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| Number | Title | Issue Date |
| 6312426 | Method and system for performing plate type radiofrequency ablation A method and apparatus for inducing large volume heat ablations of tissue in a patient involving electrodes that are in contact with the patient's external surface or the surface of an internal organ. A high frequency signal or output from a generator is ... | 11/06/2001 |
| 6312430 | Bipolar electrosurgical end effectors A novel, bipolar, electrosurgical instrument is provided with two end effectors. Current is passed through the second end effector and through an insulated conduit to the distal tip of the first end effector. The first and second end effectors allow the c... | 11/06/2001 |
| 6312429 | Electrosurgical lesion location device A device for localizing a target tissue mass in a body includes a tubular trocar portion having a distal end and a proximal end portion that is removably attachable to a handle portion. The trocar portion contains at least a first plurality of locator wir... | 11/06/2001 |
| 6309386 | Linear power control with PSK regulation It is an object of the present invention to provide a multi-channel radio frequency (RF) power delivery and control system for applying energy to multiple electrodes of an RF tissue heating device. In a first embodiment of the invention an apparatus for contro... | 10/30/2001 |
| 6298550 | Process for manufacturing electro-surgical forceps which minimizes or prevents sticking of tissue An electro-surgical forceps are provided which minimize sticking to tissue of a patient. The forceps include a pair of electrically conducting blade members extending from an insulated cap portion. The blade members include an inner layer of copper or cop... | 10/09/2001 |
| 6296640 | RF bipolar end effector for use in electrosurgical instruments The present invention is directed to a bipolar electrosurgical end effector for use in medical instruments. A bipolar end effector according to the present invention includes a tissue slot and electrodes arranged on either side of the tissue slot. The opp... | 10/02/2001 |
| 6293945 | Electrosurgical instrument with suction capability A surgical instrument for performing three functions at the tip of a tube. The first function is for suction or irrigation of an area where surgery is being performed. The tubing can have a vacuum attached for sucking solid particles, liquids, gases or sm... | 09/25/2001 |
| 6293946 | Non-stick electrosurgical forceps Electrosurgical forceps including two electrodes, each having a tip that is composed of a material that has the characteristics of electrical conductivity, high thermal diffusivity, and biocompatibility. Such characteristics allow the forceps to be used i... | 09/25/2001 |
| 6283963 | Bipolar electrosurgical scissors for fine or delicate surgical dissection A bipolar electrosurgical scissors having a first cutting blade which has a first cutting portion, the first cutting portion having a corresponding first cutting edge; a second cutting blade which has a second cutting portion, the second cutting portion h... | 09/04/2001 |
| 6277114 | Electrode assembly for an electrosurical instrument An electrode assembly for electrosurgical removal of tissue immersed in an electrically conductive liquid has an elongate support structure including at least a pair of wire conductors for carrying radio frequency current, and a bipolar electrode assembly... | 08/21/2001 |
| 6277117 | Open vessel sealing forceps with disposable electrodes A removable electrode assembly for use in combination with a forceps having opposing end effectors and a handle for effecting movement of the end effectors relative to one another. The electrode assembly includes a housing which is removably engageable wi... | 08/21/2001 |
| 6277115 | Apparatus and method for treating body tissues An apparatus, system, and method for treating body tissue includes an electrode assembly having a first electrode and a second electrode, with at least the first electrode formed of porous conductive material, such as porous metal. Conductive fluid is del... | 08/21/2001 |
| 6273887 | High-frequency treatment tool A high-frequency treatment tool includes an insertion portion which can be inserted into a body, a pair of gripping portions arranged at a distal end portion of the insertion portion and having gripping surfaces for gripping vital tissue, a driving mechan... | 08/14/2001 |
| 6264652 | Electrosurgical systems for treating tissue Systems and methods are provided for selectively applying electrical energy to a target location on an external body surface, such as skin tissue removal and/or collagen shrinkage in the epidermis or dermis, e.g., the removal of pigmentations, vascular le... | 07/24/2001 |
| 6245066 | Ablation catheter With reference to the figure, an ablation catheter (1) for use in heart surgery comprises a probe (2), a tubular electrode (3) mounted on the probe, so as to axially be slidable relative thereto, and remote-operated actuator means (4) for so sliding the e... | 06/12/2001 |
| 6246913 | Method and apparatus for the treatment of strabismus A surgical heating probe, comprising a handle, a radio-frequency-shielded neck extending from the handle and having an unshielded cathode and an unshielded anode present in the neck with a shielded insulating section of the neck located between the cathod... | 06/12/2001 |
| 6238393 | Method and apparatus for creating a bi-polar virtual electrode used for the ablation of tissue A method and apparatus for creating a virtual electrode to ablate bodily tissue. The apparatus includes an outer tube, a first electrode, an inner tube and a second electrode. The outer tube is fluidly connected to a source of conductive fluid and defines... | 05/29/2001 |
| 6231572 | Electrosurgical catheter apparatus and method A catheter adapted to increase the patency of a body conduit includes an elongate tube having an axis extending between a proximal end and a distal end, and a balloon disposed at the distal end of the tube and having properties for being expanded to a hig... | 05/15/2001 |
| 6231571 | Electrosurgical handpiece for treating tissue An electrosurgical handpiece that is bipolar or unipolar in operation and that is configured for use in MIS. The bipolar operation confines the electrosurgical currents to a small active region between the active ends of the bipolar electrode and thus red... | 05/15/2001 |
| 6228083 | Laparoscopic bipolar electrosurgical instrument A laparoscopic bipolar electrosurgical instrument can apply a large closure force between its jaws without damaging the small yoke assembly. The instrument comprises: a first jaw having a first flange with a first slot, and a second jaw having a second fl... | 05/08/2001 |
