| Entries |
| Document | Title | Date |
|---|
| 20080249595 | Electrophysiology Catheter With Improved Tip Electrode - An EP catheter includes a tip electrode having a core primarily comprised of copper with an outer layer of a biocompatible metal disposed thereon exhibits appropriate electrical and thermal conduction characteristics while being cost-effective to produce. Alternatively, an inner layer of a biocompatible metal is disposed on the inside of the primarily copper core. Such a tip electrode may also be provided with irrigation lumens. Such a tip electrode could be manufactured from sheets of metal that upon extrusion would comprise the outer layer, core and optional inner layer respectively. | 10-09-2008 |
| 20080262585 | IMPLANTABLE MEDICAL ELECTRICAL LEAD AND CONNECTOR ASSEMBLY - An implantable medical system that includes an implantable electrical lead having a lead body having a connector portion wherein at least the connector portion of the lead body has an axial cross section that is substantially non-circular; and a connector block that is configured to be operably coupled to the implantable electrical lead, wherein the connector block includes a lumen having an inner surface that is configured to be complementary to the outer surface of at least the connector portion of the lead body. Leads and connector blocks are also discussed. | 10-23-2008 |
| 20080269862 | Extension and retraction mechanism for a hand-held device - The disclosure describes a hand-held device that utilizes a mechanical lever system to operate the device with a single hand. The mechanical lever system is coupled to a sliding element within the housing of the hand-held device that slides linearly. The sliding element may be attached to another element that is extended, retracted, or rotated in or out of the device. For example, the hand-held device may be used for prostate ablation therapy. The hand-held device may include an ablation needle electrode that is extended out of a catheter and into a tissue of a patient by depressing an extension lever of the mechanical lever system to deliver ablation therapy. Depressing a retraction lever of the mechanical lever system may retract the needle electrode back into the catheter of the hand-held device. Other variations of the mechanical system and applications of the hand-held device are also described. | 10-30-2008 |
| 20080281391 | Mapping and Ablation Method for the Treatment of Ventricular Tachycardia - An apparatus for mapping and/or ablating tissue includes a braided conductive member that that may be inverted to provide a ring-shaped surface. When a distal tip of the braided conductive member is retracted within the braided conductive member, the lack of a protrusion allows the ring-shaped surface to contact a tissue wall such as a cardiac wall. In an alternative configuration, the braided conductive member may be configured with the distal portion forming a proboscis that can be used to stably position the braided conductive member relative to a blood vessel, such as a ventricular outflow tract. The braided conductive member has a plurality of electronically active sites that may be accessed individually for stable mapping over a broad area for stable mapping or ablation to form broad and deep lesions. | 11-13-2008 |
| 20080288039 | SYSTEMS AND METHODS FOR FIXATING TRANSVENOUSLY IMPLANTED MEDICAL DEVICES - A transvenously implantable medical device (TIMD) includes an electrical lead and a control module. The electrical lead includes one or more electrodes and is adapted for transvenous implantation. The electrical lead is also pre-biased to expand from a collapsed state to an expanded state to mechanically engage an internal wall of a blood vessel. The control module is secured to and in electrical communication with the electrical lead. The control module includes a signal management component and a power component disposed in a housing adapted for implantation into the blood vessel. The control module is adapted for at least one of stimulating and sensing a physiologic response using the one or more electrodes of the electrical lead. | 11-20-2008 |
| 20080312726 | Implantable Hermetically Sealed Structures - Implantable hermetically sealed structures and methods for making the same are provided. Also provided are devices, systems and kits including the hermetically sealed structures, as well as methods of using such devices and systems. | 12-18-2008 |
| 20090005845 | Intra-Atrial parasympathetic stimulation - A method is provided, including implanting in an atrial wall of a subject, from within an atrium, a first electrode contact in a vicinity of a parasympathetic epicardial fat pad of the subject, and implanting a second electrode contact in a body of the subject outside of a heart and a circulatory system. A current is driven between the first and second electrode contacts, and configured to cause parasympathetic activation of the fat pad. Other embodiments are also described. | 01-01-2009 |
| 20090018632 | DESIGN-RULE MEDIATED LEAD PLACEMENT - Aspects of the invention include design rule mediated lead placement methods. Also disclosed are methods of using the resultant positioned leads, e.g., e.g., during evaluation of tissue motion, such as of a cardiac tissue motion, e.g., heart wall motion, via electric tomography, are provided. Also provided are devices and systems for practicing the subject methods. In certain embodiments, innovative data processing and display protocols, as well as systems that provided for the same, are provided. The subject methods, devices and systems find use in a variety of different applications, such as cardiac related applications, e.g., cardiac resynchronization therapy, and other applications. | 01-15-2009 |
| 20090036961 | MEDICAL USE ELECTRICAL LEAD INCLUDING A RADIO OPAGUE MARKER - A medical use electrical lead | 02-05-2009 |
| 20090043368 | Miniature circular mapping catheter - A cardiac ablation device, including a catheter and an expandable ablation element incorporating one or more balloons at the distal end of the catheter, has a continuous passageway extending through it from the proximal end of the catheter to the distal side of the expandable ablation element. A probe carrying electrodes is introduced through this passageway and deploys, under the influence of its own resilience, to a structure incorporating a loop which is automatically aligned with the axis of the expandable ablation device, so that minimal manipulation is required to place the probe. The probe may have an atraumatic tip with a ball formed at the leading edge. The atraumatic tip prevents any tissue damage such as perforation of heart wall. | 02-12-2009 |
| 20090062895 | MEDICAL DEVICE ELECTRODES INCLUDING NANOSTRUCTURES - Electrodes for tissue stimulation and sensing can comprise a support with nanostructures disposed on the support. Pairs of the electrodes can be placed in close proximity to one another. When electrical energy is supplied to the electrodes, an electrical field (and possibly an electrical current) can be established between the nanostructures on the electrodes. The nanostructures may have cells disposed thereon, for example myocardial cells, myocardial progenitor cells, neural cells and/or stem cells. In addition, the electrodes can be arranged in arrays. | 03-05-2009 |
| 20090076577 | MEDICAL ELECTRICAL LEAD - A medical device lead is presented. The lead includes one or more jacketed conductive elements. The jacket comprises one or more covers. A first cover of polyether ketone (PEEK) is in direct contact with the at least one conductive element. At least one conductive element and a PEEK cover are coiled. The coiled conductive element can substantially retain its original coiled shape. | 03-19-2009 |
