Patent application number | Description | Published |
20080269829 | Metal injection molded titanium alloy housing for implantable medical devices - The housing of an implantable medical device is made of a titanium alloy that provides improved electrical performance, mechanical strength, and reduced MRI heating. The titanium alloy housing includes portions formed by metal injection molding and welded together. Wall thickness of at least a portion of one major face of the housing is reduced by chemical etching a metal injected molded housing portion. | 10-30-2008 |
20080294207 | HOUSING FOR IMPLANTABLE MEDICAL DEVICE - An implantable medical device includes a housing having frame with one or more openings. The openings of the frame are covered with a thin metallic foil that is welded to the frame to provide a hermetic seal. Non-conductive members may be placed in or about the openings to provide a backing or structural support for the metallic foil. By decreasing the mass of conductive material capable of forming eddy currents, improved recharge or telemetry performance may be realized. | 11-27-2008 |
20090112282 | OCCIPITAL NERVE STIMULATION - An implantable medical device comprises one or more electrical stimulation generators, and a housing that contains the one or more electrical stimulation generators. The implantable medical device also includes a first medical lead no greater than about 6 inches in length, and a second medical lead no greater than about 6 inches in length. The housing includes a first connector block that electrically connects the first medical lead to at least one of the one or more electrical stimulation generators, and a second connector block that electrically connects the second medical lead to at least one of the one or more electrical stimulation generators. The implantable medical device may be part of an electrical stimulation system implanted beneath the skin and inferior to the inion of a patient to deliver stimulation therapy to at least one of an occipital nerve and a branch of the occipital nerve. | 04-30-2009 |
20090112291 | CLOSED LOOP LONG RANGE RECHARGING - A charging system for an implantable medical device having a secondary coil. The charging system includes an external power source having at least one primary coil, a modulation, circuit operatively coupled to the primary coil and capable of driving it in a manner characterized by a charging parameter, and a sensor in communication with the modulation circuit and capable of sensing a condition indicating a need to adjust the charging parameter during a charging process. The parameter may be varied so that data sensed by the sensor meets a threshold requirement, which may be based on a patient preference, a government regulation, a recommendation promulgated by a health authority and/or a requirement associated with another device carried by the patient. In one embodiment, the regulation dictates maximum magnetic field exposure, and a field limiting circuit is employed to adjust the charging process. | 04-30-2009 |
20090281623 | CUSTOMIZATION OF IMPLANTABLE MEDICAL DEVICES - A custom implantable medical device (IMD) may be formed based on an image of a structure of a patient, such as the head of the patient. The custom implantable medical device may include a custom member that at least partially encapsulates a module of the IMD, or may include a custom housing that encloses a module of the IMD. The custom member or custom housing may be constructed to conform to a shape determined based on the image. The image of the head of the patient may include an image of a skull of the patient, an image of a scalp of the patient, or an image of vascular or neurological structures in the head of the patient. | 11-12-2009 |
20100010560 | FEEDTHROUGH APPARATUS WITH NOBLE METAL-COATED LEADS - Methods and apparatuses are provided for an electrical device that employs a feedthrough including a hermetic seal that seals an interior region of the electrical device. The electrical device includes an electrical contact disposed within the interior region of the electrical device, and a wire terminal that includes an encircled portion that is encircled by the feedthrough, and a first end that electrically connects with said electrical contact. When the electrical device is constructed, the first end of the wire terminal is coated with a conductive metal that is more resistant to oxidation than the wire terminal. The first end of the wire terminal is secured to the electrical contact using a mechanical device such as a crimping connector or a spring connector. | 01-14-2010 |
20100030227 | MEDICAL LEAD IMPLANTATION - A medical lead introducer comprises a shank, a carrier structure on the shank configured to engage a mating carrier structure of a medical lead during a lead introduction procedure, and a blunt dissection element located on a distal end of the shank. The blunt dissection element is configured to shield at least a distal portion of the medical lead when the medical lead is engaged by the carrier structure during the lead introduction procedure. In some embodiments, the medical lead introducer may be part of a kit including the medical lead. | 02-04-2010 |
