Abstract: A patch antenna assembly that includes a signal metal layer configured to emit linearly polarized electromagnetic energy to a receiving antenna implanted up to 12 cm underneath a subject's skin; a signal metal layer substrate on which the signal metal layer substrate is positioned; a ground plane located next to the signal metal layer substrate and further away from the subject's skin; a microstrip and capacitance adjustment pad metal layer substrate located next to the ground plane; and a microstrip and capacitance adjustment pad metal layer next to the microstrip and capacitance adjustment pad metal layer substrate, the microstrip and capacitance adjustment pad metal layer comprising: a capacitance adjustment pad configured to adjust a resonant frequency of the patch antenna assembly; and a microstrip attached to the capacitance adjustment pad and configured to induce the emitted electromagnetic energy to be linearly polarized along a longitudinal direction of the microstrip.

Abstract: An ear-piece assembly includes (i) an antenna portion enclosing a transmitting antenna configured to send one or more input signals containing electrical energy to a passive implantable neural stimulator device such that the passive implantable neural stimulator generates one or more stimulation pulses suitable for stimulating a neural structure in the craniofacial region solely using the electrical energy in the input signals; and (ii) an enclosure coupled to the antenna portion, wherein enclosure is sized and shaped to be mounted on a helix portion of an ear such that, when worn by a patient, weight from the enclosure is distributed over the helix portion of the ear for the enclosure to rest thereon, wherein the enclosure comprises (i) a controller module configured to provide the one or more input signals to the transmitting antenna, and (ii) a battery adapted to provide energy to the ear-piece assembly.

Abstract: Some computer-assisted methods include: presenting configuration options to a user of the implanted stimulator device, the configuration options comprising stimulation parameters for the implanted stimulator; receiving a user specification of the configuration options in response to the presented configuration options; receiving user feedback when the user specified configuration options are implemented at the implanted stimulator device, the user feedback comprising a quantitative index of pain resulting from implementing the user specified configuration options on the implanted stimulator device; building a user profile for the user based on the user specified configuration options and the user feedback, the user profile including the user specified configuration options as well as the corresponding quantitative index of pain; and selecting at least one configuration option based on the user profile when the configuration options are subsequently presented to the user for a later treatment.

Abstract: An implantable wireless lead includes an enclosure, the enclosure housing: one or more electrodes configured to apply one or more electrical pulses to a neural tissue; a first antenna configured to: receive, from a second antenna and through electrical radiative coupling, an input signal containing electrical energy, the second antenna being physically separate from the implantable neural stimulator lead; one or more circuits electrically connected to the first antenna, the circuits configured to: create the one or more electrical pulses suitable for stimulation of the neural tissue using the electrical energy contained in the input signal; and supply the one or more electrical pulses to the one or more electrodes, wherein the enclosure is shaped and arranged for delivery into a subject's body through an introducer or a needle.

Abstract: Some computer-assisted methods include: presenting configuration options to a user of the implanted stimulator device, the configuration options comprising stimulation parameters for the implanted stimulator; receiving a user specification of the configuration options in response to the presented configuration options; receiving user feedback when the user specified configuration options are implemented at the implanted stimulator device, the user feedback comprising a quantitative index of pain resulting from implementing the user specified configuration options on the implanted stimulator device; building a user profile for the user based on the user specified configuration options and the user feedback, the user profile including the user specified configuration options as well as the corresponding quantitative index of pain; and selecting at least one configuration option based on the user profile when the configuration options are subsequently presented to the user for a later treatment.

Abstract: An integrated circuit includes: a radio-frequency (RF) to direct current (DC) rectifying circuit coupled to one or more antenna on an implantable wirelessly powered device, the rectifying circuit configured to: rectify an input RF signal received at the one or more antennas and from an external controller through electric radiative coupling; and extract DC electric power and configuration data from the input RF signal; a logic control circuit connected to the rectifying circuit and a driving circuit, the logic control circuit configured to: generate a current for the driving circuit solely using the extracted DC electrical power; in accordance with the extracted configuration data, set polarity state information for each electrode; and a driving circuit coupled to one or more electrode, the driving circuit comprising current mirrors and being configured to: steer, to each electrode and via the current mirrors, a stimulating current solely from the generated current.