| 20090076578 | MEDICAL ELECTRICAL LEAD - A medical device lead is presented. The lead includes one or more jacketed conductive elements. The jacket comprises one or more covers. A first cover of polytetrafluoroethylene (PTFE) is in direct contact with the at least one conductive element. At least one conductive element and a PTFE cover are coiled. The coiled conductive element can substantially retain its original coiled shape. | 03-19-2009 |
| 20090076579 | MEDICAL ELECTRICAL LEAD - A medical device lead is presented. The lead includes one or more jacketed conductive elements. The jacket comprises one or more covers. A first cover of expanded polytetrafluoroethylene (ePTFE) is in direct contact with the at least one conductive element. At least one conductive element and a ePTFE cover are coiled. The coiled conductive element can substantially retain its original coiled shape. | 03-19-2009 |
| 20090099635 | STIMULATION AND SENSING LEAD WITH NON-COILED WIRE CONSTRUCTION - A cardiac rhythm management device that can comprise a lead and a pulse generator. The lead can comprise lead body, a composite conductor, a stylet guide, two or more electrodes and a proximal connector. The composite conductor can comprise two or more conductors which can electrically couple the electrodes to the proximal connector. The electrodes can be disposed on a distal portion of the lead body and can be longitudinally spaced from one another. The proximal connector can be configured to couple to the pulse generator. | 04-16-2009 |
| 20090118808 | Implantable Medical Lead - An implantable medical lead includes a device, such as a physiological sensor, that is coupled to one or more stimulation/sensing sensing conductors within the lead. When the implantable medical lead is coupled to an implantable medical device, the device carried by the lead both receives power from, and communicates with the implantable medical device via the one or more stimulation/sensing sensing conductors. Each of the one or more stimulation/sensing sensing conductors is also coupled to an electrode that is exposed to body tissue. | 05-07-2009 |
| 20090125090 | IMPLANTABLE MEDICAL LEAD - An implantable lead for sensing mechanical activity of a human heart has an insulating polymeric tube extending from a proximal end to a distal end of the lead, an electrical conductor provided in the lumen of the polymeric tube, and a sensor connected to the conductor at the distal end thereof. The polymeric tube is provided with a conductive surface layer along the inner face between the polymeric tube and the electrical conductor, the conductive surface layer being in electrical contact with this conductor. Accumulation of electrical charges between the electric conductor and the polymeric tube is thereby prevented. | 05-14-2009 |
| 20090143847 | ELECTRODE LEAD FOR IMPLANTATION INTO A SMALL HEART VESSEL - An electrode lead for implantation into a small heart vessel, especially into a coronary sinus, is provided with an elongated outer insulating lead body ( | 06-04-2009 |
| 20090149934 | IMPLANTABLE LEAD WITH SHIELDING - Medical device leads with magnetic shielding and methods of shielding medical device leads from magnetic fields during medical procedures such as magnetic resonance imaging (MRI) are described. An illustrative implantable medical device includes a lead including a lead conductor having a length and a helically coiled ribbon shield radially surrounding the lead conductor along at least a portion of the length of the lead. The ribbon shield can include one or more inner ribbon conductors and/or one or more outer ribbon conductors. The outer ribbon conductor can have a variable width (e.g., a necked-down configuration, an arrowhead configuration, or an undulating configuration) along the length of the lead. In some cases, the helically coiled ribbon has a variable pitch along the length of the lead that may be the same as or different from that of the lead conductor pitch. | 06-11-2009 |
| 20090204194 | MEDICAL SYSTEM INCLUDING A NOVEL BIPOLAR PACING PAIR - A medical system includes a first low voltage electrode adapted for intimate contact with tissue at an implant site, in order to provide pacing stimulation in conjunction with a second low voltage electrode. A porous layer is formed over the second electrode; the porous layer allows conduction therethrough while preventing contact between the second electrode and tissue in proximity to the implant site. | 08-13-2009 |
| 20090248127 | IMPLANTABLE MEDICAL ELECTRICAL LEAD BODIES PROVIDING IMPROVED ELECTRODE CONTACT - A distal section of an implantable medical electrical lead body includes a pair of pre-formed arcuate segments between which an approximately straight segment extends. The approximately straight segment includes a first portion extending distally from a first of the pair pre-formed arcuate segments, a second portion extending from the first portion, a third portion extending from the second to a second of the pair pre-formed arcuate segments. An electrode is coupled to the second portion of the approximately straight segment, and the adjacent first portion has a stiffness which is less than that of the first of the pair pre-formed arcuate segments and preferably less than the stiffness of the third portion, so that, when the distal section of the lead body is implanted, for example, within a cardiac vein, the lead buckles to bring the electrode into closer contact with surrounding tissue. | 10-01-2009 |
| 20090259282 | EXTENDABLE IMLPANTABLE ELONGATED MEMBER - An extendable medical lead comprises a lead body and a sheath defining a cavity that encloses a length of the lead body. The length of the lead body enclosed within the sheath may be coiled or otherwise gathered such that when extended, the length of the enclosed section of the lead body is greater than the length of the sheath. The sheath may include a seal to help prevent contaminant entry into the cavity in order to help reduce tissue in growth around the length of the lead body disposed within the sheath. A portion of the length of the lead body enclosed within the sheath exits the cavity through an aperture defined by the seal when a tensile force is applied to the lead body. | 10-15-2009 |
| 20090264974 | PULMONARY ARTERY LEAD FOR ATRIAL THERAPY AND ATRIAL PACING AND SENSING - A lead includes a lead body extending from a proximal end to a distal end and having an intermediate portion. A shocking electrode is disposed proximate the distal end of the lead body, and a pacing electrode is disposed along the intermediate portion of the lead body. The distal end of the lead body includes a preformed biased shape. | 10-22-2009 |
| 20090281607 | LEAD ASSEMBLY AND RELATED METHODS - Defibrillator lead designs and methods for manufacturing a lead having attachment between a fibrosis-limiting material covering, a shocking coil electrode, and an implantable lead body are disclosed herein. An electrode coil fitting is disposed within the shocking coil electrode. In an option, the fibrosis limiting material extends past the ends of the electrode coil, and is wrapped between the coil electrode and the electrode coil member. | 11-12-2009 |
| 20090306752 | IMPLANTABLE MEDICAL DEVICE ELECTRICAL LEAD CONDUCTOR INSULATION AND PROCESS FOR FORMING - An implantable medical device that includes a lead body extending from a proximal end to a distal end, a plurality of conductors extending between the proximal end and the distal end of the lead body, and an insulative layer formed of a hydrolytically stable polyimide material surrounding the plurality of conductors. In one embodiment, the hydrolytically stable polyimide material is an Si polyimide material. | 12-10-2009 |