20100240253 | Connector Assemblies for Implantable Medical Electrical Systems - A device connector assembly includes a plurality of electrical contacts and a sealing member including a corresponding plurality of apertures; each electrical contact extends within a corresponding aperture of the plurality of apertures such that each contact is accessible for coupling with a corresponding connector element of a lead connector. The lead connector elements protrude from a first side of an insulative substrate of the lead connector, and may be coupled to the contacts of the device connector assembly by aligning each connector element with the corresponding aperture of the sealing member, and applying a force to a second side of the insulative substrate, opposite the first side, in order to press each connector element into engagement with the corresponding contact. | 09-23-2010 |
20100241194 | ACCESSORY APPARATUS FOR IMPROVED RECHARGING OF IMPLANTABLE MEDICAL DEVICE - An apparatus configured to be placed about an implantable medical device having a face with a geometric center offset from a center of a recharge coil of the device includes first and second opposing major exterior surfaces, and a continuous exterior side surface joining the first and second opposing major exterior surfaces. A cavity is defined between, and an opening is formed by, the first and second major surfaces and the continuous side surface. The opening is in communication with the cavity and is configured to allow the device to access the cavity. An asymmetric region, adjacent to the cavity, is formed between a portion of the first and second major surfaces and the continuous side surface. The asymmetric region is configured to shift the geometric center of the combined apparatus and device, when the device is received in the cavity, towards the center of the recharge coil. | 09-23-2010 |
20100241205 | IMPLANTABLE LEAD MANAGEMENT - An apparatus for managing a lead of an implantable medical device includes a lead retention element and a fixation element. The lead retention element has a proximal end, a distal end, and a lumen extending from the proximal end to the distal end. The lumen is configured to slidably receive the lead. The fixation element is configured to fix the lead retention element relative to the implantable medical device in an orientation orthogonal to a lead receptacle of the device such that the proximal end of the lead retention element is closer to an opening of the lead receptacle than the distal end of the retention element. The distal end of the lead retention element is configured to firmly engage the lead to resist proximal sliding of the lead in the lumen of the retention element once the lead has been moved distally through the lumen. | 09-23-2010 |
20100304592 | Connector Assemblies and Contacts for Implantable Medical Electrical Systems - A connector assembly of a medical electrical device includes a plurality of electrical contacts, wherein at least one contact of the plurality of electrical contacts includes an electrical coupling receptacle. The electrical coupling receptacle of the at least one contact includes a first portion, which is adapted to receive a connector element of a medical electrical lead, and a second portion, in which a part of a feedthrough member extends, and to which the part of the feedthrough member is fixedly coupled. | 12-02-2010 |
20110071540 | LEAD WITH DISTAL ENGAGEMENT FEATURE TO FACILITATE LEAD PLACEMENT - An implantable medical lead includes a proximal portion including a contact. The lead also includes a distal portion having a paddle-shaped portion, an electrode, and an engagement element configured to cooperate with a lead advancement tool to facilitate placement of the lead such that distal advancement of the tool relative to the lead pushes the lead distally. The electrode is electrically coupled to the contact, and the engagement element is distal to the electrode. The engagement element is integrally formed with the paddle-shaped portion. | 03-24-2011 |
20110071606 | BIFURCATED LEAD SYSTEM AND APPARATUS - Bifurcated leads may simplify implantation procedures associated with electrical single therapy at two distinct anatomical locations, such as a left and a right occipital nerve. | 03-24-2011 |
20110082516 | LEAD HAVING RADIALLY SPACED APART CONTACTS TO ALLOW FOR ADJUSTABILITY - An implantable medical lead includes a lead body having a proximal portion and a distal portion. The lead also includes first and second contacts located at the proximal portion of the lead body, and includes first and second electrodes located at the distal portion of the lead body. The first electrode is electrically coupled to the first contact and the second electrode is electrically coupled to the second contact. The first contact has a proximal end and a distal end and the second contact has proximal end and a distal end. The second contact is radially spaced apart from the first contact. The contacts do not extend around the lead body. This disclosure also relates to an implantable lead extension and to an implatable signal generator having connectors configured to receive the present lead. | 04-07-2011 |
