Patent application number | Description | Published |
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 |
20100063555 | ELECTRICAL CONTACT FOR IMPLANTABLE MEDICAL DEVICE - A one-piece electrical contact ring for use in a lead receptacle of an implantable medical device includes (i) a tubular body defining a cavity extending through the body and (ii) a plurality of resiliently deflectable elements extending from the tubular body into the cavity. The deflectable elements have a lead contacting portion configured to contact the lead when received by the cavity. The lead contacting portions of the deflectable elements in a relaxed state are located in a plane that intersects the tubular body and are configured to deflect along the plane towards the tubular body as the lead is inserted in the contact ring. The contact ring may further include a plurality of stops, each configured to (i) engage a stop portion of the elements when the elements are sufficiently outwardly deflected and (ii) inhibit further outward deflection of the elements when the stops engage the stop portions. | 03-11-2010 |
20110165785 | MODULAR LEAD INTERCONNECTOR - An end interconnector for one or both ends of a lead body of an electrical lead for an implantable medical device. The interconnector has an insulative body having a receptacle at its first end for each of a plurality of wire filars from the lead body, and a receiver at its second end for each of a plurality of connection wires extending from the medical device, such as an electrode tip. The interconnector provides electrical connection between the plurality of wire filars and the plurality of connection wires. | 07-07-2011 |
20110184479 | LEAD CONNECTOR WITH GLASS INSULATORS - A medical device lead connector includes two or more electrically conducting contact rings spaced apart by electrically insulating glass material. The electrically insulating glass material fixes the two or more electrically conducting contact rings in axial alignment. | 07-28-2011 |
20110184480 | LEAD CONNECTOR WITH GLASS BRAZE - A medical device lead connector includes two or more electrically conducting contact rings spaced apart by electrically insulating ceramic ring. An electrically insulating glass material fixes the two or more electrically conducting contact rings to the insulating ceramic ring in axial alignment. | 07-28-2011 |
20110270330 | DIFFUSION BONDED LEAD CONNECTOR - A medical device lead connector includes electrically conducting contact rings spaced apart by an electrically insulating ring and in axial alignment. The electrically conducting contact ring and the insulating ring having an interface bond on an atomic level. | 11-03-2011 |
20110296925 | CAPACITIVE PRESSURE SENSOR ASSEMBLY - The disclosure is directed to a capacitive pressure sensor, and the assembly of a capacitive pressure sensor, that may be used within an implantable medical pump. In one example, a housing ferrule that encloses one capacitive plate and includes at least one protrusion for attaching a support structure of the capacitive plate. The at least one protrusion defines a smaller inner diameter as a reference point for securing the support structure while the ferrule provides a larger inner diameter to allow the support structure to tilt inside the ferrule to orient the capacitive plate into a desired plane. Despite manufacturing irregularities, the capacitive plate can be mounted in the desired plane parallel to another capacitive plate, a diaphragm, mounted to an edge of the ferrule. In another example, an assembly tool provides a stage to orient the capacitive plate and support structure within the ferrule at a desired depth. | 12-08-2011 |
20110301575 | IMPLANTABLE MEDICAL PUMP WITH PRESSURE SENSOR - The disclosure is directed to a pressure sensor of an implantable medical device. The pressure sensor may utilize detect fluid pressure based on a changing capacitance between two capacitive elements. The pressure sensor may define at least a portion of a fluid enclosure of the IMD. In one example, the pressure sensor has a self-aligning housing shape that occludes an opening in the pump bulkhead of the IMD. An operative surface of the pressure and the portion of the fluid enclosure may be formed of a corrosion resistant and/or biocompatible material. A first capacitive element of the pressure sensor may be a metal alloy diaphragm that deflects in response to external fluid pressure. A second capacitive element of the pressure sensor may be a metal coating on a rigid insulator sealed from the fluid by the diaphragm and a housing of the sensor. | 12-08-2011 |
20120116470 | LEAD CONNECTOR WITH GLASS INSULATORS - A medical device lead connector includes two or more electrically conducting contact rings spaced apart by electrically insulating glass material. The electrically insulating glass material fixes the two or more electrically conducting contact rings in axial alignment. | 05-10-2012 |
20120124831 | 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. | 05-24-2012 |
20130126474 | SURFACE IMPROVEMENT ON ELECTRIC DISCHARGE MACHINED TITANIUM ALLOY MINIATURE PARTS FOR IMPLANTABLE MEDICAL DEVICE - The invention describes a process to remove a recast layer and/or burrs from machining processes to provide a surface of a titanium medical device without dissipation of copper or zinc from the surface of the medical device. | 05-23-2013 |