| 20090326630 | LEAD DELIVERY DEVICE AND METHOD - A medical apparatus includes an electrically conductive lead for a medical device, the lead having an internal bore terminating at a distal lead opening, and a lead delivery device for delivering the distal end of the lead to a blood vessel during implantation of the lead. The lead delivery device includes a removably anchorable guidewire, and a fixator attached to a distal portion of the guidewire for anchoring the guidewire. The fixator is movable between a compact configuration and an expanded configuration. The fixator is capable of passing through the distal lead opening of the lead in the compact configuration. The fixator is capable of exerting a holding force in the range of about 0.89 to 4.45 N in the lumen of the blood vessel in the expanded configuration. | 12-31-2009 |
| 20090326631 | LEAD DELIVERY DEVICE AND METHOD - A lead delivery apparatus includes an electrically conductive lead for an implantable medical device, a delivery shaft for delivering the lead to a target site, a fixator and a pulley structure. A flexible member is coupled to the delivery shaft and the lead and engages the pulley structure such that pulling a first portion of the flexible member moves the lead to the target site. | 12-31-2009 |
| 20100010606 | IMPLANTABLE MEDICAL LEAD INCLUDING A SENSOR - Disclosed herein is an implantable medical lead. In one embodiment, the lead includes a tubular body, a sensor module, and a distal crimp sleeve. The tubular body includes a distal end and a proximal end. The sensor module includes a sensor and a housing enclosing the sensor. The housing is operably coupled to the tubular body and includes a distal end cap. The distal crimp sleeve is operably coupled to the distal end cap and extends proximally therefrom. The longitudinal axis of the distal crimp sleeve is generally parallel to a longitudinal axis of the housing. | 01-14-2010 |
| 20100010607 | IMPLANTABLE ELECTRODE LINE OR ELECTRODE LINE CONFIGURATION - An implantable line, in particular an electrode line and/or sensor line and/or medicine supply line for implantation in the left ventricle of the heart with perforation of the atrial or ventricular septum, includes an elongated flexible line body, an electrode and/or a sensor and/or a medicine administering device at or near the distal end of the line body, and a closure element integrally molded on the line body or connected thereto for sealing the perforation site in the septum. | 01-14-2010 |
| 20100010608 | Guide Wire Stylet - A cardiac lead system includes a cardiac lead having a lumen, and a guide member displaceable within the lumen. The guide member includes a guide wire extension that extends distal to the elongated body of the guide member. The guide wire extension is dimensioned to pass through an external distal opening of the cardiac lead lumen. Engagement of stop features or a stop mechanism of the cardiac lead system provides a push point for advancing the cardiac lead system through the patient's anatomy. | 01-14-2010 |
| 20100030312 | METHOD AND APPARATUS FOR LEAD LENGTH DETERMINATION - A method and apparatus for positioning a lead within an anatomy is disclosed. The apparatus can be tracked relative to the anatomy to determine the position of selected portions of the anatomy. The positions of the portions of the anatomy can be used in determining an appropriate lead length to be positioned within the anatomy. Additionally, a determination of a lead length can be based upon statistical or acquired data of a selected population, according to an appropriate method. | 02-04-2010 |
| 20100049288 | CORONARY VEIN LEAD HAVING PRE-FORMED BIASED PORTIONS FOR FIXATION - A lead having pre-formed biased portion is adapted for implantation on or about the heart within the coronary vasculature and for connection to a signal generator. The lead is constructed and arranged so that when it is implanted, the electrodes are housed in the coronary vasculature and are biased toward a vessel wall by the preformed biased portion, which operates to fixate the lead against the vessel wall. | 02-25-2010 |
| 20100125321 | EPTFE FILL OF COIL FILAR GAPS - A medical electrical lead includes a coiled electrode. In one example, the coiled electrode includes two conductive filars wound in parallel to define a plurality of turns and a gap between each turn. A polymeric filling is disposed in at least some of the gaps existing between each of the turns. The polymeric filling can include multiple layers of a thin polymeric film or a non-conductive, polymeric filar. The coiled electrode also includes a polymeric covering disposed over the outer surface of the electrode. The polymeric covering is bonded to the polymeric filling disposed in the gaps. The polymeric film includes a non-expanded polymer and the polymeric cover includes an expanded polymer. In some examples the non-expanded polymer is polytetrafluoroethylene (PTFE) and the non-expanded polymer is expanded polytetrafluoroethylene (ePTFE). | 05-20-2010 |
| 20100137965 | Coronary sinus lead for pacing the left atrium - A method of inserting a pacing lead having a preformed shape into a coronary sinus to pace the left atrium includes providing a lead having an elongated body and proximal and tip sections. The sections are configured such that a first angle less than 90 degrees is defined between the lead body and proximal section and a second angle is defined between the tip and proximal sections. The method further comprises advancing the pacing wire towards the opening of the coronary sinus and advancing the wire into the coronary sinus, such that the first angle is compressed by the coronary sinus opening and a tip electrode included on the tip section contacts the wall of the coronary sinus near the left atrium operably extending the second angle to assure constant contact between the wall of the coronary sinus and the tip electrode. | 06-03-2010 |
| 20100191315 | INNER AND OUTER TELESCOPING CATHETER DELIVERY SYSTEM AND METHOD - A method of delivering a payload to a destination vessel branching from a coronary sinus of a patient's heart. The method comprises inserting a catheter assembly into a right atrium of the patient's heart. The catheter assembly comprises an outer catheter and an inner catheter movably disposed within the open lumen of the outer catheter. The inner and outer catheters are operable to be rotated and translated relative to one another such that the distal end of the outer catheter can assume a selectable plurality of shapes appropriate for accessing the coronary sinus. The method further comprises locating and cannulating the patient's coronary sinus by adjusting a relative orientation or longitudinal position of the inner catheter relative to the outer catheter, longitudinally sliding the outer catheter over the distal end of the inner catheter to deep seat the outer catheter within the patient's coronary sinus, and delivering a payload to the destination vessel through the outer catheter or the inner catheter. | 07-29-2010 |
| 20100204767 | SMALL CALIBER IMPLANTABLE BIOMETRIC LEADS AND CABLES FOR SAME - Implantable medical leads have reduced diameter while providing for optimized mechanical and electrical properties, by reducing the diameters of the conducting cables used within the leads for sensing and delivery of therapeutic electrical stimulation. In an embodiment, conducting filaments within a cable have oval cross-sectional areas. Suitably orienting the oval filaments increases the contact surface between adjacent filaments, broadly distributing the pressure between filaments and reducing fretting fatigue, while the oval cross-sectional area also increases conductivity. In an embodiment, non-conducting coatings around filaments within a cable, or around groups of filaments organized into cable-layers, reduce fretting fatigue. In an embodiment, the cross-sectional area of filaments decreases as the filaments are positioned at increasing radial distances from the center of the cable. In an embodiment, the relative composition of various filament metals and/or alloys is varied in filaments at different radial distances from the center of the cable. | 08-12-2010 |
