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7620458 |
Sheath and electrical lead
The invention describes a steerable sheath for percutaneous epicardial access. The invention also describes a novel lead to facilitate left ventricular pacing and efficient defibrillation.
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7610073 |
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...
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7606625 |
Method and device for aligning a stent with a stent support
A method for aligning a stent with a stent support includes the steps of (1) placing a stent support and a stent mounted on the stent support in a vertically position with the stent support's first...
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7606609 |
Devices and methods for cardiac mapping of an annular region
A catheter maps an electrical conduction pattern in an annular region of a heart. The catheter has a tubular shaft that has a pre-shaped curved distal section adjacent the distal end thereof, and...
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7596415 |
Medical devices incorporating carbon nanotube material and methods of fabricating same
The present invention relates generally to medical devices; in particular and without limitation, to unique electrodes and/or electrical lead assemblies for stimulating cardiac tissue, muscle...
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7593760 |
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...
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7591817 |
Surgical instrument for tissue resection and dissection
A surgical instrument has a shaft with a longitudinal axis, a proximal end, and a distal end. The shaft is rotatable about its longitudinal axis by user manipulation of the proximal end. A tissue...
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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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7570981 |
System and method for accessing the coronary sinus to facilitate insertion of pacing leads
A guiding catheter system employs an outer jacket with one or more inflation lumens provided along the length of the jacket. The lumens are in fluid communication with one or more fluted balloons...
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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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7561906 |
Electrical lead for an electronic device such as an implantable device
A lead for an electronic device which resists the induction of a current from an electromagnetic field external to said lead includes one or more pairs of adjacent segments of electrical wire, each...
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7551967 |
Implantable medical leads and devices having carbon nanotube-based anti-electrostatic coatings and methods for making such leads and devices
An implantable medical lead for transmitting electrical signals between an implantable medical device and selected body tissue comprises a lead body having a distal end portion, a proximal end and...
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7542955 |
Exercise test interpretation
A system and method for the efficient implementation of a complex exercise test is disclosed. A rule interpreter synthesizes interpretation statements based upon the processing of collected...
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7522950 |
Basket catheter with improved expansion mechanism
A catheter is provided that has a basket-shaped electrode assembly with an improved mechanism for expanding and contracting the electrode array. The expansion mechanism is designed to permit...
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7519410 |
La placian electrode
A medical probe for mapping is provided. The medical probe includes an elongated member, a first mapping ring electrode mounted to the elongated member, and a second mapping ring electrode mounted...
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7507237 |
Catheter
The invention concerns a catheter for intravascular application, comprising a shaft extending along the catheter longitudinal axis from the proximal end to the distal end and having a fluid-tight...
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7493173 |
Electrode line
An electrode line for intraluminal or intracardiac use for connection to a cardiac pacemaker, comprises an elongate, flexurally soft electrode line body having a distal end at which or in the...
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7481808 |
Flexible electrode device and surgical apparatus equipped with same
An electrode device adapted for use in medical devices, such as tissue ablation apparatus, includes a sheet of flexible fabric including at least one surface electrode formed as part of the fabric....
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7474909 |
Apparatus for mapping and coagulating soft tissue in or around body orifices
A probe that may be used to create circumferential lesions in body tissue and, in some implementations, may also be used to perform mapping functions. The probe includes a collapsible/expandable...
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7467075 |
Three-dimensional finite-element code for electrosurgery and thermal ablation simulations
A system and method for performing a simulation of an electrosurgical procedure are disclosed. The method includes the steps of generating a three-dimensional medium, which includes one or more...
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7449018 |
Method and device for performing cooling- or cryo-therapies for, e.g., angioplasty with reduced restenosis or pulmonary vein cell necrosis to inhibit atrial fibrillation employing microporous balloon
An enhanced method and device are provided to inhibit or reduce restenosis following angioplasty or stent placement. A porous balloon-tipped catheter is disposed in the area treated or opened...
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7435248 |
Medical probes for creating and diagnosing circumferential lesions within or around the ostium of a vessel
The present inventions provide assemblies, probes, and methods for creating circumferential lesions in tissue, e.g., the tissue within or around the ostium of a vessel. An ablation probe with an...
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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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7412274 |
Multi-tip steerable catheter
An improved catheter is provided that is particularly useful for simultaneously mapping electrical activity at multiple locations within the heart. The catheter comprises an elongated catheter body...