20140243942 | LEAD CONNECTOR WITH GLASS BRAZE - A medical device lead connector includes two or more electrically conducting contact rings spaced apart by electrically insulating ceramic ring. An electrically insulating glass material fixes the two or more electrically conducting contact rings to the insulating ceramic ring in axial alignment. | 08-28-2014 |
20140277216 | IMPLANTABLE DEVICE WITH OPPOSING LEAD CONNECTORS - An implantable active medical device includes a chassis plate and a first and second elongate lead connector fixed to and extending orthogonally away from the chassis plate in opposing directions. The first and second elongate lead connectors are disposed within hermetic housings. | 09-18-2014 |
20140277217 | IMPLANTABLE DEVICE WITH INTERNAL LEAD CONNECTOR - An implantable active medical device includes a hermetic housing defining an exterior surface and a hermetic cavity of an implantable active medical device. An elongate lead connector extends into the hermetic cavity. The elongate lead connector includes a closed end, an open end extending through and hermetically joined to the hermetic housing, an outer surface at least partially defining the hermetic cavity, and an inner surface defining a lead aperture. | 09-18-2014 |
20140277218 | IMPLANTABLE DEVICE WITH SHIELD INTEGRATED LEAD CONNECTOR - An implantable active medical device includes a hermetic housing defining an exterior surface and a hermetic cavity of an implantable active medical device. The hermetic housing has a first major surface, an opposing second major surface and a side surface extending between them. An elongate lead connector is recessed into the first major surface. The elongate lead connector has a top surface and a bottom surface and a side surface extending between them. The top surface forms only a portion of the first major surface. | 09-18-2014 |
20140343644 | MEDICAL LEADS AND TECHNIQUES FOR MANUFACTURING THE SAME - In some examples, the disclosure relates to a medical device comprising a lead including an electrically conductive lead wire; and an electrode electrically coupled to the lead wire, the electrode including a substrate and a coating on an outer surface of the substrate, wherein the lead wire is formed of a composition comprising titanium or titanium alloys, wherein the substrate is formed of a composition comprising one or more of titanium, tantalum, niobium, and alloys thereof, wherein the coating comprises at least one of Pt, TiN, IrOx, and poly(dioctyl-bithiophene) (PDOT). In some examples, the lead wire may be coupled to the lead wire via a weld, such as, e.g., a laser weld. | 11-20-2014 |
20150094789 | IMPLANTABLE DEVICE WITH CHASSIS ELEMENT - A implantable active medical device includes a chassis plate having a first major surface and an opposing second major surface, an elongate lead connector fixed to the first major surface and extending orthogonally away from the first major surface and a circuit board fixed to the first major surface and extending orthogonally away from the first major surface. A hermetic housing defines a sealed housing cavity. The hermetic housing is fixed to the first major surface. The elongate lead connector and the circuit board are disposed within the sealed housing cavity. | 04-02-2015 |
20150119964 | MEDICAL LEAD FASTENER INCLUDING INTEGRATED CLAMP - This disclosure includes techniques for securing the proximal ends of a medical lead to the connector block of an IMD with a fastener device that incorporates a flexible clamp. A fastener device for a medical device comprising a flexible clamp forming a clamp aperture, wherein the flexible clamp includes a clamp protrusion configured to facilitate actuation of the flexible clamp, a rigid body, wherein the rigid body connects to and surrounds the flexible clamp, and an actuator configured to actuate on the clamp protrusion to change a perimeter of the clamp aperture, wherein the change of the perimeter of the clamp aperture by the actuator is configured to apply a compressive force about a perimeter of an electrical contact of a medical lead in the clamp aperture to electrically and mechanically connect the medical lead to the fastener device. | 04-30-2015 |
20150250997 | TITANIUM ALLOY CONTACT RING ELEMENT HAVING LOW MODULUS AND LARGE ELASTIC ELONGATION - A method of forming a medical device contact element includes annealing an elongated rod of Ti-15Mo alloy material to form an annealed rod having a Young's Modulus of less than 13.5 Mpsi and an elastic range or strain of at least 0.7%. Then forming a contact ring element from the annealed rod and assembling the contact ring element into a medical device. Contact rings and lead receptacles including the same are also described. | 09-10-2015 |
20150375002 | ELECTRICAL CONTACT FOR IMPLANTABLE MEDICAL DEVICE - A one-piece electrical contact ring for use in a lead receptacle of an implantable medical device includes (i) a tubular body defining a cavity extending through the body and (ii) a plurality of resiliently deflectable elements extending from the tubular body into the cavity. The deflectable elements have a lead contacting portion configured to contact the lead when received by the cavity. The lead contacting portions of the deflectable elements in a relaxed state are located in a plane that intersects the tubular body and are configured to deflect along the plane towards the tubular body as the lead is inserted in the contact ring. The contact ring may further include a plurality of stops, each configured to (i) engage a stop portion of the elements when the elements are sufficiently outwardly deflected and (ii) inhibit further outward deflection of the elements when the stops engage the stop portions. | 12-31-2015 |