Abstract: An implantable medical device includes a housing and a circuit board provided within the housing. The circuit board includes a plurality of electronic components electrically coupled thereto. At least one non-functional component is provided on the circuit board and formed from a material that has an electromagnetic permeability configured to reduce the amount of image distortion caused by at least one of the plurality of electronic components when the device is subject to a magnetic field during an MRI scan.

Abstract: System for transcutaneous energy transfer to an implantable medical device adapted to be implanted under a cutaneous boundary having a housing having a first surface adapted to face the cutaneous boundary, the first surface of the housing of the implantable medical device having a first mating element, therapeutic componentry and a secondary coil operatively coupled to the therapeutic componentry. An external power source has housing having a first surface adapted to be placed closest to the cutaneous boundary, the first surface of the housing of the external power source having a second mating element and a primary coil capable of inductively energizing the secondary coil when externally placed in proximity of the secondary coil. The first mating element and the second mating element are configured to tactilely align the external power source with the implantable medical device.

Abstract: 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.

Abstract: A rechargeable implantable medical device with an external recharging coil carried on the medical device proximal face. The recharging coil can be attached to the medical device housing physically, or chemically, or a combination of both physically and chemically. The recharging coil electrically couples through housing electrical feedthroughs to electronics configured to perform a therapy and a rechargeable power source both carried inside the medical device housing. Additionally methods for attaching the external recharging coil to an implantable medical device are disclosed. The rechargeable implantable medical device can be a medical devices such as a neuro stimulators, drug delivery pumps, pacemakers, defibrillators, diagnostic recorders, cochlear implants, and the like.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: An implantable medical device having a case with therapeutic componentry contained with the case. A module has a rail around at least a portion of a perimeter of the module and is adapted to be mechanically secured to the case. The case has a rigid fastening channel adapted to receive the rail of the module. The rigid fastening channel has an opening allowing the rail of the module to drop into the rigid fastening channel through the opening and then slide along the rigid fastening channel to be mechanically secured to the case.

Abstract: 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.

Abstract: 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.

Abstract: A connector assembly for detachably coupling a proximal end of a lead and an implantable medical device. The connector assembly includes a deflectable connector clip having a first arm, a second arm and a top portion extending between the first arm and the second arm. The first arm and the second arm detachably position the proximal end of the lead within the implantable medical device. A housing portion has a first deflection portion that deflects the connector clip from a first position corresponding to a first distance between the first arm and the second arm, to a second position corresponding to a second distance between the first arm and the second arm. Subsequent advancement of the lead through the first and second arms further deflects the connector clip from the second position to a third position, which transfers all of the spring force of the connector clip to the lead.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: An implantable medical device includes a housing comprising a titanium alloy selected from the group consisting of Ti-4.5Al-3V-2Fe-2Mo-0.15O, Ti-4Al-2.5V-1.5Fe-0.25O, Ti-6Al-2Sn-4Zr-2Mo, Ti-3Al-2.

Abstract: System for transcutaneous energy transfer to an implantable medical device adapted to be implanted under a cutaneous boundary having a housing having a first surface adapted to face the cutaneous boundary, the first surface of the housing of the implantable medical device having a first mating element, therapeutic componentry and a secondary coil operatively coupled to the therapeutic componentry. An external power source has housing having a first surface adapted to be placed closest to the cutaneous boundary, the first surface of the housing of the external power source having a second mating element and a primary coil capable of inductively energizing the secondary coil when externally placed in proximity of the secondary coil. The first mating element and the second mating element are configured to tactilely align the external power source with the implantable medical device.