Class / Patent application number | Description | Number of patent applications / Date published |
607037000 | Feature of generator-applicator connection | 48 |
20080208277 | INTERNAL HERMETIC LEAD CONNECTOR FOR IMPLANTABLE DEVICE - An implantable active medical device is disclosed and includes a hermetically sealed housing defining a sealed housing interior, the hermetically sealed housing having a first surface and an opposing second surface. A power source and electronics are in electrical communication and disposed within the sealed housing interior. A lead connector projects through the sealed housing interior from the first surface to the second surface. The lead connector has a first open end, a second open end, an outer surface, and an inner surface defining a lead aperture. The lead connector includes one or more electrically conducting contact rings spaced apart by electrically insulating rings. The one or more electrically conducting contact rings are in electrical communication with the electronics. The lead connector provides a hermetic seal between the lead connector outer surface and the lead connector inner surface. | 08-28-2008 |
20080208278 | METHODS OF MANUFACTURING A HERMETIC LEAD CONNECTOR - A method of manufacturing a hermetic lead connector includes fixing an electrically insulating ring between an electrically conducting contact ring and an electrically conducting spacer ring to form a hermetic ring subassembly, and fixing a plurality of the hermetic ring subassemblies in axial alignment to form a hermetic lead connector. The hermetic lead connector includes an open end, an outer surface, and an inner surface defining a lead aperture. The hermetic lead connector provides a hermetic seal between the outer surface and the inner surface. | 08-28-2008 |
20080208279 | INTERNAL HERMETIC LEAD CONNECTOR FOR IMPLANTABLE DEVICE - An implantable active medical device is disclosed and includes a hermetically sealed housing defining a sealed housing interior, a power source and electronics in electrical communication and disposed within the sealed housing interior, and a lead connector projecting into the sealed housing interior. The lead connector includes a closed end, an open end, an outer surface, and an inner surface defining a lead aperture. The lead connector includes one or more electrically conducting contact rings spaced apart by electrically insulating rings. The one or more electrically conducting contact rings are in electrical communication with the electronics and the lead connector provides a hermetic seal between the lead connector outer surface and the lead connector inner surface. | 08-28-2008 |
20080255630 | Connecting Apparatus And Methods - Included herein, amongst other things, is a stimulation lead adapter. The stimulation lead adapter can include a stimulation lead socket configured to electrically engage and retain the proximal end of a stimulation lead. The stimulation lead adapter can also include an adapter plug configured to electrically engage a stimulation lead port of an implantable medical device. The stimulation lead adapter can also include a connector configured to provide electrical communication between the stimulation lead socket and the adapter plug. In an embodiment, the invention includes an implantable cardiac rhythm management device configured to perform at least one pacing system analyzer function. In an embodiment, the invention includes a programmer system for an implantable medical device, the programmer system configured to display pacing system analyzer function data within a single tabbed window of a graphical user interface. Other aspects and embodiments are also provided herein. | 10-16-2008 |
20080255631 | INTEGRATED HEADER CONNECTOR SYSTEM - Connector assemblies for use with implantable medical devices having easy to assemble contacts is disclosed. The connector assemblies are generally formed by coupling a plurality of contact rings, sealing rings, and spring contact elements together with at least one holding ring to form a connector having a common bore fore receiving a medical lead cable. Contact grooves for positioning the spring contact elements are formed in part by assembling multiple components together. | 10-16-2008 |
20080262564 | LEAD RETENTION ASSEMBLY - A lead retention assembly includes first, second and third retention members. The first retention member defines a first opening configured to receive a lead body. The second retention member is longitudinally spaced apart from the first retention member and defines a second opening configured to receive the lead body. The first and second retention members are substantially aligned along a first axis. The third retention member defines a third opening configured to receive the lead body. The third retention is disposed between the first and second retention members and is biased in a position such that the third opening is substantially centered on a second axis. Upon application of a compressive force, the third retention member is moveable to a position such that the first, second, and third openings are substantially aligned along a common axis, allowing the lead body to be inserted within the first, second and third openings. | 10-23-2008 |
