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7611509 |
Electrosurgical device
An electrosurgical electrode capable of vaporization, coagulation, desiccation or cutting of tissue is disclosed. The probe has a first portion configured for tissue vaporization, and a second...
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7544200 |
Combination tissue pad for use with an ultrasonic surgical instrument
An ultrasonic clamp coagulator assembly that is configured to permit selective cutting, coagulation and clamping of tissue during surgical procedures. An elongated portion of the instrument can be...
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7520865 |
Surgical tool mechanism
The surgical tool comprises a longitudinally extending waveguide ( 1 ) defining a longitudinal axis ( 2 ). A first jaw member ( 1 b ) is connected at a distal end of the waveguide ( 1 ). A...
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7517347 |
Electrosurgical instrument for an endoscope or a catheter
The invention relates to an electrosurgical instrument ( 5 ) for an endoscope or a catheter, which can be operated by means of a high-frequency current, contact electrosurgical treatment and...
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7513896 |
Dual synchro-resonant electrosurgical apparatus with bi-directional magnetic coupling
An electrosurgical generator is disclosed, which includes an RF output stage connected to a DC power supply and first and second connections. The first connection includes a first switching...
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7503917 |
Electrosurgical pencil with improved controls
An electrosurgical pencil is provided and includes an elongated housing having an electrocautery blade supported therein and extending distally from the housing. The electrocautery blade is...
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7494473 |
Electrical apparatus and system with improved tissue capture component
Electrosurgical tissue specimen recovery apparatus and system employing a multi-leaf capture component configured with pursing cables which are electrosurgically excited to define a cutting leading...
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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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7479140 |
Intelligent selection system for electrosurgical instrument
An intelligent selection system for operating an electrosurgical instrument for use by a surgeon that depends primarily on the surgical procedure to be employed. The operating mode as well as other...
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7341584 |
Device and method to limit filling of the heart
A device used to treat heart disease by decreasing the size of a diseased heart, or to prevent further enlargement of a diseased heart. The device works by limiting the volume of blood entering the...
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7271363 |
Portable microwave plasma systems including a supply line for gas and microwaves
Portable microwave plasma systems including supply lines for providing microwaves and gas flow are disclosed. The supply line includes at least one gas line or conduit and a microwave coaxial...
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7244255 |
High-frequency surgical generator
A high-frequency generator for high-frequency surgery is driven by a d.c. voltage supply. This d.c. voltage supply has a first working mode for transferring energy in a direction of the...
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7214224 |
Electrosurgical system
An electrosurgical system includes a generator ( 10 ) for generating radio frequency power, an electrosurgical instrument ( 12 ) including at least two electrodes, and an identification element (...
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7169115 |
Endoscopic mucosal resection device with overtube 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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RE39358 |
Electrosurgery system and method
An electrosurgical generator has output terminals for connection to active and return electrodes respectively of an electrosurgical instrument and, connected to the output terminals via at least...
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7115121 |
Electrosurgical apparatus
An electrosurgical apparatus comprises an HF generator and an HF instrument, the HF instrument having a first switch and a second switch, the first switch being assigned a first operating state,...
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7094231 |
Dual-mode electrosurgical instrument
An electrosurgical instrument that is capable of generating high-quality RF energy at a single frequency in the MHz range best suited for delicate, precise and quick-healing cutting procedures with...
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6994705 |
Endoscopic mucosal resection device with conductive tissue stop
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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6974452 |
Cutting and cauterizing surgical tools
A surgical tool that can be used for both cauterizing and cutting during a surgical procedure. The surgical tool may include a tip having an edge for cutting and electrodes formed at or near the...
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6939359 |
Apparatus and methods for valve removal
This invention discloses a medical catheter and methods for removing a defective valve from a patient endoluminally. The method may comprise inserting a medical catheter endoluminally to a site of...
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6893434 |
Ultrasonic soft tissue cutting and coagulation systems including a retractable grasper
The present invention features an ultrasonic surgical system including an ultrasonically vibrating blade, and retractable grasper. The grasper includes a grasping jaw or clamp that is movable, in a...
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6890331 |
Electrosurgical apparatus
An electrosurgical apparatus comprises a high frequency generator ( 1 ) with an associated power control system, a handpiece ( 2 ) with means for removably mounting an electrode ( 5 ) therein, and...
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6872204 |
Tissue cutting catheter and RF cutting method
A tissue cutting device includes a catheter with a window at its distal tip for admitting tissue into a catheter compartment. A cylindrical cartridge in the compartment has a cutting edge that...
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6786906 |
Electrosurgical cutting tool
The invention relates to an electrosurgical tool which includes in a housing an active and return electrode which can be controlled in use so that it is the active electrode which performs the...
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6736813 |
High-frequency treatment tool
The present invention provides a bipolar high-frequency treatment tool for coagulating and incising the vital tissue, comprising a pair of jaws provided at a distal end portion of an elongated...
