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Surgery > Instruments > Electrical Application > Applicators > Cutting > Bipolar Electrodes Bipolar ElectrodesBipolar Electrodes patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.11/23/06 - 20060264930 - High frequency incision tool for endoscope A high-frequency incision tool for endoscope comprises a sheath inserted through and extracted from a treatment tool guide lumen of an endoscope; an operation unit connected to the rear of the sheath; a pair of electrode blades disposed in parallel and oriented forward at the front position of the sheath, ... 11/23/06 - 20060264929 - Surgical system An electrosurgical instrument includes a hand piece, an electrode assembly comprising one or more electrodes attached to the hand piece, and connection means for connecting the hand piece to an electrosurgical generator. The hand piece comprises a housing, fluid supply lines for directing a cooling fluid to and from the ... 11/09/06 - 20060253117 - Systems and methods for electrosurgical treatment of obstructive sleep disorders The present invention provides systems and methods for selectively applying electrical energy to a target location within the head and neck of a patient's body, particularly including tissue in the ear, nose and throat. The present invention applies high frequency (RF) electrical energy to one or more electrode terminals in ... 10/26/06 - 20060241589 - Battery powered electrosurgical system An battery-powered electrosurgical instrument includes a blade having a conductor edge portion and insulation layer with geometric shapes and composition that concentrate electrosurgical energy and reduce or eliminate the production of smoke and eschar and reduce tissue damage, thereby providing more efficient application of electrosurgical energy. The more efficient use ... 10/26/06 - 20060241588 - Multielectrode electrosurgical blade An electrosurgical instrument blade includes a body having more than two electrodes with at least two electrodes having alternating current power supplied to them provide a bipolar alternating current configuration and employ a means other than electrode spacing for reducing or preventing accumulation of eschar. The electrodes are separated from ... 10/26/06 - 20060241587 - Multielectrode electrosurgical instrument An improved electrosurgical instrument includes a body having more than two electrodes with at least two electrodes having alternating current power supplied to them provide a bipolar alternating current configuration and employ a means other than electrode spacing for reducing or preventing accumulation of eschar. The electrodes are separated from ... 09/07/06 - 20060200123 - Surgical instrument and method A surgical instrument comprises a hollow tube (18) having a cutting window (16) at the distal end portion. An inner tube (15) is disposed within the tube (18) and is mounted for rotation about its longitudinal axis. A cutting tool (17) is located at the distal end of the tube ... 08/31/06 - 20060195084 - Bipolar endoscopic surgical scissor blades and instrument incorporating the same Endoscopic bipolar scissor blades are formed in a laminate assembly of an electrically conductive electrode, an electrically insulating material, and a metal shearing surface which is electrically insulated and physically spaced from the electrode by the insulating material which is disposed therebetween. In one embodiment, the electrode is a metal ... 08/10/06 - 20060178670 - Rotary electrosurgical apparatus and methods thereof Electrosurgical systems, apparatus, and methods for the controlled removal and treatment of a target tissue. An instrument of the invention includes a rotating member housed longitudinally within a shaft, a tissue removal port disposed at the shaft distal end portion, and an active electrode disposed at the instrument distal end. ... 07/27/06 - 20060167450 - Vessel sealer and divider with rotating sealer and cutter An electrosurgical instrument includes a housing having a shaft attached thereto which defines a longitudinal axis therethrough. The instrument also includes first and second opposing jaw members coupled to the shaft, the first jaw member having a conductive surface and being movable relative to the second jaw member and the ... 05/25/06 - 20060111711 - Surgical instrument An electrosurgical instrument for use in cutting and/or coagulating tissue includes a dielectric material, the dielectric material being positioned in the current pathway between the tissue-treatment regions of first and second electrodes. This can be achieved by providing one or more electrode surfaces coated with a dielectric material having a ... 05/25/06 - 20060111710 - Electrosurgical instrument An electrosurgical instrument includes a handpiece, an electrode assembly comprising one or more electrodes attached to the handpiece, and connection means for connecting the handpiece to an electrosurgical generator. The handpiece comprises a housing, fluid supply lines for directing a cooling fluid to and from the electrode assembly, and a ... 