20080269830 | MAGNETOSTRICTIVE ELECTRICAL STIMULATION LEADS - A medical device lead is presented. The medical device lead includes a lead body, an electrode shaft, and a tip electrode. A magnetostrictive element is coupled to the electrode shaft. The magnetostrictive element comprises either terfenol-D and/or galfenol or any material with sufficient magnetostrictive properties. The magnetostrictive element expands when exposed to magnetic resonance imaging. | 10-30-2008 |
20080269831 | IMPLANTABLE PULSE GENERATOR COMPRISING MRI CURRENT LIMITING WINDINGS IN HEADER STRUCTURE - In one embodiment, a pulse generator for generating electrical stimulation for delivery to a patient, comprises: a hermetically sealed housing containing pulse generating circuitry; a header coupled to the housing for receiving one or more stimulation leads, wherein feedthrough wires are provided to conduct electrical pulses from the pulse generating circuitry to the header; the header comprising a plurality of connectors for electrically connecting to each terminal of the one or more stimulation leads, wherein an inductive winding is disposed around or adjacent to each of the connector structures and is electrically connected between the respective connector structure and a corresponding feedthrough wire to limit MRI induced heating of a respective electrode of the one or more stimulation leads. | 10-30-2008 |
20080275523 | Ring connector for implantable medical devices - An electrical contact for use in the header assembly of an implantable tissue stimulator includes a metal housing having a base and a sidewall where the opening in the base is adapted to receive the terminal of a medical lead therethrough. An electrical contact support member is welded to the edge of the sidewall and affixed to the support member are a plurality of spring members that are tangent to an imaginary circle whose diameter is slightly less than the outside diameter of the lead terminal contact rings. When the contacts are axially aligned in the device header, the terminal of an electrical lead may be longitudinally inserted into the header to establish electrical contact with device feedthrough wires that are joined to the electrical contacts in the header. | 11-06-2008 |
20080288014 | Strain Reliever for a Lead of an Implantable Heart Stimulator - A strain reliever for a lead of an implantable heart stimulator, the lead including at least one cable having an electric conductor, has a body of electrically conducting material in electric contact with the electric conductor. The body is lockable in a position in electric contact with electric circuitry of the heart stimulator. The body has a fastening arrangement for fastening the proximal end of the cable at the fastening point on the peripheral surface of the body located at a distance from the distal end of the body. A fixing arrangement is provided at the distal end of the body for fixing the cable to extend in the distal direction from a departure point at the body distal end. The cable is intended to extend in a helical path on the peripheral surface of the body between the fastening point and the departure point. | 11-20-2008 |
20080319503 | BIPOLAR LEAD CONTAINING HV AND LV SIGNAL CAPABILITY - An implantable medical device system includes a medical electrical lead having a connector assembly and a connector bore for receiving the lead connector assembly. The lead includes a distal portion having a first outer diameter and a distal sealing member, an intermediate portion having a second outer diameter smaller than the first outer diameter, and a connector pin extending from the intermediate portion, the connector pin having an outer diameter corresponding to a DF-1 standard. | 12-25-2008 |
20090018601 | CONNECTOR HEADER FOR IMPLANTABLE MEDICAL DEVICE - A connector header includes a housing formed from a plastic material having a modulus of rigidity of 100 ksi or greater. The housing defines an opening for insertion of a lead. The connector header further includes a lead receptacle having an electrically conductive element. The electrically conductive element is operably couplable to a feedthrough of the implantable medical device. The lead receptacle is in communication with the opening and is disposed within the housing such that an electrical contact of the lead is electrically couplable to the conductive element of the receptacle when the lead is inserted into the receptacle. | 01-15-2009 |
20090048638 | CONNECTOR ASSEMBLY FOR USE WITH MEDICAL DEVICES - Connector assemblies for use with implantable medical devices having easy to assemble contacts are disclosed. The connector assemblies are generally formed by coupling a plurality of contact housings, sealing rings and leaf spring contact elements to form a connector having a common bore for receiving a medical lead cable. Contact grooves for positioning the leaf spring contact elements are formed in part by assembling multiple components together. | 02-19-2009 |
20090054949 | LEAD BODY CONSTRUCTIONS FOR IMPLANTABLE MEDICAL ELECTRICAL LEADS - A lead body of an implantable medical electrical lead includes a first filler and a second filler, each extending within a proximal portion thereof. The first filler may have a stiffness that is less than that of the second filler, and may surround and isolate a plurality of conductors which are coupled to a connector terminal of the lead, which connector terminal extends proximally from a proximal end of the lead body. The second filler extends along a limited length, alongside the first filler, wherein the limited length extends distally from the connector terminal; the second filler may further extend into the connector terminal. | 02-26-2009 |
