A pulse generator that includes a communications module is disclosed herein. The communication module includes a transceiver and an antenna circuit. The antenna circuit includes a first pathway having a capacitor and a second, parallel pathway including a capacitor, and a resistor, and a radiating element arranged in series. The antenna circuit is tuned to have a resonant frequency corresponding to a desired transmission frequency and a bandwidth corresponding to shifts in the resonant frequency arising from the implantation of the antenna.

A method for determining an intensity index for electrical stimulation includes receiving stimulation information; determining a stimulation field from the stimulation information; determining at least one stimulation field function using the stimulation field; and analyzing the determined at least one stimulation field function to determine the intensity index. The intensity index corresponds to a stimulation target and indexes at least one dosing reference for electrical stimulation for that stimulation target.

Electrical stimulation systems and methods for operation of the electrical stimulation system are described. The method includes directing electrical stimulation through the electrodes of the lead and monitoring movements of a hand positioned over an implantation site of an implantable control module of the electrical stimulation system using an accelerometer coupled to a processor of the implantable control module. Another method includes detecting, by a sensor, a plurality of taps of a body region of a patient over an implantation site of the implantable control module, identifying, by the processor of the implantable control module, an indicator, trigger, or marker based on the detected tapping, and performing an activity corresponding to the identified indicator, trigger, or marker.

A wirelessly powered implantable stimulator device includes one or more antenna configured to receive an input signal non-inductively from an external antenna, the input signal containing (i) electrical energy to operate the implantable stimulator device and (ii) configuration data according to which a pulse-density modulation (PDM) encoded stimulus waveform signal is retrieved to synthesize a desired stimulation waveform; a circuit coupled to the one or more antenna; and one or more electrodes coupled to the circuit and configured to apply the desired stimulation waveform to neural tissue, wherein the circuit is configured to: rectify the input signal received at the one or more antennas non-inductively; extract the electrical energy and the configuration data from the input signal; and in accordance with the extracted configuration data, retrieve the pulse-density modulation (PDM) signal to synthesize the desired stimulation waveform therefrom.

An introducing device for locating a tissue region and deploying an electrode is shown and described. The introducing device may include an outer sheath. An inner sheath may be disposed within the outer sheath. The inner sheath may be configured to engage an implantable electrode. In an example, the inner sheath may comprise a stimulation probe having an uninsulated portion at or near a distal end of the delivery sheath. The outer sheath may be coupled to a power source or stimulation signal generating circuitry at a proximal end. A clinician may control application of the stimulation signal to a tissue region via the outer sheath.

An implantable electroacupuncture device (IEAD) treats an erectile dysfunction condition of a patient through application of stimulation pulses applied at a target tissue location underlying, or in the vicinity of, at least one of acupoints BL52, BL23 or GV4. The IEAD includes an IEAD housing having an electrode configuration thereon that includes at least two electrodes, and pulse generation circuitry located within the IEAD housing and electrically coupled to the at least two electrodes. The pulse generation circuitry is adapted to deliver EA stimulation pulses to the patient's body tissue at or near the target tissue location in accordance with a specified stimulation regimen, the stimulation regimen requiring that the stimulation session have a duration of T3 minutes and a rate of occurrence of once every T4 minutes, and wherein a ratio of T3/T4 is no greater than 0.05.

An implantable electroacupuncture device (IEAD) treats a specified medical condition of a patient through application of electroacupuncture (EA) stimulation pulses applied substantially at or near a specified acupoint, its underlying nerves, or other target tissue location. The IEAD includes an IEAD housing having an electrode configuration thereon that includes at least two electrodes, and pulse generation circuitry located within the IEAD housing and electrically coupled to the at least two electrodes. The pulse generation circuitry is adapted to deliver stimulation pulses to the patient's body tissue at or near the target tissue location in accordance with a specified stimulation regimen, the stimulation regimen requiring that the stimulation session have a duration of T3 minutes and a rate of occurrence of once every T4 minutes, and wherein a ratio of T3/T4 is no greater than 0.05.

Methods for transcutaneous charging of an implanted device may include removably coupling a charging device with a carrier having adhesive tabs, the tabs being movable between a first position configured to be spaced away from a skin surface and a second position configured to be urged against the skin surface; engaging a bottom surface of the charging device at least partially against the skin surface with the tabs in the first position; positioning the charging device until it is at least partially positioned over or proximate the implanted medical device; and moving the tabs to the second position so that respective adhesive surfaces of the tabs contact and adhere to the skin of the patient sufficiently to support the charging device coupled with the carrier for a duration of time sufficient to charge the implanted device.

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.

An exemplary method of treating a chronic low back pain condition in a patient includes 1) generating, by an electroacupuncture device implanted beneath a skin surface of the patient at at least one of acupoints BL22, BL23, BL24, BL25, and BL26 within the patient, stimulation sessions at a duty cycle that is less than 0.05, wherein the duty cycle is a ratio of T3 to T4 and each stimulation session included in the stimulation sessions has a duration of T3 minutes and occurs at a rate of once every T4 minutes, and 2) applying, by the electroacupuncture device, the stimulation sessions to the target tissue location in accordance with the duty cycle.