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7621910 |
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...
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7611511 |
Bipolar medical instrument and electrosurgical system comprising such an instrument
A bipolar medical instrument for cutting tissue under the action of high-frequency current comprises an elongate electrode carrier, an active electrode arranged at the distal end of the electrode...
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7604634 |
Transmural ablation device
A method and apparatus for transmural ablation using an instrument containing two electrodes or cryogenic probes. A clamping force is exerted on the two electrodes or probes such that the tissue of...
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7544195 |
Electrocautery surgical scissors
Surgical apparatus includes bipolar electrodes and tissue-shearing blades configured to electrically contact tissue for electrocauterization thereof prior to shearing contact of the cutting blades...
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7520877 |
Radiofrequency ablation system using multiple prong probes
Efficient ablation with multiple prong electrodes is obtained by electrically isolating the prongs from each other and rapidly switching electric power between the prongs, between a prong and a...
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7519410 |
La placian electrode
A medical probe for mapping is provided. The medical probe includes an elongated member, a first mapping ring electrode mounted to the elongated member, and a second mapping ring electrode mounted...
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7491199 |
Electrosurgical generator and system
An electrosurgical system includes a generator for generating radio frequency power, and an electrosurgical instrument including at least three electrodes and. The generator includes a radio...
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7481809 |
Handpiece with RF electrode and non-volatile memory
An RF device includes a support structure coupled to an RF electrode that has conductive and dielectric portions. A cooling member is coupled to the support structure and is configured to cool a...
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7449022 |
Shapeable electrosurgical scalpel
The invention is directed to an electrosurgical device having a shapeable elongate cutting electrode having a free distal end with an exposed length of at least 0.5 inch and secured by its proximal...
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7445621 |
Bipolar forceps having monopolar extension
An endoscopic forceps for treating tissue includes a housing having a shaft affixed thereto which has first and second jaw members attached to a distal end thereof. The forceps also includes an...
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7445618 |
Methods for tissue ablation using pulsed energy
An electrosurgical probe comprises a shaft having an electrode array ( 12 ) at its distal end and a connector at its proximal end. The array ( 12 ) includes a plurality of isolated electrode...
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7442191 |
Systems and methods for electrosurgical treatment of turbinates
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...
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7429262 |
Apparatus and methods for electrosurgical ablation and resection of target tissue
An electrosurgical system and method for ablating, resecting, or cutting body structures, with minimal or no damage to tissue adjacent to the treatment site. The system includes an electrosurgical...
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7422585 |
System for electrosurgical myocardial revascularization
A method for transmyocardial revascularization of the heart of a patient includes positioning an active electrode surface in close proximity to a target site on the wall of a patient's heart, and...
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7419488 |
Electrosurgical probe with movable return electrode and methods related thereto
The present invention provides systems, apparatus, and methods for dissecting, resecting, severing, cutting, contracting, coagulating, or otherwise modifying a tissue or organ of a patient. An...
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7387631 |
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...
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7377920 |
Laparoscopic bipolar electrosurgical instrument
A laparoscopic bipolar electrosurgical instrument for sealing tissue includes a handle having an elongated tube affixed thereto. The tube includes first and second jaw members having electrically...
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7367976 |
Bipolar forceps having monopolar extension
An endoscopic forceps for treating tissue includes a housing having a shaft affixed thereto which has first and second jaw members attached to a distal end thereof. The forceps also includes an...
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7341586 |
Thermal coagulation of tissue during tissue resection
A coagulation system is provided for use in biological tissue. The coagulation system includes a handle, a radiofrequency (RF) generator, and an electrode array. The electrode array includes two or...
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7331957 |
Electrosurgical apparatus and methods for laparoscopy
Electrosurgical methods and apparatus for treating tissue at a target site of a patient. An electrosurgical instrument includes a shaft, having a shaft distal end and a shaft proximal end, and an...
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7306592 |
System and method for regulating an amount of thermal energy generated by an electrosurgical tool
An bipolar electrosurgical tool ( 10 ) for cauterizing or ablating tissue. The tool has a nose cone ( 12 ) which serves as a handle. A conductive shaft ( 14 ) extends from the nose cone. A tip...
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7303561 |
High-frequency tool for endoscope
A high-frequency treatment tool for an endoscope is provided with a transparent hood to be detachably coupled to a distal end of an endoscope provided with at least one electrode, at least one...
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7300437 |
Electronic scalpel to cut organic tissues
The electrode of a manipulator cuts tissue. The scalpel has rectifying circuit for supplying a rectified voltage to a radio frequency circuit which produces an output current signal at a...
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7300436 |
Tissue resurfacing
A method for skin treatment comprises the steps of delivering at least one pulse of radio frequency power to at least one electrode in order to create an electric field; passing gas through the...