20090099620 | CONTACT CONFIGURATION, CONTACT ASSEMBLY, IMPLANTABLE APPARATUS AND ELECTRODE LINE - A contact configuration for producing an electrical connection between a plug and a socket, preferably for connecting an electrode to an electronic implantable device (such as a pacemaker), has a contact section on the plug and/or the socket. The contact section includes metallic conductive fibers which project between the plug and socket when the socket receives the plug. The contact configuration has a high degree of redundancy in providing electrical communication between the socket and plug, and high contact stability under mechanical load. In addition, friction corrosion is avoided. | 04-16-2009 |
20090149909 | SELECTIVELY CONNECTING THE TIP ELECTRODE DURING THERAPY FOR MRI SHIELDING - A medical device includes a pulse generator and an electrode configured to contact tissue in a body vessel. The medical device includes a lead that includes a lead connector. The lead connector connects a pulse generator with an electrode via a conductive path. An electrode switch is electrically connected between the lead conductor and the electrode. The electrode switch includes an open state preventing the conductive path between the lead and the electrode. The electrode switch includes a closed state establishing the conductive path between the lead and the electrode when a voltage is applied across the electrode switch that exceeds a threshold voltage. The electrode switch in the open state electrically shields the electrode from electromagnetic radiation and induced voltages during magnetic resonance imaging. | 06-11-2009 |
20090248108 | Robust High Power and Low Power Cardiac Leads Having Integrated Sensors - A lead of an implantable medical device system having an elongated lead body, a sensor coupled to the lead body and extending from a proximal end to a distal end, and a distal lead adaptor having a first arm extending distally from the distal end of the sensor to a first arm end, a second arm extending distally from the distal end of the sensor to a second arm end, and a third arm extending between the first arm end and the second arm end, wherein the first arm, the second arm, and the third arm form an open portion. | 10-01-2009 |
20090270940 | LEAD RETENTION ASSEMBLY FOR IMPLANTABLE MEDICAL DEVICE - A lead retention assembly for an implantable medical device includes (i) a conductive set screw and (ii) a housing defining an opening for receiving at least a portion of the set screw. The assembly further includes a block disposed within the housing. The block defines a lead receiving bore and a second bore extending generally perpendicular to and intersecting with the lead receiving bore. The assembly further includes a conductive lead engagement member having a lead engagement feature. The lead engagement feature is disposed within and movable within the second bore such that advancement of the set screw causes the lead engagement feature to move within the second bore towards the lead receiving bore. The set screw is electrically isolated from the conductive lead engagement member. | 10-29-2009 |
20090270941 | HEMOSTASIS VALVE AND GUIDEWIRE PACING SYSTEM - Systems and methods for temporarily pacing a patient's heart are provided. One system includes a hemostasis valve with an adjustable electrical connection, the adjustable electrical connection having one or more adjustable contacts. The adjustable contacts have a first, radially expanded configuration and a second, radially constricted configuration. In the radially constricted configuration, the adjustable contacts are configured to pierce through a layer of an elongate medical device that is disposed in the hemostasis valve. The elongate medical device has a distal electrode and a conductor extending along a portion of the elongate medical device. The adjustable contacts pierce through a make contact with the conductor, providing an electrical pathway to the distal electrode. Also provided are vascular access systems including a hemostasis valve and a guide catheter, guide wire torquers with adjustable contacts and methods of temporarily pacing a patient's heart. | 10-29-2009 |
20090281592 | SHAFT-MOUNTED RF FILTERING ELEMENTS FOR IMPLANTABLE MEDICAL DEVICE LEAD TO REDUCE LEAD HEATING DURING MRI - Filtering components are provided for reducing heating within pacing/sensing leads of a pacemaker or other implantable medical device that occurs due to induced loop currents during magnetic resonance imaging (MRI) procedures. In one example, an inductive winding is provided around a non-conducting central portion of a shaft that interconnects a tip electrode of the lead to an inner coil conductor of the lead. By mounting the inductive winding to the shaft, inductive signal filtering can be readily provided so as to reduce tip heating, without requiring the incorporation of a lengthy, bulky inductor along the length of the lead. Capacitive elements may also be incorporated within the shaft to provide for LC filtering. In another example, the non-conducting central portion of the shaft is omitted. Instead, the conducting shaft end portions are interconnected by a stiff inductive winding, which functions as an air coil. | 11-12-2009 |
