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| Number | Title | Issue Date |
| 6432104 | Electro-cautery catherer 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 ablat... | 08/13/2002 |
| 6428539 | Apparatus and method for minimally invasive surgery using rotational cutting tool An apparatus and method for minimally invasive surgery using a cutting tool with rotational cutting edges. The surgical instrument includes a tube having a distal end and a cutting edge at the distal end. A handle is attached to the proximal end of the tu... | 08/06/2002 |
| 6425895 | Surgical apparatus for positioning a diagnostic or therapeutic element within the body A surgical method and apparatus for positioning a diagnostic or therapeutic element within the body. The apparatus may be catheter-based or a probe including a relatively short shaft.... | 07/30/2002 |
| 6423057 | Method and apparatus for monitoring and controlling tissue temperature and lesion formation in radio-frequency ablation procedures Impedance and capacitance-related parameters are monitored in the electrical circuit of a tissue-ablation apparatus wherein RF electrical power is administered at predetermined frequencies. Tissue temperature has been found to correlate well with low-freq... | 07/23/2002 |
| 6423060 | High-frequency instrument for endoscope A high-frequency instrument for an endoscope including an electrically insulating sheath having a high-frequency electrode provided at the distal end thereof. A operating part is connected to the proximal end of the sheath. The operating part has an elect... | 07/23/2002 |
| 6419674 | Radio frequency dilator sheath A medical device (10) such as a radio frequency dilator sheath for separating an encapsulated elongated structure (11) such as an electrical cardiac lead implanted in biological tissue (12) such as a vessel leading to or from a patient's heart. The radio ... | 07/16/2002 |
| 6416514 | Electrocoagulation apparatus Electrocoagulation apparatus including an array of more than two RF energized needles, and an RF generator for selectively energizing at least two of the needles so that energy passes therebetween. The needles may be arranged in rows, and the rows may be ... | 07/09/2002 |
| 6413256 | Voltage threshold ablation method and apparatus A method and apparatus for treating tissue using an electrosurgical system. The system includes an electrosurgical system having an RF generator, a treatment electrode electrically coupled to the RF generator and positioned in contact with target tissue t... | 07/02/2002 |
| 6406476 | Bipolar, fluid assisted coagulator/ablator probe for arthroscopy A bipolar, fluid assisted coagulator/ablator probe having a coaxial bipolar electrode arrangement in which an elongated outer electrode is positioned concentrically around an elongated inner electrode. An elongated concentric electrical inner insulating l... | 06/18/2002 |
| 6402748 | Electrosurgical device having a dielectrical seal An electrosurgical device is provided having at least one elastomeric seal capable of providing bio-contamination and dielectric protection by inhibiting the ingress of fluids and contaminants through the nose and actuator areas. The elastomeric seal is m... | 06/11/2002 |
| 6398780 | Expandable vein ligator catheter and method of use A catheter includes a plurality of primary leads to deliver energy for ligating a hollow anatomical structure. Each of the primary leads includes an electrode located at the working end of the catheter. Separation is maintained between the primary leads s... | 06/04/2002 |
| 6391024 | RF ablation apparatus and method having electrode/tissue contact assessment scheme and electrocardiogram filtering A method of assessing the adequacy of contact between an ablation electrode and biological tissue within a biological organ having biological fluid therein includes the steps of positioning the ablation electrode proximal the biological tissue; positionin... | 05/21/2002 |
| 6387095 | Surgical device comprising a radially expandable non-conductive sheath A medical instrument apparatus for forming and enlarging percutaneous penetrations comprising an elongate dilation tube (expandable sheath), silicone insert and 12' polyvinyl coated copper wire. The expandable sheath is radially expandable from a small di... | 05/14/2002 |
| 6383183 | High frequency treatment apparatus A high frequency treatment apparatus of the present invention comprises a high frequency generation section for supplying high frequency power, a control section, which is connected to the high frequency generation section, and which controls output of th... | 05/07/2002 |
| 6379350 | Surgical instrument for ablation and aspiration An electrosurgical aspiration instrument that permits aspiration of an area being treated by the instrument. The instrument is coupled at a proximal end to a power source and includes an energy application surface area at a distal end. The power source su... | 04/30/2002 |
| 6379348 | Combined electrosurgical-cryosurgical instrument The present invention is directed towards a combined electrosurgical-cryosurgical instrument for tissue ablation. The instrument comprises a shaft having a proximal end and a distal end, the distal end being electrically and thermally conductive; a radiof... | 04/30/2002 |
| 6379353 | Apparatus and method for treating tissue with multiple electrodes A probe system for volumetric tissue heating and ablation comprises a cannula having a multiple electrode component reciprocatably mounted therein. Individual electrodes within the array have spring memory so that they assume a radially outward, arcuate c... | 04/30/2002 |
| 6371956 | Monopolar electrosurgical end effectors A novel, monopolar, electrosurgical instrument is provided with one active and one non-active end effector. Current is passed through a conductive portion of one effector into tissue of a patient. The active blade may be partially or totally conductive. T... | 04/16/2002 |
| 6364879 | Electrosurgical cutting instrument Open surgery and endoscopic versions of an electrosurgical cutting instrument incorporating a unique cutting arrangement for opening and closing the cutting edge parallel to an anvil surface resulting in a simultaneous cutting of a linear section of tissu... | 04/02/2002 |
| 6361532 | Electrosurgical pencil An electrosurgical pencil for delivering high frequency cutting and coagulation signals from an electrosurgical generator is disclosed. A flexible, elongated, substantially solid pencil housing is provided having a cable receiving end and a blade electrod... | 03/26/2002 |
