Matches 51 - 100 out of 476 < 1 2 3 4 5 6 7 8 9 10 >
Match Document Document Title
7232437 Assessment of lesion transmurality  
A method and apparatus for treating a body tissue in situ (e.g., an atrial tissue of a heart to treat) atrial fibrillation include a lesion formation tool is positioned against the heart surface....
7218958 Electrophysiology/ablation catheter having second passage  
A deflectable tip cardiac electrophysiology/ablation lumen catheter includes first and second passages, one of which communicates with an inflatable member or balloon. The second passage terminates...
7211082 Magnetically navigable telescoping catheter and method of navigating telescoping catheter  
A magnetically navigable catheter includes a sheath having a proximal end and a distal end, and an extension member having a proximal end and a distal end, slidably mounted in the sheath so that...
7212868 Electrode and insulation assembly for a lead and method therefor  
A lead assembly includes an inner electrode coupled with a conductor, and an outer electrode disposed over the inner electrode, where the outer electrode is coupled with at least a portion of the...
7207987 Catheter exhibiting improved electrical properties as well as a device and processing method for improving electrical properties of catheters  
In order in the case of a catheter for the ablation of biological, in particular of animal or human, tissue, preferably for the ablation of human myocardial tissue, having at least one ablation or...
7187963 Bidirectional catheter having mapping assembly  
A bidirectional mapping catheter is provided. The catheter comprises an elongated flexible tubular catheter body having an axis and proximal and distal ends. A mapping assembly, which is mounted at...
7181262 Method for mapping a tubular region near the heart  
A method is provided for mapping electrical activity within a tubular region of or near the heart having a inner circumference, such as a pulmonary vein. The method comprises inserting into the...
7181272 Cardiac restraint with electrode attachment sites  
The invention is directed to techniques for electrode placement around a heart. A harness having one or more attachment sites may be secured around the heart, and electrodes may be secured at the...
7175619 Loop structures for positioning a diagnostic or therapeutic element on the epicardium or other organ surface  
Loop structures for positioning diagnostic an therapeutic elements on the epicardium or other organ surface.
7174220 Construction of a medical electrical lead  
An implantable cardiac stimulation lead system for use with an implantable stimulation device includes at least a pair of conductors, braided together and extending between proximal and distal ends...
7168165 Fabrication of electrical medical leads employing multi-filar wire conductors  
During fabrication of an electrical medical lead, a cut end of a stranded wire conductor is subjected to electrical current sufficient to heat and weld the strands together upon discharge of a high...
7156841 Electrode arrangement for use in a medical instrument  
A medical instrument is disclosed. The medical instrument includes a pair of spaced apart and electrically isolated elongated wire electrodes positioned adjacent one another on a working member....
7155270 Catheter with multi-spine mapping assembly  
A catheter that is particularly useful for simultaneously mapping multiple points within the heart is provided. The catheter includes a mapping assembly including a plurality of flexible spines,...
7149563 Basket catheter with multiple location sensors  
An improved basket catheter is provided that is particularly useful for mapping the heart. The catheter comprises an elongated catheter body having proximal and distal ends and at least one lumen...
7142903 Catheter with contractable mapping assembly  
The invention is directed to a mapping catheter useful for mapping tubular regions in and around the heart. The catheter comprises an elongated tubular catheter body. A mapping assembly is provided...
7136702 Method and apparatus for delivering multi-directional defibrillation waveforms  
A method and apparatus for delivering a pulse waveform to a target site of a patient that includes an energy storage device storing electrical energy and control circuitry, coupled to the energy...
7123951 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...
7099711 Method for mapping electrical activity  
A method for measuring electrical activity within a tubular region of or near the heart, such as the pulmonary vein, is provided. The method comprises inserting into the heart a distal end of a...
7099712 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,...
7089045 Catheter and method for mapping Purkinje fibers  
An improved catheter is provided that is particularly useful for mapping the Purkinje fibers for potential diagnosis of ventricular fibrillation. The catheter comprises an elongated catheter body...
7081114 Electrophysiology/ablation catheter having lariat configuration of variable radius  
A remotely deflectable electrophysiology/ablation catheter of the type intended for placing into an interior passage of the heart is disclosed. The distal end of this elongated tubular catheter has...
7079903 Low polarization coatings for implantable electrodes  
Coatings for implantable electrodes such as pacing electrodes, neurostimulator electrodes, and electroporating electrodes and sensing electrodes are described. The coatings are highly...
7072703 Medical device with force monitoring features and method therefor  
A medical device for use with an implantable lead includes a force monitoring system coupled with the device. The force monitoring system monitors force placed on the medical device and/or the...
7039450 Telescoping catheter  
A catheter that is particularly useful for mapping electrical activity in the heart of a patient is provided. The catheter comprises an elongated catheter body having a lumen extending...