| 20100228330 | LEAD CONFIGURED FOR HISIAN, PARA-HISIAN, RV SEPTUM AND RV OUTFLOW TRACT PACING - Disclosed herein is an implantable medical lead for implantation within a right ventricle of a heart and powered by an implantable pulse generator. The lead includes a lead body having a proximal end configured to couple to the generator, a distal end, an electrode at the distal end, and a distal portion extending proximally from the distal end. When the distal portion is in a non-deflected state, the distal portion biases to assume a configuration including first, second and third generally straight segments and first and second bends. The first segment is proximal of the distal end, the second segment is proximal of the first segment, the third segment is proximal of the second segment, the first bend is between the first and second segments, and the second bend is between the second and third segments. When the distal portion is implanted in the right ventricle, the configuration is at least partially the cause of the electrode being at least one of: positioned against the right ventricle septum; positioned in the outflow tract of the right ventricle; positioned for Hisian pacing; and positioned for para-Hisian pacing. | 09-09-2010 |
| 20100228331 | IMPLANTABLE MEDICAL LEAD HAVING A BODY WITH HELICAL CABLE CONDUCTOR CONSTRUCTION AND METHOD OF MAKING SAME - Disclosed herein is an implantable medical lead. The lead may include a longitudinally extending body having a distal end, a proximal end, a helical core assembly extending between the distal and proximal ends, and an outer jacket about the helical core assembly. The helical core assembly may have at least one helical ridge. In some instances, the at least one helical ridge may be at least two helical ridges and the helical core may further include least two helical troughs. In some such cases, the at least two helical ridges may define the at least two helical troughs. | 09-09-2010 |
| 20100241209 | CONDUCTIVE POLYMER SHEATH ON DEFIBRILLATOR SHOCKING COILS - An implantable lead includes a distal portion carrying a tissue stimulating electrode, at least a portion of its outer surface being adapted to stimulate cardiac tissue, wherein the electrode is covered by a pliable, electrically conductive sheath. The sheath is made of an electrically conductive material that does not rely on porosity for electrical charge transfer. The sheath is constructed and arranged to minimize or eliminate tissue ingrowth while passing sufficient electrical energy to stimulate the tissue. | 09-23-2010 |
| 20100305675 | LEADS FOR SELECTIVE SENSING AND VIRTUAL ELECTRODES - Selective sensing implantable medical leads include pulsing and sensing portions and pulsing and not sensing portion. Leads and electrodes may be used in defibrillation and as integrated bipolar defibrillation electrodes. An entire electrode can pass charge while a valve metal or valve metal oxide portion of the electrode prevents the entire electrode from sensing, effectively rejecting unwanted signals. Differential conduction pathways, due to the valve metal and/or oxides thereof, cause the portions of the electrodes to conduct differently when used anodically and cathodically. Complex intracardiac electrical gradient can be formed along with a number of virtual electrodes within the tissue. Reentrant loops can thereby be pinned following defibrillation shock. | 12-02-2010 |
| 20100318166 | METHODS AND SYSTEMS FOR ANTI-THROMBOTIC INTRAVASCULAR IMPLANTABLE DEVICES - An implantable intravascular medical device, and methods related to the implantable intravascular device, includes a plurality of containers connected by flex couplers which are configured for implantation in such a manner as to improve vascular response and reduce thrombosis resulting from chronic implantation of the device. | 12-16-2010 |
| 20110004285 | SYSTEM AND METHOD FOR CARDIAC LEAD - An implantable medical device (IMD) can include implantable pulse generator (IPG) devices, implantable cardioverter-defibrillators (ICD), cardiac resynchronization therapy defibrillator devices, neurostimulators or combinations thereof. In one example, the IMD can include a body assembly, which can provide at least one electrical signal corresponding to a therapy. The IMD can also include a cardiac lead assembly, which can have a proximal portion and a distal portion. The proximal portion of the cardiac lead assembly can be in communication with the body assembly to receive the therapy and the distal portion can be adapted to be coupled to an anatomical structure to transmit the at least one electrical signal to the anatomical structure. The proximal portion of the cardiac lead assembly can have a first stiffness and the distal portion can have a second stiffness. The first stiffness can be greater than the second stiffness. | 01-06-2011 |
| 20110004286 | SYSTEM AND METHOD FOR CARDIAC LEAD - An implantable medical device (IMD) can include implantable pulse generator (IPG) devices, implantable cardioverter-defibrillators (ICD), cardiac resynchronization therapy defibrillator devices, neurostimulators or combinations thereof. The IMD can also include a cardiac lead assembly in communication with the body assembly to transmit the at least one electrical signal to an anatomical structure. The cardiac lead assembly can include a first sleeve, which can have a distal end, a proximal end, and a surface therebetween. The surface can define a plurality of annular ribs along the distal end and can have a channel defined between each pair of adjacent ribs. An electrode can be coupled to the surface of the first sleeve adjacent to the distal end such that at least one channel is fillable with an adhesive to couple a second sleeve to the first sleeve. | 01-06-2011 |
| 20110029057 | IMPLANTABLE CATHETER LEAD OR ELECTRODE LEAD - An implantable catheter lead or electrode lead includes an elongated flexible lead body with the fixation means attached to the lead body, for the purpose of effecting fixation of the catheter lead or electrode lead in a predetermined position within a vessel or a bodily cavity of a patient. A releasable attachment is provided between the lead body and the fixation means such that an explantation of the catheter lead or electrode lead is possible after the attachment is released while the fixation means remains in place within the body of the patient. | 02-03-2011 |
| 20110034983 | IMPLANTABLE MEDICAL DEVICE LEAD INCORPORATING A CONDUCTIVE SHEATH SURROUNDING INSULATED COILS TO REDUCE LEAD HEATING DURING MRI - A conducting sheath is provided along at least a portion of an implantable medical device lead, and preferably along substantially its entire length, for mitigating heating problems arising during magnetic resonance imaging (MRI) procedures, particularly problems arising due to a problem described herein as the “coiling effect.” During device implant, the clinician may elect to wrap or coil excess proximal portions of leads around or under the medical device being implanted. Thereafter, during MRI procedures, shunt capacitance may develop between the housing of the implantable device and insulated coils within the proximal portions of the lead that are near the device, resulting in greater lead heating during the MRI. The conducting sheath helps suppress induced currents and also reduces or eliminates shunt capacitance. The conducting sheath may be, for example, formed using a metal mesh or a conducting polymer tube incorporating non-ferrous metal powders. The sheath may be formed in ¼ wavelength segments. | 02-10-2011 |
| 20110034984 | DEVICE FOR THE DEFIBRILLATION OF A HEART - In a device ( | 02-10-2011 |
