Patent application number | Description | Published |
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 |
20100049290 | MRI COMPATIBLE LEAD - Disclosed herein is an implantable medical lead. In one embodiment, the lead includes a ring electrode, a tip electrode, first and second helically wound coaxial conductor coils, and a distal coil transition. The coils extend between the proximal and distal ends of the lead. The distal coil transition is proximal to the ring electrode and near the distal end and is where the first coil transitions from being outside the second coil proximal of the distal coil transition to being inside the second coil distal of the distal coil transition. | 02-25-2010 |
20100211144 | LEAD CONNECTOR PIN AND BODY ASSEMBLY AND METHOD OF MANUFACTURE - An implantable medical lead is disclosed herein. In one embodiment, the lead includes a body, at least one electrode and a lead connector end. The body includes a distal portion and a proximal portion. The at least one electrode is on the distal portion. The lead connector end is on the proximal portion and includes a pin contact and a retainer assembly. The pin contact is electrically coupled to the at least one electrode and proximally extends from the lead connector end. The retainer assembly retains the pin contact as part of the lead connector end and includes a collar and a cap. The cap is secured within the collar via an interference fit arrangement and includes a hole through which the pin contact extends. | 08-19-2010 |
20100211149 | IMPLANTABLE MEDICAL LEAD HAVING AN ANCHOR PROVIDING ENHANCED FIXATION - An implantable medical lead is disclosed herein wherein the lead employs a helical distal tip anchor having improved fixation capabilities. The implantable medical lead may include a body and a helical anchor. The body may include a distal end and a proximal end. The helical anchor may be at least one of extending and extendable from the distal end. The helical anchor may include at least one loop including first and second straight sides that intersect at a first corner. | 08-19-2010 |
20110106231 | MRI-COMPATIBLE IMPLANTABLE LEAD HAVING A HEAT SPREADER AND METHOD OF USING SAME - An implantable lead is provided that comprises a lead body and a header assembly. The lead body has a distal end and a proximal end. The lead body is configured to be implanted in a patient. The header assembly is provided at the distal end of the lead body and includes an internal chamber and a tissue engaging end. An electrode is provided on the header assembly. The electrode is configured to deliver a stimulating pulse. A resonant inductor is located within the chamber in the header assembly. An electrically floating heat spreader is provided on the header assembly. The heat spreader is located proximate to the resonant inductor and is positioned on the header assembly to cover at least a portion of the resonant inductor. The heat spreader is thermally coupled to the resonant inductor to convey thermal energy away from the header assembly. | 05-05-2011 |
20110125240 | BIOCOMPATIBLE INDUCTOR FOR IMPLANTABLE LEAD AND METHOD OF MAKING SAME - A biocompatible inductor for an implantable medical lead is disclosed herein. In one embodiment the biocompatible inductor may include a biocompatible bobbin and a wire wound about a barrel of the biocompatible bobbin to form a coil. The wire may include an electrically conductive core, an electrically conductive biocompatible jacket extending over the core, and a coating of high dielectric strength insulation material extending over the jacket. Additionally, the biocompatible inductor may include medical adhesive located in gaps within the coil and a polyester shrink tube covering the coil. | 05-26-2011 |
20110152990 | MRI COMPATIBLE LEAD EMPLOYING MULTIPLE MINIATURE INDUCTORS - An implantable medical lead is disclosed herein. The lead includes a first electrode and a first electrical circuit. The first electrode is near a distal portion of the lead. The first electrical circuit extends through the lead to the first electrode and includes at least one conductor and a first band stop filter coupled between the distal end of the conductor and the electrode. The first band stop filter includes a first group of inductors in parallel and a second group of inductors in parallel. The first group is in series with the second group. The first group of inductors may include a self resonant L. The first group of inductors may include a self resonant tank LC. The first group of inductors may include a miniature self resonant L or miniature self resonant tank LC. The first group of inductors may include an integrated circuit of L and C components. | 06-23-2011 |
20110238102 | TRANSSEPTAL DELIVERY INSTRUMENT - Access to the left side of the heart is gained through a heart wall. A delivery instrument includes a guide that may include or carry a puncturing instrument that is adapted to be directed toward the heart wall. In some embodiments a distal portion of the delivery instrument may be adapted to be co-located with the coronary sinus. In addition, the guide may be located a known distance from the portion of the delivery instrument that is co-located with the coronary sinus. Access to the left side of the heart may thus be readily gained by positioning the delivery instrument relative to the coronary sinus. | 09-29-2011 |