| 6221039 | Multi-function surgical instrument A multi-function surgical instrument is disclosed. In accordance with an embodiment of the present invention, the surgical instrument includes a catheter, a bipolar hemostat assembly, an attachment member, and a surgical tool. The bipolar hemostat assembl... | 04/24/2001 |
| 6210409 | Electrosurgical handpiece for treating tissue An electrosurgical handpiece that is bipolar in operation and that is configured for use in minimally invasive surgery (MIS). The bipolar operation confines the electrosurgical currents to a small active region between the active ends of the bipolar elect... | 04/03/2001 |
| 6206876 | Electrosurgery with cooled electrodes A cooled electrosurgical system includes an electrosurgical device having at least one electrode for applying electrical energy to tissue. In one embodiment, the electrode includes an internal cavity in which a cooling medium such as water is contained. T... | 03/27/2001 |
| 6206877 | Combined bipolar scissor and grasper and method of forming thereof A method of forming a combination bipolar scissors and graspers surgical instrument. The method has the steps of: providing a predetermined blade configuration of a bipolar scissors surgical instrument, the predetermined blade configuration having first a... | 03/27/2001 |
| 6206875 | Method of capactively coupling energy to an electrosurgical instrument In the present invention, a surgical trocar is adapted to capacitively couple electrosurgical energy to specially adapted cordless electrosurgical instruments. In one embodiment of the present invention, an electrosurgical trocar includes a cannula, a cap... | 03/27/2001 |
| 6203542 | Method for electrosurgical treatment of submucosal tissue 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 includes a ch... | 03/20/2001 |
| 6193713 | Method for the operation of a high frequency ablation apparatus and apparatus for the high frequency tissue ablation A method is described for the operation of a radiofrequency ablation instrument comprising a radiofrequency energy source having a plurality of regulatable outputs, with a plurality of electrodes being connectable to its outputs. A respective power value ... | 02/27/2001 |
| 6193716 | Electrosurgical device for uvulopalatoplasty An electrosurgical device for performing uvulopalatoplasty is provided. The device of the present invention includes two configurations. The first configuration includes a handle having an actuator mechanism which actuates a barrel fixedly mounted to a ha... | 02/27/2001 |
| 6193715 | Device for converting a mechanical cutting device to an electrosurgical cutting device An adapter unit for a mechanical tissue cutting implement such as a shaver, morcellator or the like includes a mounting block from which an electrically insulating sheath extends. The sheath fits over the cannula or shaft of the cutting implement, and is ... | 02/27/2001 |
| 6190383 | Rotatable electrode device An apparatus for thermal treatment of a tissue mass having an elongated housing having a proximal and a distal end and defining a longitudinal axis, and further including at least two electrodes supported at its distal end and mounted for rotation to faci... | 02/20/2001 |
| 6187002 | Capacitive electrosurgical trocar including adapater In the present invention, a surgical trocar is adapted to capacitively couple electrosurgical energy to specially adapted cordless electrosurgical instruments. In one embodiment of the present invention, an electrosurgical trocar includes a cannula, a cap... | 02/13/2001 |
| 6183469 | Electrosurgical systems and methods for the removal of pacemaker leads The present invention is directed to systems, methods and apparatus for removing implanted objects from a patient's body, particularly implanted endocardial or epicardial pacemaker leads and transvenous defibrillation leads from a patient's heart. In one ... | 02/06/2001 |
| 6179837 | Bipolar electrosurgical scissors Bipolar electrosurgical scissors are disclosed having a pair of blades joined for relative movement in a scissor-like action between open and closed positions. At least one of the blades comprises a tissue contacting surface and first and second spaced ap... | 01/30/2001 |
| 6176858 | Electrosurgical loop and instrument for laparoscopic surgery An electrosurgical cutting apparatus for performing laparoscopic section of an organ makes use of an electrical current transporter. The transporter includes a conducting wire, electrical insulation portions around the conducting wire at the first end and... | 01/23/2001 |
| 6174308 | Electrosurgical instrument An electrosurgical instrument, which is used to treat tissue in the presence of an electrically-conductive fluid, comprises an instrument shaft and an electrode assembly at one end of the shaft. The electrode assembly comprises a tissue treatment electrod... | 01/16/2001 |
| 6165175 | RF bipolar mesentery takedown device including improved bipolar end effector The present invention is directed to a bipolar electrosurgical instrument suitable for use in mesentery tissue and other suitable tissue structures, including vessels. A bipolar electrosurgical instrument according to the present invention includes an end... | 12/26/2000 |
| 6162220 | Bipolar surgical instruments having focused electrical fields A bipolar surgical device includes a pair of actuable jaws. A first electrode member which optionally includes a line of electrically coupled tissue-penetrating elements is formed on one of the jaws, and a second electrode member which optionally includes... | 12/19/2000 |
| 6156036 | Surgical handpiece tip A surgical handpiece tip with at least two coaxially spaced electrically conductive tubes. The tubes are separated by an electrical insulator. The interior of the inner tube is used for aspiration of liquefied tissue. The distal portion of the interior tu... | 12/05/2000 |
| 6152923 | Multi-contact forceps and method of sealing, coagulating, cauterizing and/or cutting vessels and tissue A bipolar forceps for sealing, cauterizing, coagulating and/or cutting vessels and vascular tissue at multiple sites includes a pair of multi-pronged jaw members pivotally attached in opposing relation relative to one another and selectively movable from ... | 11/28/2000 |
| 6135999 | Concave probe for arthroscopic surgery Disclosed herein is a new arthroscopic probe with a concave distal tip which simultaneously constrains and cuts tissue. It is particularly adapted to cutting ligaments and tendons. Also disclosed is a thermal energy delivery apparatus which includes (a) a... | 10/24/2000 |