| 6361533 | Surgical tubular-shafted instrument In order to make an improved securing of the plastic sheath on the holder possible in a surgical tubular-shafted instrument with a shaft, at the distal end of which at least one tool is arranged on a holder which, for its part, is secured in position on t... | 03/26/2002 |
| 6358249 | Scissorlike electrosurgical cutting instrument Open surgery and endoscopic versions of an electrosurgical cutting instrument incorporating a unique cutting arrangement for opening and closing the cutting edge parallel to an anvil surface resulting in a simultaneous cutting of a linear section of tissu... | 03/19/2002 |
| 6358246 | Method and system for heating solid tissue Methods for heating tissue by delivering radio frequency energy through tissue electrodes comprise controlling energy delivery so that an abrupt increase in impedance between the electrodes and the tissue is observed, typically in the form of an abrupt de... | 03/19/2002 |
| 6358248 | Ball point fluid-assisted electrocautery device An electrocautery device is disclosed. In accordance with one aspect of the invention, the electrocautery electrode/tip is provided with a hollow, conductive tube terminating at its distal end in a ball point type tip. Fluid, preferably conductive fluid, ... | 03/19/2002 |
| 6352536 | Bipolar electrosurgical instrument for sealing vessels A bipolar electrosurgical instrument has opposable seal surfaces on its jaws for grasping and sealing vessels and vascular tissue. Inner and outer instrument members allow arcuate motion of the seal surfaces. An open lockbox provides a pivot with lateral ... | 03/05/2002 |
| 6352533 | Electrosurgical handpiece for treating tissue A bipolar electrosurgical handpiece, and electrode for use with the handpiece, that is configured for use in MIS and other electrosurgical procedures. The handpiece is constructed with a flexible end controllable by the surgeon so as to allow the surgeon ... | 03/05/2002 |
| 6348051 | Preparation instruments In a dissecting instrument for surgical operations a working instrument such as a blade with cutting edge is fastened to a holding device such as a handle. Coagulation devices are provided, with a gas-supply apparatus to supply an ionizable (noble) gas an... | 02/19/2002 |
| 6346107 | Power-assisted liposuction instrument with cauterizing cannual assembly A method and apparatus is disclosed for mechanically-assisted liposuction treatment. The apparatus includes a hand-holdable housing, an electro-cauterizing cannula assembly, and a reciprocation mechanism. The hand-holdable housing has a cavity adaptable f... | 02/12/2002 |
| 6346108 | Probe for coagulation of biological tissue A probe for use in the coagulation of biological tissue by plasma discharge comprises a protective device with a mask made of an insulating material. The mask is so constructed and attachable to the probe that parts of the biological tissue that are vulne... | 02/12/2002 |
| 6332881 | Surgical ablation tool This is a tool used during open heart or open chest surgery for creating lesions or lines of ablation in tissue to treat atrial fibrillation. It is a relatively short device having a rigid or semi-rigid shaft connected on one end to a handle and on the ot... | 12/25/2001 |
| 6330478 | Cell necrosis apparatus A cell necrosis apparatus includes an introducer with a distal end sufficiently sharp to penetrate tissue. An energy delivery device has a first set of RF electrodes and a second set of RF electrodes. Each RF electrode of the first and second sets has a t... | 12/11/2001 |
| 6328736 | Fluid-assisted electrocautery device An electrocautery instrument is provided with a hollow electrode having a source of conductive fluid coupled to a proximal end thereof. Conductive fluid is communicated through said electrode and expelled out of the distal end thereof during electrocauter... | 12/11/2001 |
| 6319250 | Tricuspid annular grasp catheter A method of treating cardiac arrhythmia, including guiding a distal end portion of a catheter, the distal end portion having a distal tip and accommodating an elongated configuration of ablation electrodes, from the inferior vena cava into the right atriu... | 11/20/2001 |
| 6315777 | Method and apparatus for creating a virtual electrode used for the ablation of tissue A method and apparatus for creating a virtual electrode to ablate bodily tissue. The surgical apparatus includes an inner tube and an outer tube. The inner tube defines a proximal portion and a distal portion. The distal portion forms an orifice for distr... | 11/13/2001 |
| 6296637 | Electrosurgical electrode and methods for its use An electrosurgical electrode having a distal end for transferring the energy to the tissue and a thermal reservoir spaced apart from the distal end. The materials and shape of the electrode promote the flow of heat away from the distal tip so as to reduce... | 10/02/2001 |
| 6293944 | Combined syringe and electrosurgical electrode for sclerotherapy A hypodermic needle syringe with means connected to the needle for selectively applying to the needle radio-frequency (RF) electrosurgical currents. For treating varicose veins, the hypodermic needle is inserted into the vein to be treated and the syringe... | 09/25/2001 |
| 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 |
| 6287305 | Electrosurgical instrument An improved electrosurgical instrument and method is disclosed for reducing smoke generation at a surgical site. The electrosurgical instrument comprises a metal body having an outer insulating layer to reduce thermal/electrical discharge from non-functio... | 09/11/2001 |
| 6287344 | Method for repairing tissue defects using an ultrasonic device A method of repairing a defect in tissue includes the steps of placing a prosthetic over a tissue defect and against surrounding tissue. The prosthetic is then embedded into the surrounding tissue by an application of pressure and ultrasonic energy to the... | 09/11/2001 |
| 6283962 | Device for valvular annulus treatment and methods thereof A medical ablation device system for treating endometrosis, gingivae, valvular annulus, or reducing the mass of cellular tissues, wherein an elongate tubular element comprises an electrode disposed at its distal section that is extendible from an opening ... | 09/04/2001 |
