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7056320 |
Systems and methods for treating dysfunctions in the intestines and rectum
A sphincter tissue region is treated using a support structure sized for advancement into the anal canal. At least one electrode is carried by the structure. A mechanism is coupled to the electrode...
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7056319 |
Sphincterotome and manometry catheter
A catheter for diagnosis of sphincter motility by measuring pressure exerted by the sphincter and, when necessary, ablating the sphincter immediately after diagnosis of a dysfunction. The catheter...
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7052492 |
Surgical method and 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.
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7052493 |
Methods and devices for ablation
The invention is related to methods of sizing an area around the pulmonary veins along an epicardial surface. A sizing element is provided which has a plurality of indicators along its length which...
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7048734 |
Systems and methods for electronically altering the energy emitting characteristics of an electrode array to create different lesion patterns in body tissue
Systems and methods employ a guide element that carries a region of energy emitting material. The systems and methods electronically couple the region to a source of energy that, when emitted by...
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7048733 |
Surgical perforation device with curve
A device for creating a surgical perforation with a functional distal tip for creating a controlled perforation. The functional tip may comprise at least one active electrode for creating the...
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7044949 |
Smart recognition apparatus and method
A qualifying connection for an instrument attaches to a source of electrosurgery energy and to the instrument and has first and second parts coupled to the instrument and the source, respectively....
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7044948 |
Circuit for controlling arc energy from an electrosurgical generator
A circuit is disclosed which minimizes the amount of tissue vaporized during a first half (positive half cycle) of an electrosurgical current cycle and minimizes the amount of current applied to...
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7041101 |
Electrosurgical accessing of tissue with controlled collateral thermal phenomena
Method, system and apparatus for carrying out electrosurgical procedures interstitially. Elevated temperature fluid such as steam generated by an instrument born electrosurgical cutting arc is...
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7041098 |
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...
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7041095 |
Cardiac ablation system and method for treatment of cardiac arrhythmias and transmyocardial revascularization
A medical device, and related method, use epicardial ablators and detectors for intraoperative epicardial approaches to ablation therapy of cardiac conduction pathways. An epicardial gripper is...
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7041100 |
Method and system for selective electro-thermolysis of skin targets
A method for non-invasive selective thermal destruction of a skin target by RF current. One or more characteristics of an RF current and a bipolar RF electrode system are determined based upon one...
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7041097 |
System and method for accessing the coronary sinus
The invention is generally directed to an accessing system for a patient's coronary sinus which includes a tubular support member with a distal extremity extending into the right atrium of the...
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7041099 |
Intraoperative endocardial and epicardial ablation probe
An elongate, malleable ablation probe including an elongate malleable body ( 38 ) and a plurality of longitudinally spaced apart electrodes ( 40 ) disposed at a distal end thereof. The electrodes (...
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7033357 |
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...
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7033353 |
Electrosurgical gas attachment
A nozzle and electrode combination for use with an electrosurgical device is described. The nozzle includes a shroud defining a channel and a lumen which intersect to define an acute angle. An...
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7033354 |
Electrosurgical electrode having a non-conductive porous ceramic coating
An electrosurgical electrode and electrosurgical generator system utilizing the same are disclosed capable of controlling or limiting the current per arc in real-time during an electrosurgical...
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7031432 |
Miniature x-ray catheter with retractable needles or suction means for positioning at a desired site
An x-ray catheter has an x-ray tube having an x-ray source therein and an x-ray transparent window through which x-rays may pass is positioned with retractable needles or suction. The needles, if...
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7029471 |
Loop structures for supporting multiple electrode elements
A catheter assembly comprises a sheath, which includes a side wall enclosing an interior bore, a distal region, and an opening in the sidewall. The assembly also comprises a bendable catheter tube,...
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7029470 |
Ablation system and method of use
A system and method for creating lesions and assessing their completeness or transmurality. Assessment of transmurality of a lesion is accomplished by monitoring the depolarization signal in a...
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7025065 |
Method of testing thermal cautery devices
Thermal cautery and thermal ligating devices improved by the addition of a thermally conductive plate proximate the resistive heating element used in those devices.
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7025765 |
Tissue biopsy and treatment apparatus and method
A method of treating a tumor includes providing a tissue biopsy and treatment apparatus that includes an elongated delivery device that has a lumen and is maneuverable in tissue. A sensor array...
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7025766 |
Structures for supporting multiple electrode elements
A catheter assembly comprises a first branch body having a first axis, a second branch body extending in a non-parallel relationship with respect to the first axis, and at least one electrode...
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7025767 |
Tumor ablation needle with independently activated and independently traversing tines
The present invention relates to an apparatus and method for utilizing energy, such as radio frequency (RF) energy, to treat defined areas of tissue and more particularly to ablate tumors with RF...
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7025768 |
Systems and methods for ablation of tissue
A system for treating tissue includes a probe assembly having a cannula, a shaft, and one or more needle electrodes. The shaft has a distal end, a proximal end, and a lumen extending between the...
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7024242 |
Implantable cardiac stimulation device which recommends ablation therapy and method
An implantable cardiac stimulation device provides a stimulation therapy or an atrial ablation recommendation responsive to detection of atrial flutter of a heart. The device includes a sensing...