20090318999 | METHODS AND DEVICES FOR JOINING CABLES - Methods for ultrasonically joining portions of a medical lead are provided. One method includes providing a conductor, a fitting and a coil electrode. The conductor has a distal portion that includes an inner conductive portion and an outer insulative portion. The fitting has a first cavity and a second cavity, the first cavity being sized and configured to receive the distal portion of the conductor and the second cavity being sized and configured to receive a portion of the coil electrode. The conductor is ultrasonically welded within the first opening, providing a mechanical and electrical attachment. The coil electrode is also electrically coupled to the fitting, providing an electrical pathway from the conductor to the coil electrode. Also provided are medical leads including ultrasonic bonds and other methods of ultrasonically joining portions of a medical lead. | 12-24-2009 |
20100010562 | ELECTROLYTIC CAPACITOR INTERCONNECT - An electrolytic capacitor is constructed as a stacked structure of alternating anode and cathode plates. A clip is fitted over a peripheral portion of each cathode plate, the clips being welded together to electrically connect the cathode plates in common. The dimensions of the clips are such that the clips take up approximately the same space away from the edges of the cathode plates as the thickness of the anode plate on each side of a cathode plate when the anode and cathode plates are stacked upon one another. | 01-14-2010 |
20100030296 | IMPLANTABLE PULSE GENERATOR FEEDTHRUS AND METHODS OF MANUFACTURE - Disclosed herein is an implantable pulse generator feedthru configured to make generally planar electrical contact with an electrical component housed within a can of an implantable pulse generator. The feedthru may include a feedthru housing including a header side and a can side, a core within the feedthru housing, a generally planar electrically conductive interface adjacent the can side, and a feedthru wire extending through the core. The feedthru wire may include an interface end and a header end, wherein the header end extends from the header side and the interface end is at least one of generally flush with the generally planar interface and generally recessed relative to the generally planar interface. | 02-04-2010 |
20100106214 | Systems and Methods for Exploiting the Tip or Ring Conductor of an Implantable Medical Device Lead During an MRI to Reduce Lead Heating and the Risks of MRI-Induced Stimulation - Systems and methods are provided for reducing heating within pacing/sensing leads of a pacemaker or implantable cardioverter-defibrillator that occurs due to induced radio frequency (RF) currents during a magnetic resonance imaging (MRI) procedure, or in the presence of other sources of strong RF fields. For example, bipolar coaxial leads are described wherein the ring conductor of the lead is disconnected from the ring electrode via a switch in response to detection of MRI fields to convert the ring conductor into an RF shield for shielding the inner tip conductor of the lead so as to reduce the strength of RF currents induced therein and hence reduce tip heating. Other exemplary leads are described wherein a band stop filter is instead used to block RF signals to likewise convert the ring conductor into an RF shield. The switches and band stop filters also help to prevent MRI-induced stimulation. | 04-29-2010 |
20100106215 | SYSTEMS AND METHODS TO DETECT IMPLANTABLE MEDICAL DEVICE CONFIGUARATION CHANGES AFFECTING MRI CONDITIONAL SAFETY - Systems and methods for checking the connection of a lead to an implantable medical device implanted within a patient's body are disclosed. An illustrative method includes measuring at least one characteristic associated with the lead connection to the implantable medical device prior to an MRI scan. The method further includes comparing the at least one measured characteristic with a threshold parameter programmed within the implantable medical device. The method further includes setting a flag in the implantable medical device upon the at least one measured characteristic satisfying at least one condition associated with the threshold parameter for a predetermined period of time. The flag indicates a disconnection of the lead from the implantable medical device. | 04-29-2010 |
20100121405 | DISTAL END CONVERTER FOR A MEDICAL DEVICE LEAD - A system for delivering signals between a pulse generator and tissue includes a lead having a lead body and one or more lead electrodes at a distal end of the lead body. The one or more electrodes are electrically connectable to the pulse generator at a proximal end of the lead body via one or more conductors extending through the lead body. A converter, which is removably securable to the distal end of the lead body, includes one or more converter electrodes. Each converter electrode is connected to an electrical contact that is arranged on the converter to electrically connect the converter electrode to at least one of the one or more lead electrodes. | 05-13-2010 |
