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7416552 |
Multipolar, multi-lumen, virtual-electrode catheter with at least one surface electrode and method for ablation
Multipolar, multi-lumen, virtual-electrode catheters having at least one surface electrode, and methods for treatment (e.g., treatment of cardiac arrhythmias) with such catheters are disclosed. The...
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7416551 |
Catheter for delivering a tissue ablation probe
A delivery catheter having a shaft with a distal end and a proximal end for delivering an ablation probe to a body site. The delivery catheter comprises mounting members located at the distal end...
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7413568 |
Composite structures and methods for ablating tissue to form complex lesion patterns in the treatment of cardiac conditions and the like
A method of ablating tissue in the heart to treat atrial fibrillation introduces into a selected atrium an energy emitting element. The method exposes the element to a region of the atrial wall and...
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7415300 |
Multi-electrode lead
A multi-electrode lead ( 10 ) comprises an elongate carrier ( 12 ) having a longitudinal axis. A plurality of electrical conductors is carried by the carrier ( 12 ), a plurality of electrodes being...
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7410487 |
Vacuum coagulation probe for atrial fibrillation treatment
An embodiment of the invention includes a surgical device for coagulating soft tissue such as atrial tissue in the treatment of atrial fibrillation, atrial flutter, and atrial tachycardia. The...
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7410486 |
Ablation catheter having stabilizing array
A circumferential ablation catheter is provided, which is particularly useful for treating atrial arrhythmia by ablating a substantial portion of a circumferential region of tissue in a tubular...
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7406970 |
Method of using expandable vein 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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7407503 |
Medical-treatment electrode assembly having treatment-monitoring application
A medical-treatment electrode assembly includes at least three spaced-apart electrodes contactable with patient tissue and includes at least three leads electrically connected one each to a...
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7399304 |
Endoscopic tissue apposition device with multiple suction ports
An improved endoscopic tissue apposition device ( 50 ) having multiple suction ports ( 86 ) permits multiple folds of tissue to be captured in the suction ports ( 86 ) with a single positioning of...
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7399299 |
Thermal ablation of biological tissue
An ablation device is described comprising an introducer and an electrode array. The electrode array couples to a distal end of the introducer. The electrode array includes a center member having a...
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7399300 |
Cardiac ablation devices and methods
Devices and methods provide for ablation of cardiac tissue for treating cardiac arrhythmias such as atrial fibrillation. Although the devices and methods are often be used to ablate epicardial...
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7396355 |
Method and apparatus for applying energy to biological tissue including the use of tumescent tissue compression
An electrode catheter is introduced into a hollow anatomical structure, such as a vein, and is positioned at a treatment site within the structure. Tumescent fluid is injected into the tissue...
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7393351 |
Apparatus and methods for treating cervical inter-vertebral discs
Apparatus and methods for treating an inter-vertebral disc by ablation, coagulation, shrinking, stiffening, or other treatment of disc tissue. A method of the invention includes positioning at...
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7393330 |
Electrosurgical device having hollow tissue cutting member and transducer assembly
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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7393353 |
Transmural ablation device with temperature sensor
A method and apparatus for transmural ablation using an instrument containing first and second jaw member and at least one of the jaw members having an ablation member. A clamping force is exerted...
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7387625 |
Methods and apparatus for treating intervertebral discs
Apparatus and methods for treating a target tissue by delivering a fluid at a defined temperature to a patient's body. An apparatus of the invention includes a fluid delivery unit for delivering...
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7387126 |
Surgical system and procedure for treatment of medically refractory atrial fibrillation
The invention provides surgical systems and methods for ablating heart tissue within the interior and/or exterior of the heart. A plurality of probes is provided with each probe configured for...
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7387627 |
Vacuum-assisted securing apparatus for a microwave ablation instrument
A securing apparatus for selectively securing an ablating element of an ablation instrument proximate to a targeted region of a biological tissue. The securing apparatus includes a support base...
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7387630 |
Catheter with ablation needle and mapping assembly
The invention is directed to a catheter that creates enhanced lesions using a needle electrode and can simultaneously map electrical activity at a plurality of points using an enhanced mapping...
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7387628 |
Methods and systems for focused bipolar tissue ablation
Large tissue regions are treated using pairs of electrode arrays. The electrode arrays may be concave and disposed in tissue so that their concave portions are opposed to each other. Axial...
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7387626 |
Medical probe device and method
A medical probe device comprises a catheter having a stylet guide housing with one or more stylet ports in a side wall thereof and a stylet guide for directing a flexible stylet outward through the...
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7387629 |
Catheter design that facilitates positioning at tissue to be diagnosed or treated
A catheter used for diagnosing and treating, for example, atrial fibrillation. The catheter includes a catheter shaft that has a proximal portion and a distal portion. The distal portion is adapted...
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7384421 |
Slide-activated cutting assembly
An endoscopic bipolar forceps is provided. The forceps includes a housing, a shaft, a drive assembly, a handle assembly and a slide activated cutting assembly. The shaft is affixed to the housing...