20110245842 | LEFT CHAMBER PRESSURE SENSOR LEAD DELIVERY SYSTEM - An apparatus for and method of measuring pressure through a septum in a patient's heart. A lead inserted into the right side of a heart is routed through the septum to gain access to the left side of the heart. The lead includes a mounting mechanism that secures the lead to one or both sides of the septal walls. The lead also includes one or more sensors for measuring cardiac pressure on the left side of the heart and, as necessary, the right side of the heart. | 10-06-2011 |
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 |
20120109273 | IMPLANTABLE LEAD ASSEMBLY HAVING A PLURALITY OF INDUCTORS - An implantable lead assembly includes an elongated body, a bobbin, and a conductor. The elongated body includes a distal end having an electrode and a proximal end having a header connector portion for coupling the elongated body with an implantable medical device. The bobbin is disposed in the elongated body. The conductor is disposed in the elongated body and is electrically coupled with the header connector portion and the electrode. The conductor is wound around the bobbin to form first and second inductive coils that are axially separated from each other by an inter-coil gap formed from the bobbin. The first and second inductive coils have different self resonant frequencies. | 05-03-2012 |
20120130460 | HYBRID IMPLANTABLE LEAD ASSEMBLY - A hybrid implantable lead assembly includes a lead body, distal, proximal, and intermediate electrodes, coiled inductive elements, and an inductive circuit. The proximal and intermediate electrodes are disposed on the lead body between the distal electrode and a proximal end of the lead body. The proximal and intermediate electrodes are electrically connected with first and second pathways to sense electrical activity and/or deliver stimulus pulses. The first and second coiled inductive elements are electrically connected to the proximal and intermediate electrodes, respectively. The inductive circuit is electrically connected to the distal electrode. The first coiled inductive element and/or the second coiled inductive element has a first type of inductor structure and the inductive circuit has a different, second type of inductor structure that prevent magnetically induced electric current from flowing to the electrodes. | 05-24-2012 |
20130282087 | IMPLANTABLE LEAD ASSEMBLY HAVING A PLURALITY OF INDUCTORS - In accordance with an embodiment, an implantable lead assembly is provided comprised of an elongated body including a distal end, a proximal end having a header connector portion for coupling the elongated body with an implantable medical device, and an intermediate segment located between the distal and proximal ends. An intermediate electrode is disposed at the intermediate segment along the elongated body. A conductor is disposed in the elongated body and electrically coupled with the header connector portion and the intermediate electrode. The conductor wound within the intermediate segment to form first and second inductive coils that are axially separated from each other by an inter-coil gap, wherein the first and second inductive coils have different self-resonant frequencies. | 10-24-2013 |
20140094889 | IMPLANTABLE THERAPY LEAD WITH CONDUCTOR CONFIGURATION ENHANCING ABRASION RESISTANCE - An implantable therapy lead employs electrical conductors configured to enhance the abrasion resistance of the lead. Specifically, conductors are configured to create a surface contact area with walls of a wall lumen of a tubular body that is greater than would otherwise be possible with traditional conductors that have a circular transverse cross-section. As a result, the abrasion pressure of the conductors against the lumen walls is decreased for the conductors disclosed herein as compared to that of traditional conductors. | 04-03-2014 |
20140094890 | IMPLANTABLE THERAPY LEAD WITH CONDUCTOR CONFIGURATION ENHANCING ABRASION RESISTANCE - An implantable therapy lead employs electrical conductors configured to enhance the abrasion resistance of the lead. Specifically, conductors are configured to create a surface contact area with walls of a wall lumen of a tubular body that is greater than would otherwise be possible with traditional conductors that have a circular transverse cross-section. As a result, the abrasion pressure of the conductors against the lumen walls is decreased for the conductors disclosed herein as compared to that of traditional conductors. | 04-03-2014 |
20140213915 | WIRELESS MEMS LEFT ATRIAL PRESSURE SENSOR - Systems for monitoring left atrial pressure using implantable cardiac monitoring devices and, more specifically, to a left atrial pressure sensor implanted through a septal wall are presented herein. | 07-31-2014 |
20140213916 | WIRELESS MEMS LEFT ATRIAL PRESSURE SENSOR - Systems for monitoring left atrial pressure using implantable cardiac monitoring devices and, more specifically, to a left atrial pressure sensor implanted through a septal wall are presented herein. | 07-31-2014 |