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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...
7519435 Methods for maintaining low impedance of electrodes  
An implantable tissue-stimulating device for an implantee. The device comprising an elongate member having at least one electrode. At least a portion of the device is coated with a coating that at...
7463917 Electrodes for sustained delivery of energy  
Electrodes include a coating that provides a barrier to fluids and ions within a biological environment. The coating increases the overpotential of the electrode. The coating permits the...
7412290 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...
7366573 Polymer lead covering with varied material properties  
This document discusses, among other things, a lead assembly including a lead body, at least one conductor extending through the lead body, and a covering having varied material properties. In an...
7218971 Implantable lead with dissolvable coating for improved fixation and extraction  
A cardiac rhythm management system provides an endocardial cardiac rhythm management lead with an at least partially dissolvable coating at least partially on insulating portions of the lead body...
7197362 Cardiac lead having coated fixation arrangement  
Implantable cardiac monitoring and stimulation devices and methods using cardiac leads employ coated fixation arrangements. The coating, such as an expanded polytetrafluoroethylene, reduces exit...
7191009 Means for increasing implantable medical device electrode surface area  
A surface area of an IMD electrode is increased by forming a conductive layer over an external portion of a sidewall of an IMD connector header and electrically coupling the conductive layer of the...
7123969 Lead having one or more low polarization electrodes  
A low-polarization electrode for use with an implantable lead. The low polarization electrode comprises a base substrate of a conductive material, an intermediate layer of a high dielectric layer...
6980865 Implantable shielded medical device  
An implantable device that contains a power source, a device for producing electrical signals, and a conductor assembly for communicating the electrical signals to biological matter. The conductor...
6949763 Semiconductor and non-semiconductor non-diffusion-governed bioelectrodes  
An implantable electrode and electrode system for contacting living biological material that includes an electrode assembly including at least a portion of the electrode, adapted to contact the...
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...
6856840 Ionically conductive polymeric composition  
An ionically conductive polymeric composition is disclosed. The composition is especially useful for coating an implantable hot can defibrillator electrode. The polymeric composition, for example,...
6799076 Coated electrode and method of making a coated electrode  
An electrode having a substrate with a first layer covering at least a portion of the substrate, and a second layer covering at least a portion of the first layer is disclosed. The first layer...
6546292 High impedance, low polarization cardiac electrode  
A layered electrode having a large tissue contact area of the portion of the electrode that is electrically active and providing low polarization losses, high pacing impedance and low chronic...
6430448 Stimulating electrode having low polarization and method of making same  
An implantable stimulating electrode for directly contacting the endocardium of a human heart exhibits low polarization values of less than about 0.3 mV and is intended for use with an implantable...
6370427 Method and apparatus for dual chamber bi-ventricular pacing and defibrillation  
Device and method are disclosed in which leads with pacing and defibrillating electrodes are implanted into both the right and left ventricles of a patient's heart to enable simultaneous pacing of...
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...
6295474 Defibrillator housing with conductive polymer coating  
An ionically conductive polymeric composition for coating a hot can defibrillator electrode. A polymeric coating, such as polyethylene oxide containing NaCl or a similar ionic medium, coats and...
6292704 High capacitance myocardial electrodes  
A removable lead for applying electrical signals to excitable tissue in a body of a subject, including at least one conductive wire and at least one electrode fixed to the wire. The electrode...
6240320 Cardiac lead with zone insulated electrodes  
An electrode for a cardiac lead and method of making the same are provided. The electrode includes an electrode member and a coating applied to the electrode member. The coating is composed of an...
6181972 High impedance lead for implantable medical devices  
A lead with an increased impedance for an active implantable medical device, in particular for a pacemaker. The lead comprises a cylindrical body (14) presenting at its distal end a contact surface...
5964794 Implantable stimulation electrode  
An implantable stimulation electrode for use with an implantable tissue stimulator, in particular a pacemaker, defibrillator, bone or neurostimulator, having a metal substrate body and a coating,...
5902329 Explantable lead  
An extractable lead and method for chronic blood contacting use. The new lead contains a hydrogel coating having a thickness increase greater than 10% when hydrated. A thick coating is used to...
5861023 Thrombus and tissue ingrowth inhibiting overlays for defibrillator shocking coil electrodes  
An implantable lead includes a distal portion carrying a tissue-stimulating electrode having an outer surface and an inner surface, at least a portion of the outer surface of the electrode being...
5853424 Method of and apparatus for preventing tissue ingrowth in infusion catheters  
A weak, positive electric charge is induced at the distal or discharge end of an infusion catheter to inhibit tissue ingrowth relative to the discharge opening. The charge may be induced by...
5849031 Method and apparatus for termination of tachyarrhythmias  
An implantable medical lead for use with an implantable cardioverter defibrillator, a method of manufacture and a system employing the lead and cardioverter/defibrillator in combination. The lead...