| 20110071607 | IMPLANTABLE MEDICAL LEAD AND METHOD OF MAKING SAME - An implantable medical lead is disclosed herein. The lead may include a longitudinally extending body, an electrical conductor, a tube and an electrical component, such as, for example, an electrode for sensing or pacing, a defibrillation coil, a strain gage, a pressure sensor, a piezoelectric sensor, an integrated chip, an inductor, etc. The body may include a distal end and a proximal end. The electrical conductor may extend through the body between the proximal end and the distal end. The tube may be swaged about an outer circumferential portion of the electrical conductor. The electrical component may be on the body and electrically connected to the tube. | 03-24-2011 |
| 20110071608 | GUIDEWIRE-STYLE PACING LEAD - The present invention relates generally to implantable pacing leads, and more particularly to guidewire-styled temporary transvenous endocardial leads for pacing or other medical applications. | 03-24-2011 |
| 20110071609 | BIASING AND FIXATION FEATURES ON LEADS - A lead assembly for placement in a coronary vessel of the heart, the coronary vessel having a pericardial wall portion and a myocardial wall portion. The lead assembly comprises a lead body extending from a proximal end adapted for coupling to a pulse generator to a distal end adapted for implantation in the heart, an electrode positioned at the distal end of the lead body, and a loop biasing feature located at the distal end of the lead body. The loop biasing feature includes a resilient loop positioned to bias a portion of the electrode towards the myocardial wall portion of the coronary vessel by exerting a force against the pericardial wall portion. The loop biasing feature further includes a collar for coupling the loop biasing feature to the lead body. A method of implanting the lead assembly. | 03-24-2011 |
| 20110082532 | ADAPTER FOR RAPID CONNECTION OF PACEMAKER-ELECTRODE CATHETER - The present invention concerns an adapter which allows a rapid connection between a pacemaker and an electrode catheter, thus allowing the convenient performance of the necessary intraoperatory measurements. This adapter comprises a block of insulating material | 04-07-2011 |
| 20110093054 | MRI COMPATIBLE TACHYCARDIA LEAD - A medical device lead includes a proximal connector configured to couple the lead to a pulse generator, an insulative lead body extending distally from the proximal connector, and a conductor assembly extending distally from the proximal connector within the lead body. The conductor assembly includes a conductor having a proximal end electrically coupled to the connector and a distal end electrically coupled to a defibrillation coil. A first portion of the defibrillation coil is exposed at an outer surface of the medical device lead and a second portion of the defibrillation coil is insulated at the outer surface of the medical device lead. | 04-21-2011 |
| 20110152989 | SOFT ABRASION-RESISTANT POLYISOBUTYLENE URETHANE COPOLYMERS - A polyisobutylene polyurethane (PIBU) copolymer comprising a polyisobutylene (PIB) having a molecular weight of about 400 to about 5,000 daltons; a hard segment (PU) formed from reacting the PIB with diisocyanates and from reacting one of the diisocyanate linked to the PIB with a chain extender. The chain extender has a length based on a number of carbon atoms in the chain extender. A shore hardness of the PIBU copolymer is determined, in part, by either one or more of a PIB:PU ratio, the length of PIB, the type of diisocyanate, and the type and length of the chain extender. | 06-23-2011 |
| 20110196464 | Pacemaker Lead and Method of Making Same - An improved pacemaker lead including a lead body supporting at least one flexible conductor element that provides an electrical signal path between a proximal connector element and a distal electrode. The lead body includes an insulating structure that protects the flexible conductor element(s) wherein the insulating structure is realized from a polymer material comprises an isobutylene block copolymer. The polymer material of the insulating structure has a maximum tensile strength in the range between 20 MPa and 40 MPa (most preferably in a range between 25 MPa and 35 MPa). In the preferred embodiment, the hardness of the polymer material of the insulating structure can be characterized by a Shore hardness in a range between 70A and 80A. In the preferred embodiment, the isobutylene block copolymer consists of a first polymer block component containing isobutylene-derived monomer units and a second polymer block component derived from a monomer component other than isobutylene (most preferably, styrene) with mole fraction of said second polymer block component as part of said isobutylene block copolymer in a range between 30% and 40%. The flexible conductor element(s) preferably include a coiled wire conductor defining a central axis with an outer surface facing radially outward away from the central axis and an inner surface facing radially inward toward the central axis, and the insulating structure surrounds at least the outer surface of the coiled wire conductor (and more preferably encapsulates the coiled wire conductor). The polymer material of the insulating structure has reduced oxygen permeability, and thus provides improved resistance to environmental stress cracking and metal ion induced oxidation while maintaining the flexibility and desired tensile strength of the lead body. | 08-11-2011 |
| 20110230945 | ELECTROSTIMULATION SYSTEM, AND ELECTROSTIMULATION ELECTRODE ASSEMBLY AND BIOLOGICAL IMPLANTABLE ELECTRODE THEREFOR - An electrostimulation system includes an electrostimulation lead which has a connector connected to an electrostimulation device, a conducting wire pair electrically connected to the connector, and a sheathing body insulating the conducting wire pair, and is provided to pass through a vein, an electrostimulation block portion which is provided on the leading end side of the electrostimulation lead, and has an electrode portion electrically connected to the conducting wire pair and fixing hooks urging the electrode portion toward the inner wall of the vein, and a rotary member which has an engagement groove to be detachably engaged with the electrostimulation block portion and rotates the electrostimulation block portion placed in the vein around the center line of the vein through the engagement groove. | 09-22-2011 |
| 20120041530 | TRANSCORONARY SINUS PACING SYSTEM, LV SUMMIT PACING, EARLY MITRAL CLOSURE PACING, AND METHODS THEREFOR - A transcoronary sinus pacing system comprising a sheath having a lumen, a pacing catheter having a pacing needle, wherein the catheter can be advanced within the lumen and placed in the LV summit, and a right ventricular pacing device. A LV summit pacing device. An early mitral valve closure pacing device configured to operate with a right ventricular apex pacing device. A method for implanting a pacing device at a target coronary sinus tissue location, wherein the target can be the posterior LV summit A method for achieving early closure of a mitral valve. A method for using visualization devices such as fluoroscopy or ultrasound and/or catheter features such as a radiopaque marker to locate a target location for LV pacing and to avoid piercing an artery or the pericardium when anchoring the LV pacing electrode. | 02-16-2012 |
| 20120101558 | IMPLANTABLE LEADS HAVING COILED CONDUCTORS TO REDUCE RF-INDUCED CURRENT - An implantable lead assembly includes an outer jacket, first and second coiled conductors, and first and second electrodes. The outer jacket is elongated along a center axis and includes a body that radially extends between opposite interior and exterior surfaces. The interior surface defines an elongated lumen. The coiled conductors are held within the body of the outer jacket between the interior and exterior surfaces of the outer jacket and are wrapped around the lumen and the center axis. The electrodes are coupled with the outer jacket and electrically coupled to the coiled conductors in order to at least one of deliver stimulus pulses or sense electrical activity. | 04-26-2012 |
