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| Number | Title | Issue Date |
| 6663628 | Surgical micro-resecting instrument with electrocautery feature A surgical micro-resecting instrument including an outer tubular member, an inner tubular member, a hub assembly, wiring, and an electrical insulator. The outer tubular member is formed of an electrically conductive material and defines a proximal section... | 12/16/2003 |
| 6652517 | Ablation catheter, system, and method of use thereof A cardiac ablation apparatus for producing a circumferential ablation that electrically isolates a heart chamber wall portion from vessel such as a pulmonary vein extending into a wall portion comprises (a) an elongate centering catheter having a distal e... | 11/25/2003 |
| 6652515 | Tissue ablation device assembly and method for electrically isolating a pulmonary vein ostium from an atrial wall This invention is related to a tissue ablation system and method that treats atrial arrhythmia by ablating a circumferential region of tissue at a location where a pulmonary vein extends from an atrium. The system includes a circumferential ablation membe... | 11/25/2003 |
| 6652522 | Power-assisted tissue aspiration instrument with cauterizing cannula 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... | 11/25/2003 |
| 6645199 | Loop structures for supporting diagnostic and therapeutic elements contact with body tissue and expandable push devices for use with same An apparatus that facilitates the creation of circumferential lesions in body tissue. The apparatus includes a first probe having a loop structure that supports electrodes or other operative elements against the body tissue and a second probe with an expa... | 11/11/2003 |
| 6645203 | Surgical instrument with off-axis electrode A surgical instrument comprising a handle and an elongated probe connected to the handle. The elongated probe has a terminus distal to the handle. At least one electrode that includes an electrode surface is positioned on the terminus so that a line from ... | 11/11/2003 |
| 6638278 | Intracardiac 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 at least one elongated ablation electrode into a desired intracardiac region, for example, from the... | 10/28/2003 |
| 6638274 | High-frequency coagulation apparatus A high-frequency coagulation apparatus according to the present invention comprises a controller for controlling supply of the fluid from a fluid supply section to a tubular body and controlling supply of the high-frequency electric current from a high-fr... | 10/28/2003 |
| 6635057 | Electric operation apparatus An electric operation apparatus including: a high frequency current generating circuit for feeding a high frequency current to electrodes; a direct power supply circuit for supplying variable electric power to the high frequency current generating circuit... | 10/21/2003 |
| 6623481 | Electrosurgical probe for tumor treatment by radiofrequency An electrosurgical probe including a metal cannula, partially provided with an electroinsulating coating, and filiform electrodes housed in the cannula in a stretched position. The filiform electrodes are provided with an elastic memory of an arched shape... | 09/23/2003 |
| 6620161 | Electrosurgical instrument with an operational sequencing element A surgical instrument useful in harvesting blood vessels such as veins and arteries. The instrument has a pair of jaws and a central cutting element displaceable distally and proximally to dissect tissue contained between the jaws. A sequencing element pr... | 09/16/2003 |
| 6620157 | High frequency power source A high frequency electrosurgical power generator configured to produce electrical power at a frequency of about 1 to about 14 MHz and preferably having an essentially sinusoidal waveform with a voltage level up to 1,000 Vrms, and a current level up to 5 A... | 09/16/2003 |
| 6620155 | System and methods for electrosurgical tissue contraction within the spine The present invention provides systems and methods for selectively applying electrical energy to a target location within a patient's body, particularly including tissue in the spine. The present invention applies high frequency (RF) electrical energy to ... | 09/16/2003 |
| 6616655 | Method and apparatus for performing cardiac ablations A novel device and method for performing cardiac ablations includes a therapeutic instrument, for example, an ablation catheter, to which is mounted a flexible, braided electrode. The electrode configuration is selected so that it has a desired surface ar... | 09/09/2003 |
| 6616660 | Multi-port side-fire coagulator An electrosurgical apparatus for coagulating tissue used in combination with an endoscope which includes an elongated flexible tube having a plurality of side-ports located therethrough. The tube extends through a working channel of the endoscope and an i... | 09/09/2003 |
| 6616658 | Electrosurgical pencil An electrosurgical pencil comprises a main body portion forming a handle. A wire retaining passage is defined by the main body portion and has a wire-receiving opening and an electrode-receiving opening. A metal electrode tip is mounted at the electrode-r... | 09/09/2003 |
| 6613048 | Tissue sealing electrosurgery device and methods of sealing tissue An electrosurgery medical device is enhanced with unique solution-assistance, and includes, in combination, co-operating device jaws including jaw portions for manipulating tissue, and a plurality of solution infusion openings defined and spaced along eac... | 09/02/2003 |
| 6613046 | Loop structures for supporting diagnostic and therapeutic elements in contact with body tissue A probe that facilitates the creation of circumferential lesions in body tissue. The probe includes a elongate body and a loop structure that supports electrodes or other operative elements against the body tissue.... | 09/02/2003 |
| 6610055 | Surgical method for positioning a diagnostic or therapeutic element on the epicardium or other organ surface Surgical methods for positioning diagnostic an therapeutic elements on the epicardium or other organ surface.... | 08/26/2003 |
