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7618416 |
High-frequency knife, endoscopic apparatus, and method of resecting lesioned mucosal part using high-frequency knife
A high-frequency knife includes a cylindrical body member, electrically conductive axial member, operating section, and electrical insulating member. At least an outer peripheral surface of the...
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7615050 |
Systems and methods for creating a lesion using transjugular approach
A method of treating a tissue region includes inserting a flexible sheath within a vessel, the vessel leading to a tissue region, placing a distal end of the sheath through a wall of the vessel to...
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7615049 |
Devices, systems and methods for treating tissue regions of the body
Improved devices, systems and methods for treating a tissue region provide straightforward, yet reliable ways for installing diverse functional components within the confined space of a...
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7611512 |
Interleaved array of bipolar electrodes
Apparatus including a first electromagnetic energy element that includes protrusions that jut into recesses formed in a second electromagnetic energy element, and a source of electromagnetic energy...
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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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7608839 |
Plasma source and applications thereof
A low-power atmospheric pressure plasma source, comprising a plasma-forming region for injection of a plasma-forming gas; an excitation region for injection of a source of reactive species...
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7608072 |
Surgical methods and apparatus for maintaining contact between tissue and electrophysiology elements and confirming whether a therapeutic lesion has been formed
Surgical systems, devices and methods including one or more tissue stimulation elements that, in some instances, may also be used for sensing purposes. Some of the surgical devices also include a...
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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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7604633 |
Moisture transport system for contact electrocoagulation
An apparatus and method for use in performing ablation or coagulation of organs and other tissue includes a metallized fabric electrode array which is substantially absorbent and/or permeable to...
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7604611 |
Handle thumb wheel mechanism which maintains holding forces when sterilized and when engaged
A thumb wheel mechanism includes a thumb wheel with upper and lower surfaces, the lower surface including a bore with a ball connected to it, and an handle half with upper and lower surfaces, the...
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7601149 |
Apparatus for switching nominal and attenuated power between ablation probes
A tissue ablation system comprises an ablation source, such as an RF ablation source, configured for generating a common power signal, and a power multiplexor configured for splitting the power...
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7597698 |
Apparatus and method for endoscopic encirclement of pulmonary veins for epicardial ablation
Surgical instruments and procedures promote placement of a tissue-ablating probe surrounding the left and right pulmonary veins within the intrapericardial space of a patient's heart via access...
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7597661 |
Medical instrument having a catheter and method for using a catheter
A medical instrument includes a catheter having a distal end insertable within a body lumen and having longitudinally spaced apart and circumferentially-protruding first and second pods. The first...
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7594925 |
Control systems for delivering energy
Methods for treating a network of organs including generating a map of at least a portion of the network of organs using a rendering system; selecting at least one treatment location within the...
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7594915 |
Tissue stabilization and ablation devices and methods
Tissue stabilization and ablation devices and methods provide techniques for stabilizing and ablating body tissues during surgical ablation procedures. In many embodiments, for example, devices may...
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7594914 |
Incision and closure surgical device
Incision and closure surgical device designed to assist in operative surgery as a means of effecting and repairing skin wounds. A slide fastener is fitted to a self-adhesive sheet that is attached...
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7591816 |
Irrigated ablation catheter having a pressure sensor to detect tissue contact
The invention relates to an irrigated ablation catheter that has a pressure sensor to determine tissue contact as well as methods of using the same. The irrigated ablation catheter contains fluid...
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7591815 |
Surgical treatment for atrial fibrillation using radiofrequency technology
Ablation systems and methods for treating atrial fibrillation utilizing RF energy are provided. The system generally includes a first conductive member having a shape which defines a desired lesion...
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7591784 |
Bi-directional handle for a catheter
A catheter actuation handle for deflecting a distal end of a tubular catheter body having first and second actuation wires extending from a proximal end of the body. The handle comprises a first...
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7588569 |
Medical instrument for the treatment of tissue by means of a high-frequency current and medical system with a medical instrument of this type
The invention relates to a medical instrument for treating tissue by means of high-frequency current. The inventive instrument comprises at least one electrode that can be impinged upon with a...
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7588568 |
Atrial ablation catheter and method for treating atrial fibrillation
A catheter for ablating tissue is provided. The catheter comprises an elongated generally-tubular catheter body having proximal and distal ends and at least one lumen extending therethrough. A...
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7585297 |
RF electrode array for low-rate collagen shrinkage in capsular shift procedures and methods of use
Methods and apparatus are provided for an achieving low-rate collagen shrinkage using an electrode array comprising an elongated insulator strip having at least one pair of spaced-apart bi-polar RF...
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7585296 |
Method to treat gastric reflux via the detection and ablation of gastro-esophageal nerves and receptors
A method detects at a tissue site an electrical activity causing a transient relaxation of at least a portion of one of a sphincter, a lower esophageal sphincter, a stomach, a cardia or a fundus....
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7582085 |
Catheter placement detection system and operator interface
A system for facilitating the placement of a catheter within the human body, in a lumen or vessel such as the fallopian tubes, and controlling the catheter after placement. The system coordinates...
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7572257 |
Vacuum coagulation and dissection probes
A surgical device integrating a suction mechanism with a coagulation mechanism is provided for improving lesion creation capabilities. The device comprises an elongate member having an insulative...