| 20120130464 | PACING LEAD FOR A LEFT CAVITY OF THE HEART, IMPLANTED IN THE CORONARY SYSTEM - A pacing lead for a left cavity of the heart, implanted in the coronary system. This lead ( | 05-24-2012 |
| 20120143298 | CATHETER ELECTRODE ASSEMBLIES AND METHODS OF CONSTRUCTION THEREFOR - A family of catheter electrode assemblies includes a flexible circuit having a plurality of electrical traces and a substrate; a ring electrode surrounding the flexible circuit and electrically coupled with at least one of the plurality of electrical traces; and an outer covering extending over at least a portion of the electrode. A non-contact electrode mapping catheter includes an outer tubing having a longitudinal axis, a deployment member, and a plurality of splines, at least one of the plurality of splines comprising a flexible circuit including a plurality of electrical traces and a substrate, a ring electrode surrounding the flexible circuit and electrically coupled with at least one of the plurality of electrical traces; and an outer covering extending over at least a portion of the ring electrode. A method of constructing the family of catheter electrode assemblies is also provided. | 06-07-2012 |
| 20130013046 | LEAD SYSTEM HAVING A NON-STATIONARY TO STATIONARY ELECTRICAL INTERCONNECT AND METHOD THEREFOR - A lead system has an elongate body, an active fixation assembly movable relative to the elongate lead body, including a non-stationary electrode. The lead system further includes a non-stationary electrode member and an electrical interconnect electrically connected between the non-stationary electrode member and the stationary electrode member. The electrical interconnect provides a reliable electrical interconnection between the stationary electrode and the non-stationary electrode, while allowing the non-stationary electrode to move relative to the stationary electrode. | 01-10-2013 |
| 20130023975 | INTRAVASCULAR MEDICAL DEVICE WITH ADVANCABLE ELECTRODE - Implantable medical devices and methods use an intravascular implantable medical device having an elongated housing module to contain one or more circuitry components. An opening is defined through the elongated housing module. A lead, including at least one electrode, is coupled towards the distal end of the elongated housing module and at least a portion of the at least one electrode is in a stowed position within the opening defined through the elongated housing module during implant of the implantable medical device. The at least one electrode is advanceable from the stowed position to a location distal of the distal end of the elongated housing module. | 01-24-2013 |
| 20130030512 | PULL THROUGH CORONARY SINUS PACING LEAD - A coronary sinus lead is disclosed that includes a lead body having opposed proximal and distal end portions, and an open-ended cavity formed in the distal end portion of the lead body for temporarily receiving an angioplasty balloon. The lead is configured for connection with a pacing device. A method of implanting the lead is also disclosed, which includes passing a coronary angioplasty balloon catheter over a length of guide wire extending through the coronary sinus, coronary veins, and collaterals so that the balloon is externalized. The method further includes inserting the balloon into an open cavity of the lead, inflating the balloon within the open cavity to temporarily engage a distal end portion of the lead to the catheter, and pulling the distal end portion of the lead though the coronary sinus and into a coronary vein by at least partially withdrawing the catheter from the coronary sinus. | 01-31-2013 |
| 20130046370 | Multi-Area Pacing Lead For A Left Cavity Of The Heart, Implantable In The Coronary Network - A multi-area pacing lead implantable in a target vein of the coronary network for stimulating a left cavity of the heart, comprising an electrically conductive microcable ( | 02-21-2013 |
| 20130110218 | Biological Bypass Bridge with Sodium Channels, Calcium Channels and/or Potassium Channels to Compensate for Conduction Block in the Heart | 05-02-2013 |
| 20130150941 | Conductive Coil Arrangement and Electrode Catheter Arrangement, in Particular for Cardiac Therapy - A conductive coil arrangement, in particular for electrode catheters for cardiac therapy, including a multipolar conductive coil having a plurality of coradially interwoven individual coil wires and a contact zone in which at least one individual coil wire from the conductive coil can be connected to a contact element for electrical contacting. The at least one individual coil wire to be contacted is routed outwardly out of the wire interconnection of the conductive coil with a radial direction component. The remainder of the conductive coil is routed further centrally axially through the contact zone. | 06-13-2013 |
| 20130226274 | Electrode Catheter, in Particular for Cardiac Therapy - An electrode catheter, in particular for cardiac therapy, includes an elongated, tube-type catheter body, a ring electrode before the distal end of the electrode catheter for delivery and/or measurement of an electrical signal, in particular an electrocardio signal, by way of the outer electrode contact surface thereof, and a supply lead for the electrical connection of the ring electrode. The ring electrode is mounted on the catheter body such that it can be displaced relative thereto in the longitudinal axial direction. | 08-29-2013 |
| 20130238072 | AUTONOMOUS INTRACORPOREAL CAPSULE WITH PIEZOELECTRIC ENERGY HARVESTING - An intracorporeal capsule for placement in a heart and for energy harvesting using blood pressure variations is shown and described. The capsule includes a capsule body and a piezoelectric strip coupled to a rigid surface for receiving blood pressure force. The piezoelectric strip is normally perpendicular to the direction of the force on the rigid surface. The piezoelectric strip is disconnected from the capsule body along at least two edges of the piezoelectric strip such that the blood pressure force can move the rigid surface, and thereby deform the piezoelectric strip for energy harvesting. | 09-12-2013 |
| 20130289686 | INTRAVASCULAR ELECTRODE ARRAYS FOR NEUROMODULATION - A neuromodulation catheter is positionable in a blood vessel having a wall for use in delivering therapeutic energy to targets external to the blood vessel. An electrically insulative substrate such as an elongate finger is carried at a distal end of the catheter body. The substrate has a first face carrying a plurality of electrodes, and a second face on an opposite side of the substrate from the first face. The finger is biased such that when expanded within the blood vessel, it forms a spiral configuration with the first face facing outwardly to bias the electrodes in contact with the blood vessel wall. | 10-31-2013 |
| 20130331921 | BIFURCATED CATHETER - Systems and methods are disclosed for a bifurcated catheter, and more particularly, to denervation of arterial nerves using a bifurcated catheter. In embodiments, the catheter comprises, for example, a catheter shaft bifurcated into a first catheter energy member and a second catheter energy member, wherein the first catheter energy member comprises a first transducer and the second catheter energy member comprises a second transducer, and wherein the first and second transducers are configured to cause denervation of an arterial nerve of the patient. | 12-12-2013 |