20110093034 | BIFURCATED LEAD WITH INTEGRATED ANCHOR AT BRANCH REGION - An implantable medical lead includes a proximal portion having first and second contacts. The lead further includes a first distal arm having a first electrode that is electrically coupled to the first contact, and includes a second distal arm having a second electrode that is electrically coupled to the second contact. The lead also includes a branch region where the proximal portion transitions to the first and second distal arms. A tissue anchoring element is attached to the branch region for securing the branch region to tissue of a patient into which the lead is implanted. Such bifurcated leads may be used to apply electrical signals to occipital nerves of the patient via the electrodes. A lead extension includes a distal connector with two lead receptacles and a tissue anchoring element attached to the connector. An adaptor having three lead receptacles includes an anchoring element attached thereto. | 04-21-2011 |
20110098782 | LEAD EXTENSION HAVING CONNECTOR CONFIGURED TO RECEIVE TWO LEADS - A lead extension includes a proximal portion having first and second contacts, and further includes a connector having a body. The body of the connector houses first and second lead receptacles. The first lead receptacle has an internal contact electrically coupled to the first proximal contact. The second lead receptacle has an internal contact electrically coupled to the second proximal contact. | 04-28-2011 |
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 |
20110190833 | HEADER ASSEMBLY FOR IMPLANTABLE MEDICAL DEVICE - This disclosure includes an implantable medical device comprising: a housing; at least one module enclosed within the housing and configured to at least one of generate an electrical stimulation therapy for delivery to a patient or monitor a physiological parameter of the patient; one or more feedthroughs extending through the housing; a header assembly including one or more electrical connectors electrically coupled to the module via the feedthroughs; and a preformed gasket compressed between the housing and the header assembly forming a seal to electrically isolate the feedthroughs from an external environment. | 08-04-2011 |
20110245892 | FLEXIBLE RECHARGE COIL TECHNIQUES - Techniques adapted for use with recharging a rechargeable power source of an implantable device. One aspect relates to providing a flexible primary coil that can be transcutaneously coupled to a secondary coil of the implantable device. Multiple adjacent turns of the coil are grouped via lacing to form bundles. The bundles have at least one dimension that is selected to be a same size as a predetermined thickness of the coil. In one embodiment, the dimension is a diameter of the bundle. In another embodiment, the dimension is at least one of a length or width of the bundle. Insulating overmolding may be provided over the coil. In one embodiment, the resulting antenna structure is bidirectional such that substantially the same performance characteristics are obtained during recharge regardless of which of two major surfaces of the antenna is placed in proximity to the patient. | 10-06-2011 |
20120078268 | ARCUATE INTRODUCER - An introducer for a medical lead, the introducer having an arcuate component for creating an arcuate path in a patient. When used to percutaneously implant a medical device such as a medical lead with electrodes, the implanted lead has an arcuate configuration. The implanted lead can be used to at least partially encircle or bracket a region of chronic pain and provide therapeutic electrical signals to the region. | 03-29-2012 |
20120078334 | ELECTRODE ARRANGEMENTS FOR SUBORBITAL FORAMEN MEDICAL LEAD - A medical lead includes a plurality of electrodes on an annular distal end portion of the lead. The electrodes may be arranged along a circle concentric with the center of a void defined by the annular portion. The annular medical lead design is well suited for application of electrical signal therapy to the suborbital nerve at its point of exit from the inferior orbital foramen in the skull. | 03-29-2012 |
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 |
20120149254 | CONNECTOR ASSEMBLIES AND CONTACTS FOR IMPLANTABLE MEDICAL ELECTRICAL SYSTEMS - A connector assembly of a medical electrical device includes a plurality of electrical contacts and an insulative base that supports the plurality of electrical contacts and extends between the plurality of electrical contacts and a housing of the device, and, wherein at least one contact of the plurality includes an elongate electrical coupling receptacle in which a first part of a feedthrough member extends, being fixedly coupled thereto. The feedthrough member further includes a second part and a bend, which is located between the first and second parts. The second part of the feedthrough member extends away from the contact and through a port formed in the insulative base adjacent to the contact. | 06-14-2012 |
20130105115 | REMOVABLE HEAT MANAGEMENT FOR RECHARGE COILS | 05-02-2013 |