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7297145 |
Bipolar electrosurgical clamp for removing and modifying tissue
The present invention provides systems, apparatus and methods for selectively applying electrical energy to body tissue in order to ablate, contract, coagulate, or otherwise modify a target tissue...
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7291146 |
Selectable eccentric remodeling and/or ablation of atherosclerotic material
A catheter and catheter system for eccentric remodeling and/or removal of atherosclerotic material of a blood vessel of a patient include an elongate flexible catheter body with a radially...
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7278994 |
Electrosurgical instrument
A system and method are disclosed for removing a uterus using a fluid enclosure inserted in the peritoneal cavity of a patient so as to enclose the uterus. The fluid enclosure includes a distal...
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7273480 |
Composite material braided insulator
A tissue penetrating probe includes a distal tissue piercing end; a first electrode; a second electrode; and a dielectric element. A proximal end of the dielectric element is bonded to a distal end...
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7270661 |
Electrosurgical apparatus and methods for treatment and removal of tissue
Apparatus and methods for ablating, severing, cutting, shrinking, coagulating, or otherwise modifying a target tissue to be treated. In a method for treating a target tissue, an active electrode of...
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7261711 |
Electrosurgical instrument
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...
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7235073 |
Cooled electrosurgical forceps
Bipolar electrosurgical forceps includes a first electrode attached to a first heat pipe and a second electrode attached to a second heat pipe. The heat pipe can be removably attached to the...
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7235071 |
Gas-assisted electrosurgical accessory connector and method with improved gas sealing and biasing for maintaining a gas tight seal
Male and female mating pieces of a gas-assisted electrosurgical accessory connector are connectable together by radially contacting a sealing surface formed on one mating piece with a resilient...
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7232439 |
Bipolar tissue morcellator
An endoscopic morcellator device and method for use is provided. The morcellator device includes an elongate shaft having a proximal end and a distal end and a lumen extending therethrough, a...
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7220260 |
Electrosurgical system
An electrosurgical system comprises a generator and an instrument including a first electrode, a second electrode, and an insulating spacer separating the first and second electrodes. The generator...
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7211084 |
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...
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7207990 |
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...
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7207989 |
Method for ablating with needle electrode
A method for ablating tissue in or around the heart to create an enhanced lesion is provided. The distal end of a catheter including a needle electrode at its distal end is introduced into the...
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7207471 |
Electrosurgical stapling apparatus
An electrosurgical stapling apparatus is provided which uses thermogenic energy as well as surgical fasteners or staples for strengthening tissue, providing hemostasis, tissue joining or welding....
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7204835 |
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...
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7195630 |
Converting cutting and coagulating electrosurgical device and method
A bipolar electrosurgical instrument and method for use is provided. The instrument includes a handle at a proximal end, active and return electrodes at a distal end that are electrically insulated...
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7186252 |
Endoscopic mucosal resection device and method of use
A medical apparatus and method useful for resecting tissue from the gastrointestinal tract are disclosed. The apparatus can include an RF tissue cutting device disposed inward of a side opening in...
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7177680 |
Field stimulation about a discontinuity of the myocardium to capture the heart at reduced pacing thresholds
Improved pacing thresholds for capturing the heart are achieved by forming a discontinuity in the cardiac tissue of the heart chamber, disposing a pacing electrode at a distance less than a space...
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7175621 |
Electrosurgical mode conversion system
A surgical system that applies electrical energy to obtain predetermined surgical effects while improving the control of the application of the energy that is supplied by electrosurgical...
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7169143 |
Methods for electrosurgical tissue treatment in electrically conductive fluid
An electrosurgical probe comprises a shaft having at least one electrode terminal at its distal end and a connector at its proximal end. The electrode terminal may be spaced from a return electrode...
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7156845 |
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...
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7156844 |
Electrosurgical pencil with improved controls
An electrosurgical pencil is provided which includes an elongated housing, an electrocautery blade supported within the housing and extending distally from the housing. The electrocautery blade is...
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7150748 |
Bipolar coagulating instrument
A bipolar coagulating instrument includes a blade-like electrode assembly comprising an upper planar face and a lower planar face separated by an intermediate portion of insulating material...
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7147635 |
Bipolar electrosurgical snare
A bipolar electrosurgical instrument including an introducer having a channel therein and an electrically conductive snare slidably positioned within the channel and slidable between an undeployed...
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7147633 |
Method and apparatus for treatment of atrial fibrillation
Methods and apparatus of embodiments of the invention are adapted to treat tissue inside a patient's body. Aspects of the invention can be used in a wide variety of applications, but certain...
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7144395 |
Bipolar tubular shaft instrument
A bipolar tubular shaft instrument ( 1 ) has instrument legs ( 3 ) and ( 4 ), for the operation of which a pull- and/or push rod ( 6 ) is axially displaceable within a tube ( 7 ). These two parts...
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