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7022088 |
Devices for applying energy to tissue
Disclosed herein are devices for altering gaseous flow within a lung to improve the expiration cycle of an individual, particularly individuals having Chronic Obstructive Pulmonary Disease (COPD)....
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7022105 |
Treatment of tissue in sphincters, sinuses and orifices
The invention provides a method and system for ablation of body structures or tissue in a sphincter, sinus or orifice such as the rectum, colon, esophagus, vagina, penis, larynx or pharynx. In one...
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7022121 |
Handpiece for treatment of tissue
A handpiece has a handpiece assembly and includes a handpiece housing. An insert is detachably coupled to the handpiece housing. The insert includes an RF electrode with a conductive portion and a...
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7018377 |
Method and apparatus for modifications of visual acuity by thermal means
A thermokeratoplasty system and method for locally heating and reshaping a cornea in a manner that produces a minimal regression of the corneal correction. The system includes a probe that is...
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7013169 |
Dual steer preshaped catheter
An electrophysiology catheter includes a flexible shaft with one or more electrodes disposed at a distal end having a preformed curve. A first steering apparatus allows altering a curvature of the...
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7011656 |
Thermal cautery devices with improved heating profiles
Thermal cautery and thermal ligating devices improved by the addition of a thermally conductive plate proximate the resistive heating element used in those devices.
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7013170 |
Methods of catheterization using a dual steer preshaped catheter
Methods of manipulating a catheterization apparatus involve providing a catheter having a flexible shaft with a preformed curve on a distal end of the flexible shaft, one or more electrodes...
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7008418 |
Magnetically assisted pulmonary vein isolation
A method for forming an ablation pattern to electrically isolate a vessel having an ostium from a chamber formed within a patient for treatment of cardiac arrhythmia. The distal portion of a...
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7008421 |
Apparatus and method for tissue resection
A tissue ablation system is described that generates a uniform avascular plane of coagulated tissue to aid in the bloodless or near-bloodless resection of various biological tissues from a variety...
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7008420 |
High frequency surgical instrument
The high frequency surgical instrument includes the electrical connection portion configured to detachably connect the connection cord designed for an external high frequency power source, to the...
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7008417 |
Detecting coagulum formation
Techniques for detecting coagulum formation on an ablation electrode make use of an ablation electrode that is connected to a radio-frequency (RF) generator capable of applying a small amount of RF...
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7004941 |
Systems and methods for electrosurigical treatment of obstructive sleep disorders
Systems, apparatus, and methods for selectively applying electrical energy to a target location within the head or neck of a patient for treating obstructive sleep disorders. A method of the...
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7004940 |
Devices for performing thermal ablation having movable ultrasound transducers
A device for thermal ablation therapy having a handle sized and shaped to be held by a user, one or more transducer assembly which, when activated, emits ultrasound energy capable of heating tissue...
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7004939 |
Electrosurgical apparatus
An apparatus for performing electrosurgery that employs a tungsten electrode that enables the flow of an inert gas (argon or helium) to flow and shroud the electrode during its use. The electrode...
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7004942 |
Ribbed electrodes and methods for their use
The invention provides improved devices, methods, and systems for shrinking of collagenous tissues, particularly for treating urinary incontinence in a noninvasive manner by directing energy to a...
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7001382 |
Electrosurgical coagulating and cutting instrument
An electrosurgical coagulating and cutting instrument employing pairs of clamping arms having wrist portions proximal to closing ramps and jaws and configured to close at their wrists first, then...
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7001383 |
Real-time monitoring and mapping of ablation lesion formation in the heart
A method is provided for ablating tissue in a heart of a subject during an ablation procedure. The method includes applying a local treatment to the heart at a plurality of sites designated for...
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7001380 |
Electrosurgical system and method
A method is disclosed for treating benign conditions, such as enlarged tonsils and/or adenoids located in a patient's throat or nasopharynx, or soft tissue lesions located in a patient's oropharynx...
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6994704 |
Graphical user interface for monitoring and controlling use of medical devices
A device for treating a tissue region is supplied with a separate usage key card. The usage key card comprises a storage medium, which is formatted to contain an identification code unique to the...
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6994706 |
Apparatus and method for treatment of benign prostatic hyperplasia
An apparatus and a method for treatment of benign prostatic hyperplasia are disclosed. The apparatus includes an applicator piece carrying a set of electrodes shaped and positioned to create a...
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6991631 |
Electrosurgical probe having circular electrode array for ablating joint tissue and systems related thereto
Electrosurgical methods, systems, and apparatus for the controlled ablation of tissue from a target site, such as a synovial joint, of a patient. An electrosurgical probe of the invention includes...
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6986769 |
Ablation catheter with cooled linear electrode
The ablation catheter is comprised of a guiding catheter and an inner catheter. The guiding catheter is comprised of a shaft section which is attached to an articulating section at its distal end...
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6986770 |
Thermokeratoplasty system with a power supply that can determine a wet or dry cornea
A power supply for a thermokeratoplasty system. The power supply can be connected to an electrode and a return element that are both coupled to a cornea. The power supply can perform a test routine...
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6979330 |
System for indirectly ablating tissue using implanted electrode devices
Systems and methods are provided for ablating tissue by implanting a plurality of electrode devices within the tissue to be treated and exposing the implanted electrode devices with RF energy...
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