Abstract: An integrated circuit includes: a radio-frequency (RF) to direct current (DC) rectifying circuit coupled to one or more antenna on an implantable wirelessly powered device, the rectifying circuit configured to: rectify an input RF signal received at the one or more antennas and from an external controller through electric radiative coupling; and extract DC electric power and configuration data from the input RF signal; a logic control circuit connected to the rectifying circuit and a driving circuit, the logic control circuit configured to: generate a current for the driving circuit solely using the extracted DC electrical power; in accordance with the extracted configuration data, set polarity state information for each electrode; and a driving circuit coupled to one or more electrode, the driving circuit comprising current mirrors and being configured to: steer, to each electrode and via the current mirrors, a stimulating current solely from the generated current.

Abstract: A wireless neural stimulator device can include: a housing configured to house: a first antenna configured to receive, from a second antenna and through electrical radiative coupling, an input signal containing electrical energy, the second antenna being physically separate from the wireless neural stimulator device; one or more flexible circuits electrically connected to the first antenna, the flexible circuits configured to create the one or more electrical pulses suitable to be applied at the electrodes using the electrical energy contained in the input signal and supply the one or more electrical pulses to one or more electrodes; one or more electrodes disposed on the housing, the one or more electrodes being coupled to the flexible circuits to receive the one or more electrical pulses supplied by the one or more flexible circuits; one or more fixation features disposed on the housing and configured to fixate the device to tissue.

Abstract: A handheld treatment device can include a handheld housing; a transmitting antenna located in the handheld housing and configured to accept one or more input signals and to transmit one or more electromagnetic signals to a neural stimulator that is implanted in the patient's body; and control circuitry located in the handheld housing and configured to provide the one or more input signals to the transmitting antenna.

Abstract: An antenna assembly includes a metal layer configured to emit linearly polarized electromagnetic energy to a receiving antenna implanted underneath a subject's skin; and a feed port configured to connect the antenna assembly to a signal generator such that the antenna assembly receives an input signal from the signal generator and then transmits the input signal to the receiving dipole antenna, wherein the antenna assembly is less than 200 um in thickness, and wherein the metal layer is operable as a dipole antenna with a reflection ratio of at least 6 dB, the reflection ratio corresponding to a ratio of a transmission power of the antenna assembly in transmitting the input signal and a reflection power seen by the antenna assembly resulting from electromagnetic emission of the input signal.

Abstract: A patch antenna assembly that includes a signal metal layer configured to emit linearly polarized electromagnetic energy to a receiving antenna implanted up to 12 cm underneath a subject's skin; a signal metal layer substrate on which the signal metal layer substrate is positioned; a ground plane located next to the signal metal layer substrate and further away from the subject's skin; a microstrip and capacitance adjustment pad metal layer substrate located next to the ground plane; and a microstrip and capacitance adjustment pad metal layer next to the microstrip and capacitance adjustment pad metal layer substrate, the microstrip and capacitance adjustment pad metal layer comprising: a capacitance adjustment pad configured to adjust a resonant frequency of the patch antenna assembly; and a microstrip attached to the capacitance adjustment pad and configured to induce the emitted electromagnetic energy to be linearly polarized along a longitudinal direction of the microstrip.

Abstract: An integrated circuit includes: a radio-frequency (RF) to direct current (DC) rectifying circuit coupled to one or more antenna on an implantable wirelessly powered device, the rectifying circuit configured to: rectify an input RF signal received at the one or more antennas and from an external controller through electric radiative coupling; and extract DC electric power and configuration data from the input RF signal; a logic control circuit connected to the rectifying circuit and a driving circuit, the logic control circuit configured to: generate a current for the driving circuit solely using the extracted DC electrical power; in accordance with the extracted configuration data, set polarity state information for each electrode; and a driving circuit coupled to one or more electrode, the driving circuit comprising current mirrors and being configured to: steer, to each electrode and via the current mirrors, a stimulating current solely from the generated current.