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7381209 |
Electrosurgical instrument
An embodiment of the invention includes an electrosurgical jaw structure that carries cooperating PTC bodies in both series and parallel circuit components for controlled RF energy application to...
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7377919 |
Electrosurgical instrument
An improved insulating layer for electrosurgical instruments and its use for electrosurgical instruments for reducing smoke generation at a surgical site is disclosed. The insulating layer may...
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7377917 |
Feedback control of thermokeratoplasty treatments
A microwave thermokeratoplasty system uses an applicator having embedded sensors that provide feedback signals to a controller. The controller interprets these feedback signals to dynamically...
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7377918 |
Electrosurgical method and apparatus
Apparatus for forming a lesion in body tissue includes a probe having an active region with an electrode for contacting tissue to be treated, and an inactive region including an insulative sleeve...
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7374562 |
Method and system for conductive keratoplasty
Improved corrective procedures for conductive keratoplasty are disclosed. Over correction can be relieved by the addition of one or two spots along one of the rings on the cornea.
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7371235 |
Ablation systems including insulated energy transmitting elements
Ablation systems comprise a support body, an energy transmitting element supported by the support body and an insulating member covering a portion of the support body and energy transmitting...
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7371231 |
System and method for performing ablation using a balloon
An apparatus comprises a catheter, a conductive element and a balloon. The catheter has a lumen. The conductive element is disposed along the catheter. The balloon has an interior in fluid...
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7371234 |
Low profile radiofrequency electrode array
An electrosurgical device for tissue ablation includes a delivery cannula having a lumen and an open distal end in communication with the lumen, wherein an electrode array comprising a plurality of...
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7371232 |
Catheter having circular ablation assembly
A catheter particularly useful for ablation lesions within a tubular region of or near the heart is provided. The catheter comprises an elongated flexible tubular catheter body having an axis and...
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7371233 |
Cooled probes and apparatus for maintaining contact between cooled probes and tissue
Apparatus and methods for maintaining contact between tissue and cooled probes.
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7367973 |
Electro-surgical instrument with replaceable end-effectors and inhibited surface conduction
Improved robotic surgery end-effectors include at least one insulation material for inhibiting surface conduction of electrical current in a proximal direction, from a distal active electrode...
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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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7367974 |
Electrode array for tissue ablation
An electrode array allows for rapid ablation of a strip of tissue in an organ providing a barrier to blood loss during resection operations.
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7364579 |
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...
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7364546 |
Multi-functional medical catheter and methods of use
The present invention provides multi-functional medical catheters, systems and methods for their use. In one particular embodiment, a medical catheter ( 100 ) includes a flexible elongate body (...
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7364578 |
System and method of performing an electrosurgical procedure
A system and method of making a lesion on living tissue including providing an electrosurgical system, determining a desired lesion depth, selecting a power setting, and applying electrical energy...
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7361174 |
Angle indexer for medical devices
Apparatus for positioning of a medical device in body tissue includes an angle indexer which mates in at least two positions with an index-key attached to the medical device. The indexer may be...
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7357798 |
Systems and methods for electrosurgical prevention of disc herniations
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...
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7354440 |
Electrosurgical instrument and method of use
Embodiments of the invention provide an electrosurgical jaw structure comprising first and second opposing jaws one or both of which include 3D variable resistance bodies. The jaw structure can be...
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7354437 |
Electrode device for high frequency thermotherapy
The object of the present invention is to provide an electrode device for high frequency thermotherapy, including a main casing, an electrode needle, a first engaging part, and a guide unit coupled...
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7354438 |
Devices for electrosurgery
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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7347859 |
Tissue treatment system and method for tissue perfusion using feedback control
A system, ablation probe, and method is provided for treating tissue, e.g., tissue having tumors. The treatment system is configured to automatically deliver infusaid to tissue when needed and...
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7347858 |
Method and system for treatment of atrial tachyarrhythmias
A method and system for ablating tissue to provide a desired set of lesions. The system includes an ablation apparatus having an elongated shapeable section carrying a mechanism such as an...
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7347857 |
Ablation catheter having a loop structure for effecting ablation of tissue
An ablation catheter ( 10 ) includes an elongate carrier ( 12 ). A first loop ( 14.1 ) is arranged at or adjacent a distal end of the carrier ( 12 ). At least one sensing electrode ( 40 ) is...
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7344535 |
Devices and methods for treatment of luminal tissue
Devices and methods are provided for treatment of tissue in a body lumen with an electrode deployment device. Embodiments typically include a device with a plurality of electrodes having a...
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7344534 |
Ablation device
A medical device for performing a therapeutic procedure on a patient. The medical device comprises a probe having an applicator end and at least two injection needles connected to the probe...
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RE40156 |
Methods for repairing damaged intervertebral discs
Apparatus and methods for treating an intervertebral disc by ablation of disc tissue. A method of the invention includes positioning at least one active electrode within the intervertebral disc,...
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