5824056 Implantable medical device formed from a refractory metal having a thin coating disposed thereon  
An implantable medical device formed from a drawn refractory metal and having an improved biocompatible surface is described. The method by which the device is made includes coating a refractory...
5824016 Medical device used to stimulate tissue  
An implantable medical device has a pulse generator for generating electrical pulses, an electrical energy storage element connectable to an output stage, and an electrode arrangement for...
5755762 Medical lead and method of making and using  
A continuous sheath of open-celled porous plastic, preferably ePTFE, is used on the outside of an implantable lead, extending along the lead body and the electrodes, in such a way that the lead is...
5713945 Implantable lead modified to reduce tissue ingrowth  
An implantable lead for use with an implantable pacemaker/cardioverter/defibrillator. Since irradiation from a radioisotope source is capable of inhibiting the growth of hyperproliferating cells as...
5683443 Implantable stimulation electrodes with non-native metal oxide coating mixtures  
The invention relates to an improved stimulation electrode for cardiac pacing and defibrillating, methods of manufacturing same, and methods of using same. Specifically, the electrodes of the...
5603731 Method and apparatus for thwarting thrombosis  
Thrombosis in a blood vessel is prevented in a patient's body by the steps of positioning an electrically conductive member in an expanded portion of the blood vessel, at a site where the body is...
5571158 Stimulation Electrode  
A stimulation electrode having a porous surface coating whose active surface area is significantly greater than the surface area defined by the geometric shape of the electrode, wherein the surface...
5554179 Implantable difibrillator electrode  
In an implantable defibrillator electrode having a large surfaced electrode in the form of a netting, a spiral, or a fabric of electronically conductive material or having an intracardial electrode...
5551427 Implantable device for the effective elimination of cardiac arrhythmogenic sites  
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...
5458632 Implantable device and materials  
The invention relates to implantable devices and materials, in which at least one part of the surface is provided with a tissue-plasminogen activator (t-PA). In this way, inflammatory reactions of...
5405373 Electrode device for intracorporeal tissue stimulation  
An electrode device for intracorporeal tissue stimulation, such as for intracardiac stimulation of heart tissue, includes an electrode cable containing at least one elongated, insulated conductor,...
5318572 High efficiency tissue stimulating and signal sensing electrode  
A pacing lead having a porous electrode of platinum-iridium with recessed areas or grooves formed into the surface. The grooves allow for acute electrode stabilization as a result of clot formation...
5282844 High impedance, low polarization, low threshold miniature steriod eluting pacing lead electrodes  
A small diameter, unipolar or bipolar, atrial or ventricular transvenous or epimyocardial pacing lead with a porous, platinized, steroid eluting cathode electrode exhibiting an effective surface...
5181526 Electrode for human heart pacemaker  
Disclosed herein is an electrode for human heart pacemaker comprising an electrode substrate prepared by Pt or a Pt alloy, Ti or a Ti alloy and a mixture of platinum and a platinum group metal...
5143089 Assembly and method of communicating electrical signals between electrical therapeutic systems and body tissue  
This invention provides improved electrode structures for electrically communicating between electrical therapeutic equipment and internal body tissue. Bundles of highly flexible, highly...
4936317 Cardiovascular prosthetic devices and implants with porous systems  
Novel cardiovascular prosthetic devices or implants having many useful cardiovascular applications comprise a porous surface and a network of interconnected interstitial pores below the surface in...
4919135 Triaxial electrode  
A lead assembly for a cardiac pacemaker is formed by an electrical conductor having one end connected to the pacemaker and a heart engaging electrode member attached to the opposite end. The...
4534366 Carbon fiber pacing electrode  
An improved electrode tip (16) is disclosed which utilizes a plurality of carbon fibers (30) to form a portion of the electrode tip. These carbon fibers (30) are utilized to sense electrical...
4502492 Low-polarization low-threshold electrode  
A low-polarization electrode for use in medical stimulation leads. The electrode is provided with grooving and is coated with platinum black.
4440178 Implantable electrode  
A porous electrode, particularly a cardiac pacemaker electrode is described which is implantable in organic tissue. The electrode has a sintered member made of electrically conductive particles. In...
4408604 Porous pacemaker electrode tip  
A porous cardiac pacemaker electrode comprising a concavo-convex electrode cap having a plurality of apertures therethrough and an electrode shaft having a supporting edge formed thereon to which...
4407302 Cardiac pacemaker electrode tip structure  
A cardiac pacemaker electrode including an electrode tip having an external surface with a concave region formed therein to increase the pacing impedance thereof. Further, the external surface of...
4352360 Semiconductor low-threshhold electrode  
An electrode for a body implantable lead having a semiconductor surface for the coupling of electrical signals to the body tissue. A first approach uses several materials of differing...
Matches 1 - 50 out of 60 1 2 >