| 6611699 | Catheter with an irrigated composite tip electrode Various catheter designs with irrigated tip electrodes are provided for reducing the heating of the tip resulting from RF biasing. The electrode tip of the catheter may be comprised of a highly thermal conductivity layer covered by a biologically compatib... | 08/26/2003 |
| 6610060 | Tissue sealing electrosurgery device and methods of sealing tissue An electrosurgery medical device is enhanced with unique solution-assistance, and comprises, in combination, co-operating device jaws including jaw portions for manipulating tissue, and a plurality of solution infusion openings defined and spaced along ea... | 08/26/2003 |
| 6610057 | Electrosurgical blade electrode An improved electrosurgical electrode for removing cancerous tissue and lesions. The electrosurgical electrode comprises a flat round blade having a flat end configured to be held in a scalpel handpiece of the type described in U.S. Pat. No. 4,754,754. Th... | 08/26/2003 |
| 6607529 | Electrosurgical device An electrosurgical device comprising an elongate probe member having proximal and distal extremities and a passage extending from the proximal extremity to an opening at the distal extremity. The elongate probe member is provided with an elongate cutout a... | 08/19/2003 |
| 6602250 | Echogenic wire knife A medical device for heat treatment of patient tissue includes an electrically conductive wire guide. The wire guide has a distal end and a proximal portion. A connector is disposed on the proximal portion of the wire guide for providing electrical power ... | 08/05/2003 |
| 6602252 | Combined dissecting, cauterizing, and stapling device A medical device for simultaneously cutting tissue with a heating element, cauterizing the tissue with heating elements, and stapling the tissue together.... | 08/05/2003 |
| 6602218 | Apparatus for ablation of the endometrium of the uterus A multifunctional device for use in an endoscopically performed operative procedure of the type where a narrow portal is established through the skin to provide access to an operative site and the multifunctional device is introduced to the operative site... | 08/05/2003 |
| 6592582 | Vessel harvesting retractor with electrosurgical plunger An endoscopic device including a shaft having a lumen for insertion of an endoscope therethrough, a transparent headpiece defining a workspace and disposed at a distal end of the shaft, a handle disposed at a proximal end of the shaft, a plunger disposed ... | 07/15/2003 |
| 6585732 | Fluid-assisted electrosurgical 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, ... | 07/01/2003 |
| 6579289 | Probe electrode A probe for the electrosurgical treatment of tissues, in particular by way of an endoscope, comprises a pipe-shaped or tubular supply device to guide a noble gas from a noble-gas source to a distal end of the supply device, and an electrode. The electrode... | 06/17/2003 |
| 6575967 | Method and systems for volumetric tissue ablation A volumetric tissue ablation apparatus includes a probe having a plurality of wires journaled through a catheter with a proximal end connected to the active terminal of a generator and a distal end projecting from a distal end of the catheter. The probe w... | 06/10/2003 |
| 6572611 | Intracardiac 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 into a desired intracardiac region, for example, ... | 06/03/2003 |
| 6569163 | Wireless electrosurgical adapter unit and methods thereof A wireless adapter unit that couples to an electrosurgery instrument comprising at least one surface electrical contact for contactably coupling the electrosurgical instrument to a remote power source through a coupling mechanism, wherein the coupling mec... | 05/27/2003 |
| 6569161 | Retractable radiofrequency needle point electrode and methods for using same A surgical radiofrequency needle point electrode for delivering both coagulating and cutting currents, comprising, at least one housing member; at least one needle point electrode having a surgically active region that is adapted to deliver both coagulati... | 05/27/2003 |
| 6569160 | System and method for detecting electrode-tissue contact A system for detecting electrode-tissue contact comprises a catheter having a location sensor and a distal tip electrode. The catheter preferably further comprises a reference electrode that is preferably protected from making contact with tissue. The sys... | 05/27/2003 |
| 6565561 | Electrosurgical instrument An electrosurgical instrument is provided for the treatment of tissue in the presence of an electrically-conductive fluid medium. The instrument comprises an instrument shaft (10), and a tissue treatment electrode (12) at the distal end of the shaft for e... | 05/20/2003 |
| 6562032 | Electrosurgical instrument with vibration A combination electrosurgical instrument and vibratory device provides simultaneous transmission of radiofrequency energy and vibratory ultrasonic energy via a simple efficient handpiece attachment enabling a surgeon to modulate all types of tissues with ... | 05/13/2003 |
| 6558383 | Inert gas inhanced electrosurgical apparatus An inert gas enhanced electrosurgical apparatus is disclosed including a housing having at least one ridge formed therein. An electrode assembly has at least a portion thereof disposed within the housing. A support member has at least a portion thereof di... | 05/06/2003 |
| 6551313 | Electrosurgical instrument with separate cutting and coagulating members An electrosurgical instrument having a working end that utilizes a coagulation surface and a cutting surface that can be moved relative to each other and wherein only one of the two surfaces is electrically enabled depending on their relative positions. T... | 04/22/2003 |
| 6547788 | Medical device with sensor cooperating with expandable member A tissue ablation catheter for forming a lesion along a substantially circumferential region of tissue is described. The catheter includes one or more sensors for monitoring the temperature of the tissue being ablated. The temperature sensors are mounted ... | 04/15/2003 |
| 6544264 | 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... | 04/08/2003 |