20100249869 | Lead Retention and Sealing Device - This application discusses, among other things, a header assembly for coupling a medical electrical lead to a medical stimulating device including a header having a capture mechanism within a bore of a lead retention device. In an example, when the lead retention device is retracted from the bore, the capture mechanism prevents the device from falling out. In another example, the header assembly has a vent disposed within the bore of the lead retention device that permits unrestricted flow of air when the lead retention device is retracted from an engagement surface. | 09-30-2010 |
20100249870 | Sealing Setscrew - This application discusses, among other things, an implantable medical device including a setscrew that enables lead tip visibility as an indicator of full lead insertion without requiring a grommet. In an example, the implantable medical device header is provided with a lead bore and a setscrew bore with the setscrew bore having a longitudinal axis that extends in a transverse direction to, and in communication with, the lead bore. In one example, the setscrew bore intersects with the lead bore at a location that is offset from the central longitudinal axis of the lead bore. | 09-30-2010 |
20100249871 | Full Visibility Lead Retention - This application discusses, among other things, an implantable medical device including a setscrew that enables lead tip visibility as an indicator of full lead insertion without requiring a grommet. An example setscrew has a metal core with an insulative coating disposed over the core to electrically isolate it from body fluids and surrounding tissue. In another example, the setscrew incorporates a sealing capability by including a sealing member that is coupled to the setscrew. | 09-30-2010 |
20100249872 | IMPLANTABLE TEMPERATURE SENSOR - A sensor is disposed within a pin portion of a feedthrough assembly. The feedthrough assembly provides a hermetically sealed enclosure that protects the sensor. In one embodiment, the sensor is a temperature sensor and the feedthrough assembly thermally isolates the sensor from the surrounding housing or enclosure. | 09-30-2010 |
20100318156 | HEADER ASSEMBLIES FOR IMPLANTABLE MEDICAL DEVICES - Embodiments of the invention are related to header assemblies for implantable medical devices, amongst other things. In an embodiment the invention includes a medical device including a header assembly housing. The header assembly housing can include a dielectric material, the header assembly housing can define a port aperture for receiving a connector pin of a stimulation lead. The port aperture can have a first end and a second end and a reflective insert disposed within the header assembly housing proximate to the second end. The reflective insert can be configured to enhance the view of the second end from outside of the header assembly housing. Other embodiments are also included herein. | 12-16-2010 |
20110034965 | CERMET-CONTAINING BUSHING FOR AN IMPLANTABLE MEDICAL DEVICE - One aspect relates to an electrical bushing for an implantable medical device, having an annulus-like holding element for holding the electrical bushing in the implantable medical device, whereby the holding element includes a through-opening, at least one elongated conduction element extends through the through-opening, and an insulation element for forming a hermetic seal between the holding element and the conduction element is arranged in the through-opening. One aspect provides for the at least one conduction element to include a cermet. | 02-10-2011 |
20110034966 | ELECTRICAL BUSHING FOR AN IMPLANTABLE MEDICAL DEVICE - One aspect relates to an electrical bushing for an implantable medical device, having an annulus-like holding element for holding the electrical bushing in the implantable medical device, whereby the holding element includes a through-opening, at least one elongated conducting wire extends through the through-opening, and an insulation element for forming a hermetic seal between the holding element and the conducting wire is arranged in the through-opening. One aspect provides for a cermet-containing bearing element to be arranged between the insulation element and the conducting wire. | 02-10-2011 |
20110077709 | MEDICAL DEVICE HAVING RESISTANCE WELDED CONNECTIONS - A medical device is electrically connected to a biological tissue for transmission of an electrical signal between the medical device and the biological tissue. The medical device includes a housing assembly and a control circuit assembly that controls the electrical signal. The control circuit assembly is enclosed within the housing assembly, and the control circuit assembly includes an electrically conductive terminal. The device further includes an electrical component at least partially enclosed within the housing assembly. The electrical component has a connecting member that electrically connects the electrical component to the control circuit assembly. The connecting member is resistance welded and bonded directly to the electrically conductive terminal of the control circuit assembly. | 03-31-2011 |