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7412273 |
Soft linear mapping catheter with stabilizing tip
A catheter adapted for mapping near a tubular region of a heart, has an elongated tubular catheter body having proximal and distal ends, an intermediate section distal of the catheter body, and a...
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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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7389148 |
Electrode design for defibrillation and/or sensing capabilities
A ring electrode for an implantable medical device includes a conductive tubular member adapted to be attached to a lead body and having a continuous generally helical slot formed therein to form a...
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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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7347826 |
Packaging sensors for long term implant
According to this technique of packaging a sensor device implantable in a living body so as to provide protection of the sensor device and to the living body itself, an electrical conductor of the...
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7346389 |
Dilation enhancer with pre-medicated contact lenses
A contact lens with a conductive outer shell (one electrode of a two-electrode electrophoresis device) and a preferably soft, preferably disposable contact lens for contacting a patient's eye,...
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7346379 |
Electrophysiology catheter
An electrophysiology catheter includes a tube having a proximal end, a distal end, and a lumen therebetween. The tube is preferably comprised of multiple sections of different flexibility, arranged...
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7331960 |
Linear ablation assembly
An intravascular device for the formation of linear lesions which has particular utility in the treatment of atrial fibrillation and flutter. The intravascular device has an outer delivery member...
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7310545 |
Method and device to form a sensor using isolated cardiomyocytes
A method and device are described to form a sensor using a cardiomyocyte by advancing a catheter into the tissue of interest, cardiac in the preferred embodiment, and using the catheter to ablate a...
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7306598 |
Polymer matrix devices for treatment of vascular malformations
A system for treating a wide-neck aneurysm comprising a mesh-like sleeve fabricated from a class of polymer filaments that carry conductive particles therein to provide the filaments with a...
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7305270 |
Cardiac pacing/sensing lead providing far-field signal rejection
A proximal end of a lead body carries a connector assembly. A first electrical conductor within the lead body electrically connects a tip electrode to a first electrical contact on the connector...
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7302285 |
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...
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7285117 |
Medical device control systems
A medical device for use by an operator to perform a medical procedure in a body includes a handle to be held by the operator, a shaft attached to the handle and an actuating assembly to control...
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7274957 |
Multifunctional catheter handle
The invention is directed to a multifunctional catheter handle. The handle comprises a handle body and a core mounted within the handle body. A piston is provided having a distal end mounted in the...
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7269453 |
Steerable diagnostic catheters
A diagnostic catheter with a steering device to direct the distal end of the catheter while it is inserted in a vessel. The catheter may include either a bi-directional steering mechanism, or a...
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7263397 |
Method and apparatus for catheter navigation and location and mapping in the heart
A medical system for finding and displaying the location of electrodes within the body. The electrodes may be used to measure the voltage on the heart wall and display this as an activation map on...
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7257435 |
Catheter and method for mapping a pulmonary vein
An improved catheter is provided that is particularly useful for mapping the pulmonary vein and other tubular regions of or near the heart. The catheter comprises an elongated catheter body having...
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7255695 |
Systems and methods for three-dimensional mapping of electrical activity
An electrophysiology catheter and method of use for mapping and ablation procedures. The catheter includes a braided conductive member at its distal end that can be radially expanded.
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7248913 |
Guiding introducer system for use in medical procedures in the left ventricle
A guiding introducer system for use in the treatment of arrhythmia associated with the left ventricle from the ventricular side comprising an inner guiding introducer and an outer guiding...
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7245955 |
Electrophysiology/ablation catheter having deflection assembly
An electrophysiology/ablation catheter assembly includes an elongated flexible casing that received a first catheter deflection assembly. Electrical leads are connected to each electrode on a...
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7242977 |
Catheter lead placement system and method
A catheter system includes a mapping catheter having an open lumen and a mapping arrangement provided at a distal end of the mapping catheter. A balloon catheter is movably disposed within the open...
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7239925 |
Subcutaneous electrode for transthoracic conduction with improved installation characteristics
Electrical cardiac therapy devices including lead electrode assemblies for implantation into a patient comprising an electrode having a first face and a second face, and an appendage extending...
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7236825 |
Cardiac activity sensing during pacing in implantable devices
A method and device for sensing cardiac activity that includes a first plurality of electrodes forming a first electrode configuration to sense cardiac activity, a second plurality of electrodes...
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7234225 |
Method for manufacturing medical device having embedded traces and formed electrodes
Disclosed is a method of manufacturing a catheter or lead having electrically conductive traces and external electrical contacts. Each trace may be in electrical connection with one or more...
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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....
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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...
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