05/25/06 - 20060111709 - Electrosurgical instrument An electrode assembly for an electrosurgical instrument, comprises a bipolar cutting blade, and fluid supply lines for directing a cooling fluid to the cutting blade, the cutting blade comprising first, second and third electrodes, and electrical insulators spacing apart the electrodes, the fluid supply lines being such that cooling fluid ... 03/02/06 - 20060047280 - Surgical system An electrosurgical cutting blade (1) comprises a first electrode (2), a second electrode (3), and an electrical insulator (4) separating the first and second electrodes. The first and second electrodes have dissimilar characteristics (cross-sectional area, thermal conductivity etc.) such that the first electrode (2) is encouraged to become an active ... 02/02/06 - 20060025765 - Electrosurgical systems and methods An electrosurgical device includes a plurality of electrodes for forming a plurality of bipolar circuits usable for affecting a patient's tissue during a surgical operation. At least one of said electrodes is operable as an active electrode in one of said bipolar circuits and as a return electrode in another ... 01/26/06 - 20060020265 - Apparatus and method for sealing and cutting tissue An axial elongate bipolar tissue sealer/cutter and method of use by a surgeon for electrosurgery on tissue has a handle. A chassis on the handle extends axially for axial movement. A tube may move axial relative to the chassis. An effector on a distal end of the chassis first contacts ... 12/22/05 - 20050283149 - Electrosurgical cutting instrument An electrosurgical instrument is provided. The electrosurgical instrument includes an active electrode in close proximity to a return electrode. The active electrode has a first thermal diffusivity. The second electrode has a second thermal diffusivity greater than the first thermal diffusivity. The volume, shape, and thermal diffusivity of the second ... 11/24/05 - 20050261677 - Surgical instrument A device for morcellating tissue within a body cavity of a patient comprises a stationary tube having a distal end portion, and a bipolar electrosurgical electrode assembly located at the distal end of the tube. The electrosurgical electrode assembly comprises first and second electrodes separated by an insulation member, the ... 11/24/05 - 20050261676 - Surgical instrument A device for morcellating tissue within a body cavity of a patient comprises a stationary tube having a distal end portion, and a bipolar electrosurgical electrode assembly located at the distal end of the tube. The electrosurgical electrode assembly comprises first and second electrodes separated by an insulation member, the ... 08/25/05 - 20050187547 - High frequency treatment device having a pair of jaws with electrodes A high frequency treatment device is provided for high-frequency medical treatments including blood stanching. The device comprises an insertion member and a pair of jaws each representing a longitudinal direction, taking on an electrode function along an entire longitudinal region of each jaw, and having a gripping surface. In the ... 08/04/05 - 20050171535 - Electrosurgical instrument and method of use Embodiments of the invention provide an electrosurgical jaw structure comprising first and second opposing jaws one or both of which include 3D variable resistance bodies. The jaw structure can be part of the working end of a surgical instrument. In one embodiment, the jaws can comprise first and second energy-delivery ... 08/04/05 - 20050171534 - Surgical resection device A surgical organ resection device comprising a plurality of elongate electrodes for insertion into organ tissue, the electrodes being capable of operating in a bipolar manner, and an input for receiving a drive signal for driving the electrode, the elongate electrodes being arranged in a two-dimensional array and/or the device ... 08/04/05 - 20050171533 - Surgical instrument A bipolar electrosurgical instrument comprises a handle (5), a body (1) joined to the handle, and a jaw assembly (12) joined to the body and arranged such that manipulation of the handle allows the opposed jaws of the jaw assembly to be opened and closed with respect to one another. ... 08/04/05 - 20050171532 - Bipolar electrosurgical snare A bipolar electrosurgical instrument for transecting tissue, and a method for use of the same are provided. The instrument includes an introducer having a channel therein extending from an opening at a distal end thereof, an electrically conductive snare slidably positioned within the channel and slidable between an undeployed position ... 07/07/05 - 20050149015 - Electro-cautery catheter An integrated catheter assembly for enabling diverse endoscopic in situ therapies. The assembly includes a catheter with an irrigation fluid lumen, a distal electrode tip portion that acts as a hemostat, and a cutting wire for making incisions in or ablating tissue. A cutting wire hub provides a sealing entrance ... ### FreshPatents.com Support |