20110106205 | CERAMIC COMPONENTS FOR BRAZED FEEDTHROUGHS USED IN IMPLANTABLE MEDICAL DEVICES - A feedthrough assembly, as well as a method of forming a feedthrough assembly, including a metallic ferrule, and a biocompatible, non-conductive, high-temperature, co-fired insulator engaged with the metallic ferrule at an interface between the ferrule and the insulator. The insulator includes a first surface at the interface and a second surface internal to the insulator. At least one conductive member may be disposed at the second surface, wherein at least the first surface of the insulator is devoid of surface cracks greater than 30 μm. The first surface of the insulator may also be devoid of a surface roughness greater than 0.5 μm. | 05-05-2011 |
20110112599 | MRI SIGNAL FILTERING FOR IMPLANTABLE MEDICAL DEVICE - A filtering scheme for an implantable medical device mitigates potentially adverse effects that may be caused by MRI-induced signals. In some aspects filtering is provided to attenuate MRI-induced signals on an implanted cardiac lead that is coupled to an implanted device. In some aspects the filter may be configured to complement a capacitor circuit (e.g., a feedthrough capacitor) that reduces the amount of EMI that enters the implanted device via the cardiac lead. In some implementations the filter consists of a LC tank circuit and a series LC circuit, where the LC tank circuit is in series with the cardiac lead and a cardiac stimulation circuit and the series LC circuit is in a shunt configuration across the cardiac stimulation circuit. | 05-12-2011 |
20110125210 | LTCC/HTCC HYBRID FEEDTHROUGH - The present invention is directed to a ceramic monolith for use as a feedthrough in medical devices and method of making. The monolith includes a first surface, a second surface, and a passageway extending from the first surface to the second surface. The first surface is high temperature co-fired ceramic and the second surface is low temperature co-fired ceramic, and the two ceramics are intermixed in a blended interface located between the first and second surfaces. | 05-26-2011 |
20110190842 | IMPLANTABLE MEDICAL DEVICE BATTERY - A battery comprises a tubular housing. An external surface of the tubular housing comprises a biocompatible material. The battery further comprises a battery header secured to an open end of the tubular housing, and the tubular housing and the battery header combine to form a substantially sealed enclosure. The battery also comprises one or more voltaic cells within the substantially sealed enclosure, and a feedthrough electrically connected to the voltaic cells and extending through the battery header to form a battery terminal. The battery header includes a radial groove opposite the tubular housing, and the radial groove is configured to receive a mating snap-fit electronic component subassembly of an implantable medical device. | 08-04-2011 |
20110264162 | Passive electrical connector - An electrical connector is disclosed that includes an annular housing having a central aperture for receiving a connector pin and an annular contact spring disposed concentrically within the annular housing and including a plurality of circumferentially spaced apart spring arms, each spring arm having a radially inwardly extending contact pad for resiliently contacting a connector pin inserted into the central aperture of the housing. | 10-27-2011 |
20120041508 | IMPLANTABLE LEAD CONNECTOR - An implantable lead connector configured for long term implantation and to electrically interconnect multiple medical devices and to channel electrical signals between said interconnected devices and a target organ, comprising: a first port adapted to receive a first signal suitable to stimulate a target tissue, a second port adapted to receive a second signal suitable to stimulate a target tissue, and a third port configured to connect to a target organ, wherein at least one of said first and second ports is configured to connect to a signal generator not integrated with said connector. | 02-16-2012 |
20120071945 | Low profile adapter for continuous connection of pacemaker lead during implantation - A low profile electrical adapter body releasably connects to the electrodes of a pacing lead connector, such as an IS-1. Spring steel lead connector holders and the twist-tolerant cable allow continuous ECG recording while manipulating the pacing lead. The adapter body includes two lead connector holders. A grip longitudinally aligns the lead connector within the adapter body. The grip is slidably attached to a twist-tolerant cable and releasably engages the adapter to form a single adapter assembly that enlarges the device for easier digital manipulation. A twist-tolerant cable connects the low profile adapter directly or indirectly to a medical test device such as a pacemaker analyzer. | 03-22-2012 |
20120179221 | BUNDLE OF HIS STIMULATION SYSTEM - A system for therapeutically stimulating a His bundle includes an implantable pulse generator and a multi-polar medical electrical lead. The generator is configured for subcutaneous implantation and to generate a pacing stimulus. The lead includes a connector assembly, a flexible tubular body, a distal tip assembly and coil conductors. The body extends intravascularly from the generator to a location proximate the His bundle and includes a proximal end, a distal end, and a longitudinal lumen. The tip assembly includes an electrode, a fixation helix, and a shank portion. The helix extends to a location proximate the His bundle and is operable as an electrically isolated electrode. The shank portion extends within the lumen and includes a receptacle for receiving a stylet tip. The conductors extend longitudinally through the lumen and are coupled to the electrode and the helix. One or both of the conductors defines a stylet lumen. | 07-12-2012 |