| 20130331922 | PACING LEAD FOR A LEFT CAVITY OF THE HEART, IMPLANTED IN THE CORONARY SYSTEM - A pacing lead for a left cavity of the heart, implanted in the coronary system. This lead ( | 12-12-2013 |
| 20140012359 | MEDICAL IMPLANTABLE LEAD - The invention relates to a medical implantable lead for monitoring and/or controlling an organ inside a human or animal body. The lead comprises a first electrode ( | 01-09-2014 |
| 20140058494 | X-Ray Identification for Active Implantable Medical Device - An active implantable medical device is disclosed herein having a radio-opaque marker. The radio-opaque marker can be formed within an exterior wall of the device or within recesses on the outside of the exterior wall. The implantable medical device can be a leadless pacemaker. The shape of the radio-opaque marker can be designed to facilitate visualization and identification of the location, orientation, and rotation of the implanted medical device by conventional fluoroscopy. Methods of use are also disclosed. | 02-27-2014 |
| 20140081367 | EXPANDABLE LEAD JACKET - Methods, devices and systems for separating an implanted object, such as a lead attached to a cardiac conduction device, from formed tissue within a blood vessel are provided. The methods, devices and systems for separating a lead from the tissue relate to dilating the tissue surrounding the lead from underneath the tissue and/or between the lead and the tissue. | 03-20-2014 |
| 20140135885 | IMPLANTABLE LEAD HAVING A LUMEN WITH A WEAR-RESISTANT LINER - An implantable lead includes a lead body having a proximal end portion and a distal end portion. The lead body includes an insulative member having a lumen extending longitudinally between the proximal end portion and the distal end portion. The lead body also includes a generally tubular liner disposed coaxially with the lumen within the insulative member. The implantable lead also includes an electrode disposed along the lead body in the distal end portion thereof, and a conductor disposed within the lumen and electrically coupled to the electrode. A terminal connector is coupled to the proximal end portion of the lead body and to the conductor. | 05-15-2014 |
| 20140207223 | EXTERNAL PACEMAKER WITH AN ELECTRODE TEMPORAILY CONNECTABLE TO A HEART AND COUPLED VIA A PLUG CONNECTOR - An external pacemaker with at least one electrode temporarily connectable to the heart, and at the distal end of which is an active region, which makes contact with heart tissue, and at the proximal end is a contact plug. The electrode is for transmission of stimulation, defibrillation, and/or cardioversion pulses and is plugged into a pacemaker plug socket. The contact plug has first and second contact regions at its plug part. The plug socket matches the contact plug with two mating contacts, the first for transmitting stimulation pulses and the second for transmitting defibrillation and/or cardioversion pulses. In the plugged-in position, only the contact region on the plug part makes contact with the mating contact provided for transmitting the defibrillation and/or cardioversion pulses, such that no defibrillation and/or cardioversion pulse can be transmitted to electrodes which are unsuitable for defibrillation and/or cardioversion and have only a single-stage contact plug. | 07-24-2014 |
| 20140316504 | IMPLANTABLE INDIFFERENT ELECTRODE - The present invention relates to an electrode arrangement, preferably for the temporary Stimulation or defibrillation of the heart, consisting of at least one unipolar electrode (cathode) ( | 10-23-2014 |
| 20140371831 | Detection of Implantable Lead Failures by Differential EGM Analysis - A method and system for the diagnosis of anomalies in a lead attached to an implantable medical device, such as an implantable cardioverter defibrillator (ICD), including an insulation breach resulting in a short circuit of the high-voltage shock pulse. Determination that the defibrillation pathway is shorted may be made by initial analysis of a Reference EGM and Diagnostic EGM and subsequent analysis of Differential Diagnostic EGMs. Upon determining if a specific defibrillation pathway is shorted, the nonessential defibrillation electrode of that pathway may be excluded from the defibrillation circuit, delivering defibrillation current only between functioning defibrillation electrodes. Alternatively, the ICD system can confirm the presence of a lead anomaly with one or more alternative diagnostic approaches. Patient and remote-monitoring alerts may be initiated. | 12-18-2014 |
| 20150018923 | SEAL PLUG - An implantable pulse generator includes a core assembly, a seal plug, and an outer layer overmolded over the core assembly adjacent the seal plug. The core assembly defines a core hole extending through the core assembly from a core interior to a core outer surface. The core hole has a hole outer portion and a hole inner portion. A first diameter of the hole outer portion is less than a second diameter of the hole inner portion. The seal plug is positioned in the core hole and has a plug outer portion aligned with the hole outer portion and a plug inner portion aligned with the hole inner portion. A third diameter of the plug outer portion is less than a fourth diameter of the plug inner portion. The outer layer leaves a top of the seal plug exposed. | 01-15-2015 |
| 20150057732 | ELECTRODE LINE OR ELECTRODE PORTION OF AN ELECTRODE LINE - An elongate implantable electrical line including an end component at one longitudinal end of the electrical line, wherein the end component includes at least one electrically conductive electrode surface electrically connected to the electrical line. The end component is a composite component that includes at least one thin metal layer with a layer thickness less than 1 μm. The at least one thin metal layer is applied to electrically insulating material of the composite component and is conductively connected to the electrical line, such that the at least one thin metal layer includes, or acts as, an electrode surface. The at least one thin metal layer includes an outer surface and is completely covered completely by at least one outer ceramic layer on the outer surface, such that the at least one thin metal layer is electrically insulated from a surrounding environment. | 02-26-2015 |
| 20150080997 | ELECTRODE DEVICE FOR A MEDICAL IMPLANT, AND A MEDICAL IMPLANT COMPRISING AN ELECTRODE DEVICE - A medical implant and an electrode device for a medical implant, wherein the electrode device includes a distal end, a proximal end, and an electric transmission line that extends between the distal end and the proximal end. The transmission line includes at least one adaptive element. The at least one adaptive element includes a magnetodielectric material, which, under the action of a magnetic field, changes one or more of its electric and magnetic properties. | 03-19-2015 |
| 20150094792 | LABELED IMPLANTABLE MEDICAL DEVICES - In general, techniques are described for labeling an implantable medical device (IMD). In one example, an IMD can include a housing including electronic circuitry. The IMD can include a header coupled to the housing and includes a core. The core can define a bore and include a first metal label positioned adjacent to the at least one bore. The IMD includes a lead assembly including at least one lead having a distal end and a proximal end, the at least one lead including a second metal label, the distal end including at least one electrode and the proximal end received within the bore. | 04-02-2015 |
