Matches 151 - 200 out of 476 < 1 2 3 4 5 6 7 8 9 10 >
Match Document Document Title
6514246 Systems and methods for forming large lesions in body tissue using curvilinear electrode elements  
Systems and associated methods form larger and deeper lesion patterns by shaping a support body with multiple electrodes in ways that increase the density of the electrodes per given tissue area....
6512940 Subcutaneous spiral electrode for sensing electrical signals of the heart  
An implantable pacemaker is provided with subcutaneous spiral electrodes for sensing electrical signals of the heart. Subcutaneous spirals or spiral electrodes are embedded individually into three...
6498943 Multi-polar electrode arrangement  
A multipolar electrode arrangement having a plurality of electrodes ( 14, 14′, 14 ″) with an electrical feed line, wherein the electrodes ( 14, 14′, 14 ″) are connected to an electrode...
6496712 Method and apparatus for electrophysiology catheter with enhanced sensing  
A method of and an apparatus for performing electrophysiological mapping of myocardial tissue. An electrode at a distal portion of a sensing catheter electrically contacts the tissue permitting the...
6475213 Method of ablating body tissue  
Electrode structures are formed from flexible, porous, or woven materials. One such structure is made by forming first and second body sections, each including a peripheral edge. The first and...
6477396 Mapping and ablation catheter  
A catheter for mapping and ablating comprises an elongated flexible body having a distal region and at least one lumen extending therethrough. A tip electrode is mounted on the distal region. The...
6477428 Endocardial lead with vinylidene fluoride insulation  
A lead has a flexible lead body which extends from a proximal end to a distal end. The lead body has a conductor coupled with an electrode. At least a portion of the flexible lead body includes a...
6471699 Systems and methods for forming elongated lesion patterns in body tissue using straight or curvilinear electrode elements  
Systems and associated methods position arrays of multiple emitters of ablating energy in straight or curvilinear positions in contact with tissue to form elongated lesion patterns. The elongated...
6468272 Surgical probe for supporting diagnostic and therapeutic elements in contact with tissue in or around body orifices  
A probe that facilitates the creation of circumferential lesions in bodily tissue. The probe includes a relatively short shaft and a loop-like structure that supports electrodes or other operative...
6466811 Device for the mapping of cardiac arrhyhmia foci  
A device for the mapping of cardiac arrhythmia foci including a catheter body having a distal tip, first and second point electrodes, which are secured to the catheter body and which form a first...
6463335 Temporary medical electrical lead having electrode mounting pad with biodegradable adhesive  
A temporary cardiac electrical stimulating lead is disclosed having a stimulating electrode mounted in or on an electrode mounting pad disposed at a distal end of the lead, the pad having a...
6456863 Molded catheter distal end assembly and process for the manufacture thereof  
The present invention includes a catheter having a molded distal end assembly that includes at least one component molded therewithin. In a preferred embodiment, the catheter end assembly includes...
6456864 Systems and methods for guiding movable electrode elements within multiple-electrode structures  
Systems and related methods guide a movable electrode within an array of multiple-electrodes located within the body. The systems and methods employ the movable electrode or at least one of the...
6451016 Displaceable ablation electrode  
An ablation catheter comprising, in an exemplary embodiment, a probe having a proximal end and a distal end and an electrode which is axially displaceable along the probe. A first pull cable is...
6447507 Rail catheter ablation and mapping system  
An ablation system for ablating cardiac tissue within a chamber of the human heart including a guiding introducer system, a rail, one end of which is contained within the guiding introducer system,...
6438425 Textured silicone tubing for electrical pacing leads  
An implantable lead having a silicone rubber lead body which has a reduced coefficient of friction on an internal or external surface. The reduction in coefficient of friction is accomplished by...
6437076 Polyurethane and polyurea biomaterials for use in medical devices  
A medical device comprising a biomaterial formed from a polymer comprising urethane groups, urea groups, or combinations thereof, and sacrificial moieties that preferentially oxidize relative to...
6434430 Co-extruded, multi-lumen medical lead  
Medical electrical leads for sensing or electrical stimulation of body organs or tissues, particularly implantable cardiac leads for delivering pacing pulses and cardioversion/defibrillation...
6430426 Mapping and ablation catheter system  
A recording and ablation catheter method and system for creating linear lesions in an atrial or other chamber of a heart is disclosed which includes an array of readily controlled electroded...
6430425 Electrode arrangement for medical catheters  
A catheter electrode shell ( 2 ) has cutouts ( 3 ) made in such a way that a closed circular ring ( 4 ) is preserved to secure the electrode shell ( 2 ) to the catheter tube. The remaining contact...
6408199 Bipolar mapping of intracardiac potentials with electrode having blood permeable covering  
A method for measuring near-field electrical activity at a location in a heart comprising introducing into the heart a catheter. The catheter comprises an elongated tubular body having a distal...
6405067 Catheter with tip electrode having a recessed ring electrode mounted thereon  
A catheter particularly suitable for bipolar mapping and ablating comprises an elongated flexible body having a distal region and at least one lumen extending therethrough. A tip electrode is...
6400976 Catheter with thin film electrodes and method for making same  
An electrical lead for sensing electrical activity with the body of the patient and for applying electrical energy to selected body tissue comprises an elongated, flexible polymeric lead body...
6385491 Temporary medical electrical lead having biodegradable electrode mounting pad loaded with therapeutic drug  
A temporary cardiac electrical stimulating lead comprises a stimulating electrode mounted in or on a biodegradable electrode mounting pad disposed at a distal end of the lead. The electrode...
