Spinal cord stimulation (SCS) system having a recharging system with self alignment, a system for mapping current fields using a completely wireless system, multiple independent electrode stimulation outsource, and control through software on a Smartphone/mobile device and tablet hardware during trial and permanent implants. SCS system can include multiple electrodes, multiple, independently programmable, stimulation channels within an implantable pulse generator (IPG) providing concurrent, but unique stimulation fields. SCS system can include a replenishable power source, rechargeable using transcutaneous power transmissions between antenna coil pairs. An external charger unit, having its own rechargeable battery, can charge the IPG replenishable power source. A real-time clock can provide an auto-run schedule for daily stimulation. A bi-directional telemetry link informs the patient or clinician the status of the system, including the state of charge of the IPG battery. Other processing circuitry in current IPG allows electrode impedance measurements to be made.

Neural stimulator systems with an external magnetic coil to produce changing magnetic fields is applied outside the body, in conjunction with one or more tiny injectable objects that concentrates the induced electric or magnetic field to a highly-targeted location. These systems include a driver circuit for the magnetic coil that allows for high voltage and fast pulses in the coil, while requiring low-voltage power supply that may be powered by a wearable or portable external device, along with the coil and driver circuit.

Presented herein are techniques for enhancing a hearing prosthesis recipient's perception of multiple frequencies present in received sound signals. The hearing prosthesis is configured to extract a plurality of frequencies from the received sound signals and to use the plurality of frequencies to modulate the amplitudes of different stimulation pulse sequences that are to be delivered to the recipient via different stimulation channels. The hearing prosthesis may also adapt a stimulation resolution of the stimulation pulse sequences when delivering the modulated stimulation pulses sequences to the recipient.

An implantable electronic device includes a flexible circuit board, one or more circuit components attached to the flexible circuit board and configured to convert electrical energy into electrical pulses, and one or more electrodes attached to the flexible circuit board without cables connecting the electrodes to each other or to the flexible circuit board, the one or more electrodes configured to apply the electrical pulses to a tissue adjacent the implantable electronic device.

An implantable medical device, such as an implantable pulse generator, includes a case; an integrated circuit device disposed within the case, the integrated circuit device including a temperature sensor; and a thermal coupling medium disposed between, and in contact with, the case and the integrated circuit device, wherein the thermal coupling medium is a solid, liquid, gel, or any combination thereof.

An in vivo-implantable medical device includes a housing that includes a body part and a protruding part, and that forms a sealed inner space; a power-receiving coil in a part of the inner space and that receives power by interlinking with external magnetic flux generated by an AC current flowing in an externally located power-transmitting coil; and a circuit substrate including a power reception circuit electrically connected to the power-receiving coil. The body part includes a metallic biocompatible material and the protruding part includes a non-metallic biocompatible material. The protruding part is structured so that, for a magnetic path along which the external magnetic flux passes, a magnetic path in which the magnetic flux interlinks with the power-receiving coil while avoiding the body part is formed, and the protruding part reduces eddy current loss caused by eddy currents generated by the external magnetic flux interlinking with the body part.

An electrical stimulation lead includes a lead body having a distal end portion and a proximal end portion; electrodes disposed along the distal end portion; terminals disposed along the proximal end portion; and conductors extending within the lead body and electrically coupling the electrodes to the terminals; wherein at least one of the electrodes or terminals includes a capacitive contact having a first outer cylinder, an inner cylinder at least partially disposed within the first outer cylinder, and a first non-conductive dielectric deposited between the inner cylinder and the first outer cylinder. The capacitive contacts can also be used as contacts in a connector of a lead extension or a control module.

A wearable device for facilitating neurophysiological treatment of a patient harboring an implanted neural stimulator is provided. The wearable device includes a transmitting antenna configured to accept one or more input signals and to transmit one or more electromagnetic signals to a neural stimulator that is implanted in a patients body. The wearable device further includes a control circuitry configured to provide the one or more input signals to the transmitting antenna. The wearable device further includes a battery that provides electrical power to at least the control circuitry. The wearable device is configured to be worn outside the patient's body.

A neurostimulation system is shown and described. The neurostimulation system may include a stimulation device implantable into a patient, a lead operatively coupled with the stimulation device, a first power cell providing power to the stimulation device where the first power cell is charged by an externally applied AC (High HF) magnetic field.

An integrated headpiece for a cochlear implant system includes a microphone for outputting an audio signal; signal processing electronics for processing the audio signal; and a transmitter for transmitting a processed audio signal received from the electronics to an implanted receiver. All of the microphone, signal processing electronics, and transmitter are disposed in a common housing of the integrated headpiece. The headpiece may also be one of a set of headpieces that can be alternatively used as needed to suit power consumption requirements or environmental conditions. Cochlear implant systems include a circuit board having electronic circuitry configured to generate one or more signals configured to direct electrical stimulation of one or more stimulation sites within a patient, an induction coil configured to transmit a telemetry signal by generating a telemetry magnetic field, and a telemetry flux guide positioned between the induction coil and the circuit board. The telemetry flux guide is configured to direct magnetic flux of the telemetry magnetic field away from the circuit board.