| 20150119966 | METHOD AND SYSTEM FOR CHARACTERIZING STIMULUS SITES AND PROVIDING IMPLANT GUIDANCE - A method and system for characterizing an accessibility of potential left ventricular stimulus sites in connection with surgical planning for transvenous implant of a cardiac medical lead in or near a heart of a patient are provided. The method and system include obtaining image data representative of a coronary venous system for the heart of the patient to receive the lead. The method and system generate a venous map, based on the image data, representative of venous pathways for the heart of the patient. The method and system analyze the venous map to identify pathway features of interest (PFOI) within at least one select region of the venous pathways. The method and system assign scores to the PFOI based on at least one of predetermined feature-complexity relations or physician-entered complexity updates. The method and system display treatment planning information to a user based on the scores. | 04-30-2015 |
| 20150314121 | System and Method for Evaluating Lead Stability of an Implantable Medical Device - A method and system are provided that provide feedback regarding lead stability for a candidate target vessel, and provide guidance on a type of lead to be used. The method and system utilize a surgical navigation system and information regarding patient anatomy to predict lead stability within the patient anatomy. The method and system provide patient-specific force measurements for one or more vessels of a patient. | 11-05-2015 |
| 20150320995 | ELECTRODE CONSTRUCTION FOR IMPLANTABLE MEDICAL ELECTRICAL LEADS - An implantable electrode for electrical stimulation of a body, for example, being a component of an implantable medical electrical lead, is preferably in the form of a coiled conductor wire, wherein the wire is formed by a tantalum (Ta) core directly overlaid with a platinum-iridium (Pt—Ir) cladding. When a maximum thickness of the Pt—Ir cladding defines a cladded zone between an outer, exposed surface of the electrode and the Ta core, a surface of the Ta core encroaches into the cladded zone by no more than approximately 50 micro-inches. The tantalum core may be cold worked to improve surface quality or formed from a sintered and, preferably, grain stabilized tantalum. | 11-12-2015 |
| 20160045722 | IMPLANTABLE ELECTRICAL LINE - An implantable electrical line including a lead, wherein the lead includes at least one helically wound electrical conductor. The at least one helically wound electrical conductor is surrounded by a fiber braid, which is formed by at least two fibers or fiber bundles, and wherein the at least two fibers or fiber bundles are interwoven and wound around the electrical conductor in opposite winding directions. | 02-18-2016 |
| 20160051822 | TREATMENT FOR CARDIAC CONDUCTANCE ABNORMALITIES - Methods and apparatuses are provided for treating cardiac conductive disorders that include implantation of a network of material that adaptively corrects the electrical conductivity of heart tissues and restores “normal” conductance. The methods and apparatuses disclosed herein involve the delivery of a material to a subject's heart in order to restore normal conductance in a minimally invasive, tunable, localized, and reversible manner, without artificial electrical stimulation. | 02-25-2016 |
| 20160059018 | STYRENE-ISOBUTYLENE COPOLYMERS AND MEDICAL DEVICES CONTAINING THE SAME - In accordance with various aspects of the invention, copolymers comprising styrene and isobutylene monomers are used in the construction of implantable and insertable medical devices for electrical stimulation, including, for example, electronic signal generating components and electrical leads for such devices. | 03-03-2016 |
| 20160106973 | IMPLANTABLE ELECTRICAL LINE - Embodiments include an implantable electrical line with at least one helically wound electrical conductor, an electrically conductive sleeve electrically connected to the electrical conductor, and an electrical filter. The electrical filter is arranged between a proximal and a distal longitudinal portion of a helix formed by the at least one helically wound electrical conductor as viewed in a longitudinal direction of the implantable electrical line, and is also arranged within the electrically conductive sleeve as viewed in a radial direction of the implantable electrical line. | 04-21-2016 |
| 20160114153 | CORONARY SINUS MEDICAL ELECTRICAL LEAD - The present invention may comprise an improvement to the prior art leads as disclosed above. In a preferred embodiment, the invention comprises an intravenous medical electrical lead that includes an elongated lead body. The elongated lead body comprises a length between a proximal end and a curved distal end, the lead body defining a longitudinal axis extending between the proximal end and the curved distal end. The lead body having an outer circumference and provided with a set of electrodes circumferentially spaced apart. Each electrode includes an electrically active portion and an insulated portion at an outer circumference of the electrode. The lead body is further configured to move through a coronary vein while substantially retaining its curved distal end. The lead body may freely move longitudinally within a delivery catheter that guides the lead to myocardial tissue. If the lead body rotates within the delivery catheter, the lead body is configured to rotate back into a position such that the electrically active portion of a set of electrodes faces myocardial tissue when exiting the guide catheter while the insulated portion of electrode are diametrically opposed to neural tissue such as the phrenic nerve. | 04-28-2016 |
| 20160114158 | MRI COMPATIBLE TACHYCARDIA LEAD - A medical device lead includes a proximal connector configured to couple the lead to a pulse generator, an insulative lead body extending distally from the proximal connector, and a conductor assembly extending distally from the proximal connector within the lead body. The conductor assembly includes a conductor having a proximal end electrically coupled to the connector and a distal end electrically coupled to a defibrillation coil. A first portion of the defibrillation coil is exposed at an outer surface of the medical device lead and a second portion of the defibrillation coil is insulated at the outer surface of the medical device lead. | 04-28-2016 |
| 20160136436 | SEAL PLUG - An implantable pulse generator includes a core assembly, a seal plug, and an outer layer overmolded over the core assembly adjacent the seal plug. The core assembly defines a core hole extending through the core assembly from a core interior to a core outer surface. The core hole has a hole outer portion and a hole inner portion. A first diameter of the hole outer portion is less than a second diameter of the hole inner portion. The seal plug is positioned in the core hole and has a plug outer portion aligned with the hole outer portion and a plug inner portion aligned with the hole inner portion. A third diameter of the plug outer portion is less than a fourth diameter of the plug inner portion. The outer layer leaves a top of the seal plug exposed. | 05-19-2016 |
| 20160193459 | TRANSCORONARY SINUS PACING SYSTEM, LV SUMMIT PACING, EARLY MITRAL CLOSURE PACING, AND METHODS THEREFOR | 07-07-2016 |
| 20220134088 | ELECTRODE-ELECTRICAL CONDUCTOR SYSTEM FOR A MEDICAL DEVICE - One aspect relates to an electrode-electrical conductor system for a medical device including a) one or more electrically insulated wire(s) or cable(s), wherein the electrical insulation includes electrical conductor one or more partial opening(s), which is/are arranged on one side of the wire(s) or cable(s), and b) one or more electrode(s), which is/are mechanically and electrically connected to the wire(s) or cable(s) via the one or more partial opening(s) arranged on one side of the wire(s) or cable(s) by welding, pressing, swaging, adhesives, brazing, soldering and/or dimples. One aspect also relates to a method for preparing such an electrode-electrical conductor system. | 05-05-2022 |
