conductive tissue engaging surface adapted to connect to an electrosurgical energy source. One or more of the jaw members includes two or more blade channels defined therein and extending therealong. The one or more cutting blades are selectively movable within one or more of the two or more blade channels.
    Type: Grant
    Filed: February 18, 2011
    Date of Patent: March 3, 2015
    Assignee: Covidien LP
    Inventors: Jeffrey M. Roy, Rebecca Coulson
  • Publication number: 20150057570
    Abstract: Medical devices and systems, and methods of their use, are disclosed having configurations suitable for obtaining biological tissue samples suitable for analysis, such as biopsy, while minimizing undesirable collateral damage to surrounding tissue or minimizing air leaks. Certain disclosed medical systems provide for obtaining biological tissue samples, while preserving organ functionality.
    Type: Application
    Filed: May 29, 2014
    Publication date: February 26, 2015
    Applicant: SPINE VIEW, INC.
    Inventors: Singfatt Chin, Murali Dharan, Jefferey Wayne Etter