20130106347 | HEAT MANAGEMENT FOR RECHARGE COILS FOR IMPLANTABLE MEDICAL DEVICES | 05-02-2013 |
20140052225 | Connector Assemblies for Implantable Medical Electrical Systems - A device connector assembly includes a plurality of electrical contacts and a sealing member including a corresponding plurality of apertures; each electrical contact extends within a corresponding aperture of the plurality of apertures such that each contact is accessible for coupling with a corresponding connector element of a lead connector. The lead connector elements protrude from a first side of an insulative substrate of the lead connector, and may be coupled to the contacts of the device connector assembly by aligning each connector element with the corresponding aperture of the sealing member, and applying a force to a second side of the insulative substrate, opposite the first side, in order to press each connector element into engagement with the corresponding contact. | 02-20-2014 |
20140163579 | MINIMALLY INVASIVE IMPLANTABLE NEUROSTIMULATION SYSTEM - A medical device system for delivering a neuromodulation therapy includes a delivery tool for deploying an implantable medical device at a neuromodulation therapy site. The implantable medical device includes a housing, an electronic circuit within the housing, and an electrical lead comprising a lead body extending between a proximal end coupled to the housing and a distal end extending away from the housing and at least one electrode carried by the lead body. The delivery tool includes a first cavity for receiving the housing and a second cavity for receiving the lead. The first cavity and the second cavity are in direct communication for receiving and deploying the housing and the lead coupled to the housing concomitantly as a single unit. | 06-12-2014 |
20140163580 | MINIMALLY INVASIVE IMPLANTABLE NEUROSTIMULATION SYSTEM - A neuromodulation therapy is delivered via at least one electrode implanted subcutaneously and superficially to a fascia layer superficial to a nerve of a patient. In one example, an implantable medical device is deployed along a superficial surface of a deep fascia tissue layer superficial to a nerve of a patient. Electrical stimulation energy is delivered to the nerve through the deep fascia tissue layer via implantable medical device electrodes. | 06-12-2014 |
20140163644 | MINIMALLY INVASIVE IMPLANTABLE NEUROSTIMULATION SYSTEM - An external medical device generates a drive signal inductively coupled to an implantable coil from an external coil. A regulator module coupled to the implantable coil generates an output signal in response to the inductively coupled signal and a feedback signal correlated to an amplitude of the inductively coupled signal. A signal generator receives the output signal for generating a therapeutic electrical stimulation signal. The control module adjusts the drive signal in response to the feedback signal to control the electrical stimulation signal. | 06-12-2014 |
20140163646 | MINIMALLY INVASIVE IMPLANTABLE NEUROSTIMULATION SYSTEM - An implantable medical device (IMD) has a housing enclosing an electronic circuit. The housing includes a first housing portion, a second housing portion and a joint coupling the first housing portion to the second housing portion. A polymer enclosure member surrounds the joint and circumscribes the housing in various embodiments. Other embodiments of an IMD housing are disclosed. | 06-12-2014 |
20140200642 | LEAD HAVING RADIALLY SPACED APART CONTACTS TO ALLOW FOR ADJUSTABILITY - An implantable medical lead includes a lead body having a proximal portion and a distal portion. The lead also includes first and second contacts located at the proximal portion of the lead body, and includes first and second electrodes located at the distal portion of the lead body. The first electrode is electrically coupled to the first contact and the second electrode is electrically coupled to the second contact. The first contact has a proximal end and a distal end and the second contact has proximal end and a distal end. The second contact is radially spaced apart from the first contact. The contacts do not extend around the lead body. This disclosure also relates to an implantable lead extension and to an implantable signal generator having connectors configured to receive the present lead. | 07-17-2014 |
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 |
20150073509 | REMOVABLE HEAT MANAGEMENT FOR RECHARGE COILS - Devices, systems, and techniques for managing heat generated in coils for wireless energy transmission are disclosed. Inductive coupling between two coils (e.g., a primary coil and a secondary coil) may be used to recharge the power source of an implantable medical device. A phase change material may be thermally coupled to the primary coil to absorb heat generated during the inductive coupling and reduce temperature increases of the primary coil. In one example, the phase change material may be configured to absorb heat from an energy transfer coil. A housing may be configured to contain the phase change material and a coupling mechanism may be configured to removably attach the housing to the energy transfer coil. | 03-12-2015 |