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7572256 |
Shaped scalpel
An electrosurgical tool includes a cutting loop, which can be an RF cutting loop, which is secured to a shaft which rotates about an axis which is perpendicular to the longitudinal axis of the tool.
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7572255 |
Gas-enhanced surgical instrument
A gas-enhanced electrosurgical instrument includes a hand-held applicator and a portable actuator assembly. The hand-held applicator has a gas delivery member adapted to deliver pressurized...
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7570982 |
Catheter having mapping assembly
A mapping catheter comprises a catheter body and a mapping assembly. The catheter body has an outer wall, proximal and distal ends, and at least one lumen extending therethrough. The mapping...
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7569053 |
Apparatus for retrieving a tissue volume with improved positioning precursor assembly
Apparatus for retrieving a tissue volume of a variety utilizing an electrosurgically excited cable implemented capture component which performs in combination with an improved precursor assembly....
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7566334 |
Ablation device with jaws
System, device and method for ablating target tissue adjacent pulmonary veins of a patient through an incision. An ablation device can include a hinge including a cam assembly, a moving arm, a...
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7566333 |
Electrosurgical device with floating-potential electrode and methods of using the same
The present invention relates to electrosurgical probes suitable for tissue vaporization and cutting of tissue structures, more particularly for performing electrosurgical cutting, ablation...
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7565208 |
Catheter with sensor tips, tool and device and methods of use of same
An apparatus and method for catheter-based sensing and injection at a target site within a patient's body. An injection catheter is equipped with electrodes at its distal end which contact the...
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7565190 |
Cardiac CT system and method for planning atrial fibrillation intervention
A method for planning atrial fibrillation (AF) intervention for a patient includes obtaining acquisition data from a medical imaging system, and generating a 3D model of the left atrium and...
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7563261 |
Electrosurgical device with floating-potential electrodes
An electrosurgical instrument, system and methods are provided for the vaporization, cutting, coagulation, or treatment of tissue in the presence of an electrically conductive fluid medium. The...
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7561907 |
Catheter having multiple spines each having electrical mapping and location sensing capabilities
An improved catheter is provided that is particularly useful for mapping the electrical activity in a heart. The catheter comprises a plurality of spines each capable of obtaining electrical,...
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7556628 |
Method for tissue ablation
Methods of ablating mucosal tissue in an alimentary canal are provided. The methods can include the steps of (i) providing an ablation device comprising a tissue ablation source; (ii) positioning...
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7556627 |
Mucosal ablation device
A medical device for performing a therapeutic procedure on a patient. The device includes a body that is sized and shaped to engage a working end of an endoscope. The body has a recess therein. The...
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7553309 |
Electrosurgical system employing multiple electrodes and method thereof
A system and method for heat ablation of tissue in which energy is sequentially applied to at least two electrodes inserted into tissue. The system is comprised of a radiofrequency (RF) source for...
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7553307 |
Devices and methods for tissue modification
Methods and apparatus are provided for selective surgical removal of tissue. In one variation, tissue may be ablated, resected, removed, or otherwise remodeled by standard small endoscopic tools...
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7553284 |
Focused ultrasound for pain reduction
Methods and devices that provide ultrasonic energy used to cause one or more nerves to become dysfunctional. A nerve to be treated is placed in the focal zone of ultrasonic energy emitted by...
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7549990 |
Surgical scissors with argon plasma coagulation capability
Surgical scissors having argon plasma coagulation capability are shown. The surgical scissors include in their body a channel for receiving a flexible tube having a wire within it. The flexible...
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7549989 |
Electrosurgery devices
Devices for electrosurgery by means of oxy-hydro combustion. Deleterious effects to tissue are minimized by means of control of acid-base shift reactions, which reactions can further be employed to...
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7549988 |
Hybrid lesion formation apparatus, systems and methods
A hybrid lesion formation apparatus including a surgical probe component and clamp component that share a common electrical connector.
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7549987 |
Thermotherapy device
This invention relates to the working end of a medical instrument that applies energy to tissue. In one embodiment, the instrument has a microfluidic tissue-engaging surface fabricated by soft...
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7549986 |
Systems and methods for performing simultaneous ablation
A system for treating tissue includes first and second ablation devices each including a plurality of wire electrodes and coupled to a generator in parallel. In one embodiment, the generator...
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7549424 |
Method and apparatus for tissue treatment with laser and electromagnetic radiation
A method and apparatus wherein an application of energy is limited to a specific diseased portion of body tissue (target tissue) for the purpose of localizing the treatment to the target tissue and...
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7543589 |
Method for ablating cardiac tissue
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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7543588 |
Multi-functional surgical control system switching interface
An interface which allows a surgeon to operate multiple surgical devices from a single input device. The input device may be a foot pedal that provides output signals to actuate a number of...
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7540871 |
Integrated three-port receptacle and method for connecting hand and foot switched electrosurgical accessories
A three-port receptacle connects both single-prong and three-prong electrical connectors of electrosurgical accessories to an electrosurgical generator. The receptacle includes two control ports...
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7540870 |
Ablative ultrasonic-cryogenic apparatus
An ablative apparatus that can be used to treat atrial fibrillation and other cardiac arrhythmias by ablating cardiac tissue is disclosed. When the distal end of the apparatus reaches the tissue to...
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