7027852 Lead with distal tip surface electrodes connected in parallel  
An body implantable stimulation lead is provided including tip electrode patterns and configurations producing low noise, clean sensed signals devoid of far field components, such sensed signals...
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...
7013180 Conditioning of coupled electromagnetic signals on a lead  
A method and an apparatus for reducing coupled electrical energy resulting from an electromagnetic field. Embodiments of the present invention provide for an elongate body having a proximal end...
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...
6999821 Body implantable lead including one or more conductive polymer electrodes and methods for fabricating same  
A body implantable lead comprises a lead body including a conductive polymer electrode disposed along a distal end portion of the lead body for performing one or more of the functions consisting of...
6994094 Method and device for transseptal facilitation based on injury patterns  
A method for performing a procedure at the fossa ovalis in the septal wall of the heart includes the steps of providing a sheath having a body wherein the body has a lumen extending therethrough...
6988007 Single pass telescoping cardiac lead for the left heart  
An implantable single-pass cardiac stimulation lead provides for placement of electrodes into electrical contact with two chambers of a patient's heart. The lead includes an inner lead body having...
6983179 Method for mapping a heart using catheters having ultrasonic position sensors  
A method for mapping a heart comprises the steps of inserting a mapping catheter having an ultrasonic position sensor into the heart. At least one reference catheter having an ultrasonic position...
6983185 Lead with terminal connector assembly  
A lead includes a lead body extending from a distal end to a proximal end, and at least one conductor disposed within the lead body and extending from the distal end to the proximal end of the lead...
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...
6974457 Ablation catheter  
An ablation catheter comprises a shaft and at least one ablation electrode which may be fixed or movable relative to the shaft. An insulating cap is placed over portions of the electrode which are...
6973339 Lasso for pulmonary vein mapping and ablation  
A method is provided for electrical mapping of a pulmonary vein of a heart, including introducing into the heart a catheter having a curved section and a base section, the base section having a...
6970733 System and method for electrode localization using ultrasound  
The present invention is a device localization system that uses one or more ultrasound reference catheters to establish a fixed three-dimensional coordinate system within a patient's heart using...
6968236 Ceramic cardiac electrodes  
A cardiac electrode termination pair system that is particularly compatible with Magnetic Resonance Imaging (MRI) procedures. The electrodes include tip and ring electrodes made of a...
6944490 Apparatus and method for positioning and delivering a therapeutic tool to the inside of a heart  
A medical device and method are provided for positioning and supporting a therapeutic tool within the heart or other body cavity. The device has a tubular member through which a cage can be...
6944489 Method and apparatus for shunting induced currents in an electrical lead  
An electrical lead includes an elongate body having a proximal end portion and a distal end portion, a first electrode disposed adjacent and joined to the distal end portion of the elongate body....
6939349 Structures for deploying electrode elements  
An electrode support structure comprises a guide body having at its distal end a flexible spline leg. The spline leg is flexed to define an arcuate shape to facilitate intimate contact against...
6932812 Large area thermal ablation  
A large area thermal ablation apparatus for use with an endoscope includes a housing and at least one electrode. The housing is removably attachable to a distal terminating end of the endoscope....
6925318 Medical probe with variable tip length and shape  
A tip assembly that can be varied in length and/or shape is coupled to an elongated sheath to form a medical probe, such as a catheter or surgical probe. For example, the medical probe can be an...
6925334 Implantable medical lead having multiple, jointly insulated electrical conductors  
An implantable lead for transmitting electrical signals between a proximal end and a distal end comprises an elongated lead body defining a longitudinally-extending lumen, and a plurality of...
6920361 Reverse wound electrodes  
An implantable lead includes an insulative sheath and a coil member; the coil member including a conductor wound from a proximal end of the coil member to a distal end and reverse wound back toward...
6915149 Method of pacing a heart using implantable device  
A method of determining an optimal location for implanting a pacemaker electrode includes the steps of pacing a heart from a first location and generating a first map of the heart associated with...
6909919 Cardiac lead incorporating strain gauge for assessing cardiac contractility  
For chronic monitoring of the effects of pacing and/or drug therapy in treating CHF, a strain gauge element is disposed at the distal end of a cardiac lead and is effective to produce a signal...
6905495 Irrigation probe for ablation during open heart surgery  
An irrigation probe useful for ablation during open heart surgery is provided. The irrigation probe comprises a generally rigid probe body and a handle mounted to the proximal end of the probe...
6901288 Sealing assembly for intravenous lead  
A seal adapted for use with medical devices is provided with a lead having a distal tip electrode. The distal tip of the lead is adapted for implantation on or about the heart and for connection to...
6901297 Stimulation electrode and its use  
A stimulation electrode has an electrode surface at least partially covered with a coating of titanium nitride, the titanium nitride having on its side remote from the electrode surface a larger...
Matches 51 - 100 out of 476 < 1 2 3 4 5 6 7 8 9 10 >