20120197335 | CERAMIC BUSHING WITH INDUCTIVE FILTER - On aspect relates to an electrical bushing for use in a housing of an implantable medical device. The electrical bushing includes at least one electrically insulating base body and at least one electrical conducting element. The conducting element is set up to establish, through the base body, at least one electrically conductive connection between an internal space of the housing and an external space. The conducting element is hermetically sealed with respect to the base body. The at least one conducting element includes at least one cermet. The electrical bushing includes an electrical filter structure. The at least one conducting element forms at least one conducting section of an inductor of the filter structure. | 08-02-2012 |
20120232609 | SECONDARY HEADER FOR AN IMPLANTABLE MEDICAL DEVICE INCORPORATING AN ISO DF4 CONNECTOR AND CONNECTOR CAVITY AND/OR AN IS4 CONNECTOR AND CONNECTOR CAVITY - A secondary header for an active implantable medical device (AIMD) incorporates a secondary header plug configured for mating insertion into an AIMD ISO DF4 or IS4 connector cavity, a secondary header ISO DF4 or IS4 connector cavity, and at least one replacement lead connector cavity. The secondary header plug has four electrical contacts which correspond to four electrical contacts of the AIMD connector cavity. The secondary header connector cavity has less than four electrical contacts conductively coupled to the secondary header plug electrical contacts. The replacement lead connector cavity has at least one electrical contact conductively coupled to at least one electrical contact of the secondary header plug. An intermediate conformal section between the secondary header plug and a housing for the secondary header connector cavity places the secondary header connector cavity housing adjacent to an exterior surface of the AIMD. | 09-13-2012 |
20130041423 | METHODS, DEVICES AND SYSTEMS FOR SINGLE-CHAMBER PACING USING A DUAL-CHAMBER PACING DEVICE - Various embodiments of the present invention are directed to systems, methods and devices for cardiac applications including those relating to pacing devices. One such device is directed to a cardiac rhythm therapy (CRT) device designed for dual chamber pacing using two pacing signals each having a positive and negative component that has been modified for single chamber pacing. The device comprises a first output that connects to a pacing lead; a second output that connects to the pacing lead; a third output that connects to a reference point; and electrical circuitry connecting the second electrical connection to the first output, the third electrical connection to the second output, and the first and fourth electrical connections to the third output. | 02-14-2013 |
20130123876 | SYSTEMS AND METHODS FOR DETERMINING INDUCTANCE AND CAPACITANCE VALUES FOR USE WITH LC FILTERS WITHIN IMPLANTABLE MEDICAL DEVICE LEADS TO REDUCE LEAD HEATING DURING MRI - Techniques are provided for configuring filters for reducing heating within pacing/sensing leads of a pacemaker or implantable cardioverter-defibrillator that might occur due to induced currents during a magnetic resonance imaging (MRI) procedure or in the presence of other sources of strong radio frequency (RF) fields. In particular, techniques are provided for selecting inductors and capacitors for use in LC filters while taking into account the tolerances of the component devices, as well as the target impedance of the components and the particular RF frequencies to be filtered. | 05-16-2013 |
20130245710 | INTEGRAL STIMULATION LEAD - An apparatus, such as included as a portion of cardiac rhythm management (CRM) system, can include a subcutaneously-implantable medical device. The subcutaneously-implantable medical device can include a header assembly including a stylet access port, and the apparatus can include an intravascularly-deliverable lead assembly permanently attached to the header assembly and including a lumen to receive a stylet via the stylet access port included in the header assembly. | 09-19-2013 |
607038000 | Multiple position connector | 1 |
20090012576 | CONNECTOR ASSEMBLY FOR IMPLANTABLE MEDICAL DEVICE - Header assemblies for coupling one or more cardiac leads to a cardiac stimulator are described. The header assemblies can include a header housing with a lead receiving header bore. The header assemblies can further include a connector assembly injection molded within the header housing and including a connector housing, at least one biasing member and at least one biasing member cover. The connector housing can include a first connector bore aligned with the header bore and at least a second connector bore. The biasing member can be in the form of a coiled spring or bent wire and disposed within the second connector bore such that a portion of the biasing member projects into the first connector bore. In this way, a lead proximal end can be urged against a first connector bore wall. The biasing member cover can secure the biasing member and seal the second connector bore. | 01-08-2009 |