6379352 Large surface cardiac ablation catherter that assumes a low profile during introduction into the heart  
A cardiac ablation catheter has an energy emitting surface for thermally destroying tissue. The surface normally presents a compact, low profile for introduction into the heart. Once introduced,...
6360128 Cardiac mapping and ablation systems  
A probe for cardiac diagnosis and/or treatment has a catheter tube. The distal end of the catheter tube carries first and second electrode elements. The probe includes a mechanism for steering the...
6357447 Surface coatings for catheters, direct contacting diagnostic and therapeutic devices  
A method for manufacturing a catheter assembly including a handle, a guide tube having a proximal end engaged with the handle, and a distal end assembly engaged with a distal end of the guide tube....
6356790 Apparatus for R-F ablation  
An improved system and method for ablating a tissue site is provided. In one embodiment, the system comprises an ablation catheter employing one or more electrodes and multiple temperature sensors...
6350263 Ablating arrangement  
An ablation arrangement ( 1 ) for the targeted production of local lesions in living tissue inside the body, particularly inside the heart, comprising at least one energy source ( 15 ), a plurality...
6345198 Implantable stimulation system for providing dual bipolar sensing using an electrode positioned in proximity to the tricuspid valve and programmable polarity  
A single-pass pacing and/or shocking lead system is capable of sensing cardiac signal in the atrium and the ventricle in a “bipolar fashion” using a three-electrode structure: a first electrode...
RE37463 Implantable device for penetrating and delivering agents to cardiac tissue  
An implantable devices for the effective elimination of an arrhythmogenic site from the myocardium is presented. By inserting small biocompatible conductors and/or insulators into the heart tissue...
6330480 Plastically deformed medical electrode with releasable conductive cable  
An electrode device intended for medical equipment and arranged to be attached to a tissue of a body part of a patient, the electrode device including a clamping member, wherein the clamping member...
6322536 Minimally invasive gene therapy delivery and method  
The invention is directed to a device and method for delivering a therapeutic substance (64) to a bodily tissue in a minimally invasive manner. The device includes an elongate flexible tubular...
6322558 Apparatus and method for predicting ablation depth  
During an ablation procedure in a chamber of the heart RF energy is used to form a myocardial lesion for treatment of some arrhythmias such as sustained supraventricular tachycardia and accessory...
6324435 Electrical connector for cardiac devices  
An electrical connector for a cardiac device is disclosed. The connector has a wire and an electrode at the distal end of the wire. The wire is attached to a patch, and the patch is coated with an...
6321123 J-shaped coronary sinus lead  
The lead configuration enhances the sensing characteristics of the lead and provides for stable location of the electrodes in the coronary sinus. The J-shaped bend in the distal portion of the lead...
6308090 Devices and methods for coronary sinus mapping  
A catheter-based method for coronary sinus mapping, pacing, and ablation, wherein a distal tip portion having longitudinally stretchable/compressible capability is pre-shaped to snugly fit into the...
6295476 Medical lead conductor fracture visualization method and apparatus  
Methods for sensing or electrical stimulation of body organs or tissues are disclosed wherein a lead conductor wire or filament of a stranded lead conductor generates a radioactive emission when it...
6292678 Method of magnetically navigating medical devices with magnetic fields and gradients, and medical devices adapted therefor  
A method of applying an elongate magnetic element to the surface of an internal body structure includes applying a magnetic field to the elongate magnetic element to orient the elongate magnetic...
6289251 High strength medical electrical lead  
An implantable electrical lead having at least two mutually insulated electrical components that are separated by a portion of the lead's body fabricated of a plant, extensible biocompatible...
6285898 Cardiac electromechanics  
A method of constructing a cardiac map of a heart having a heart cycle including; bringing an invasive probe into contact with a location on a wall of the heart; determining, at at least two...
6258087 Expandable electrode assemblies for forming lesions to treat dysfunction in sphincters and adjoining tissue regions  
Expandable assemblies for treating a tissue region at or near a sphincter comprises a support basket formed from an array of spines. A mechanism flexes the spines to expand and collapse the basket....
6256525 Catheter distal end assemblies with bonded surface coatings  
Invasive medical catheters with distal end assemblies having a protective surface coating bonded thereto are constructed by applying a hydrophilic primer to at least a portion of a tubular polymer...
6251107 Ep catheter  
A low profile intravascular electrophysiology (EP) device for the formation of linear lesions which has particular utility in the treatment of atrial fibrillation and flutter. The EP device of the...
6251108 Smooth-surface rotary electrode for HF surgery  
6245068 Resilient radiopaque electrophysiology electrodes and probes including the same  
A coil electrode for use in an electrophysiology probe includes a first material having a relatively high radiopacity and a second material having a relatively high resiliency. This combination...
6241665 Percutaneous mapping system  
A percutaneous mapping system includes a mapping wire, for percutaneous insertion into an internal body cavity, having a plurality of spaced imaging markers; and an insertion device for deploying...
6241724 Systems and methods for creating lesions in body tissue using segmented electrode assemblies  
A multiple electrode array for ablating tissue carries at least two electrode segments that are circumferentially spaced from each other. Insulation electrically isolates the separated electrode...
6240321 Expandable seal for use with medical device and system  
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...
6240307 Endocardial mapping system  
A system for mapping electrical activity of a patient's heart includes a set of electrodes spaced from the heart wall and a set of electrodes in contact with the heart wall. Voltage measurements...
Matches 151 - 200 out of 476 < 1 2 3 4 5 6 7 8 9 10 >