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6663623 |
Electric surgical operation apparatus
The electric surgical operation apparatus of the present invention easily and securely shortens the rising time until incision and coagulation effects appear even if electrodes having different...
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6582427 |
Electrosurgery system
An electrosurgery system includes an electrosurgical generator ( 10 ) coupled to or part of an electrosurgical instrument, the generator being operable to generate electrosurgical power in low...
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6514249 |
Positioning system and method for orienting an ablation element within a pulmonary vein ostium
This invention relates to a surgical device and method. More particularly, it relates to a tissue ablation device assembly and method using a circumferential ablation member in combination with a...
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6464696 |
Electrical surgical operating apparatus
An electric surgical operation apparatus comprises: an active electrode which performs medical treatment to an area to be treated by applying electric energy to the area; an electric power...
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6458122 |
Radiofrequency electrosurgical generator with current control
The invention realizes a radio knife powered by an electronic circuit that operates with high-frequency current wherein said circuit comprises: a rectifier circuit ( 20 ) fed by the mains voltage...
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6451014 |
Electrode device for microwave operation
An electrode device is for microwave coagulation therapy disclosed in which the direction of its electrode tip can be controlled by operation in its proximal region. The device comprises: a...
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6428508 |
Pulsed vacuum cataract removal system
An ophthalmic cutter system that includes a cutter adapted to cut tissue such as a cataract lens and an irrigation handpiece adapted to hold the lens. The irrigation handpiece may be coupled to an...
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6402747 |
Handswitch cord and circuit
A replaceable accessory cord and handswitch set adapted for use with an electrosurgical instrument that has a proximal end handle for holding by the surgeon and distal end effectors for delivery of...
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6402742 |
Controller for thermal treatment of tissue
Disclosed is an apparatus for use in conjunction with an RF ablation electrode insertable into a patient to ablate body tissue, e.g., prostate tissue of a patient with a BPH condition. The...
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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...
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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...
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6306131 |
Electric medical apparatus
An electric medical apparatus according to the present invention performs an incising treatment automatically after the coagulating treatment has been performed without a necessity for an operator...
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6287304 |
Interstitial cauterization of tissue volumes with electrosurgically deployed electrodes
Apparatus system and method for cauterizing a volume of tissue wherein electrode assemblies are deployed from the forward end region of an instrument in conjunction with an electrosurgical cutting...
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6238388 |
Low-voltage electrosurgical apparatus
Low-power, low-voltage electrosurgical apparatus providing three current unipolar modes whose circuitry for generating the modulation signals needed to implement the three current modes employs no...
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6237606 |
Method of applying energy to tissue with expandable ligator catheter having multiple electrode leads
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...
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6149647 |
Apparatus and methods for tissue treatment
An ablation apparatus for treating tissues of a patient, the ablation apparatus including a catheter shaft, the catheter shaft including a shaft distal section, a shaft distal end, a shaft proximal...
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6130271 |
Deformable absorbable surgical device
A deformable surgical repair device is manufactured from a block or graft copolymer. The copolymer comprises a plurality of first linkages selected from the group consisting of glycolic acid ester...
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6071281 |
Surgical method and apparatus for positioning a diagnostic or therapeutic element within the body and remote power control unit for use with same
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.
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6015415 |
Polypectomy snare instrument
A surgical snare instrument includes a tubular sheath having proximal and distal ends, a flexible shaft having proximal and distal ends extending through and axially movable relative to the sheath,...
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5964754 |
Device for perforating the heart wall
A device (1) serves for creating perforations, borings or perfusion channels in the heart wall (2), especially in the myocardium, for generating channels running in the heart wall (2) for supplying...
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5951545 |
High-frequency surgical instrument and method of operating the same
A high-frequency surgical apparatus has a plurality of different operating modes, such as monopolar, tripolar, bipolar, at least one function such as cutting, coagulation in each operating mode and...
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5935097 |
Suction and rinsing instrument
The invention relates to a suction/rinsing instrument comprising a suction channel for removing fluid and a rinsing channel for supplying rinsing fluid. The suction channel is provided for...
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5921999 |
System and method employing a pie-zoelectric crystal and transverse oscillation to perform a capsulotomy
A system and method for performing a capsulotomy employ a handpiece including a cutting assembly that fits into the anterior chamber of the eye, and cuts an opening in the capsule of the eye with...
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5833686 |
Ultra-high-frequency cosmetic apparatus
An ultra-high-frequency (UHF) cosmetic apparatus using UHF electric current of about 50 MHz to treat 80 kinds of dermatosis without any side effect, e.g. to remove a variety of benign vegetations...
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5817091 |
Electrosurgical device having a visible indicator
An electrosurgical system having a visual indicator is provided. In a first embodiment, the electrosurgical system includes an active electrode coupled to a power supply for providing...
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