Abstract: A device for implantation in a patient may include an electrode arrays configured to apply at least one electrical pulse to an excitable tissue, the electrode array including at least one electrode; connector contacts, each integrally wired to a particular electrode array, each configured to drive the at least one electrode of the particular electrode array integrally wired thereto with the at least one electrical pulse; a first antenna configured to: receive, from a second antenna and through electrical radiative coupling, an input signal containing electrical energy, the second antenna located outside the patient's body; and one or more circuits electrically connected to the first antenna and the connector contacts, the circuits configured to: create the one or more electrical pulses suitable for stimulation of the excitable tissue by using the electrical energy contained in the input signal; and supply the one or more electrical pulses to the connector contacts.

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: Some implementations provide an implantable wirelessly powered device for implantation in a patient's body, the device including: electrode arrays configured to apply at least one electrical pulse to an excitable tissue, each electrode array including at least one electrode; two or more connector contacts, each integrally wired to a particular electrode array, each configured to drive the at least one electrode of the particular electrode array integrally wired thereto with the at least one electrical pulse and to set a polarity for each of the at least one electrode of the particular electrode array integrally wired thereto; a first antenna configured to: receive, from a second antenna and through electrical radiative coupling, an input signal containing electrical energy as well as polarity assignment information, the second antenna located outside the patient's body; and one or more circuits electrically connected to the first antenna and the connector contacts.

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: A headset for positioning an electronic device against a head of a patient includes a flexible frame configured to surround a portion of the head, the flexible frame defining an interior channel and an exterior slot, a curved structure configured to grasp an ear of the patient, the curved structure being movable within the interior channel of the flexible frame for accommodating a size of the head, and a mount including a support base to which the electronic device can be attached, the mount being slidable along the exterior slot of the flexible frame to position the electronic device along the head.

Abstract: A wearable assembly is configured to generate electrical pulses for transmission to an implanted tissue stimulator. The wearable assembly includes a wearable docking device, a plug-in device configured to mate with the wearable docking device, and a pulse generation module. The pulse generation module includes first internal electronics configured to generate the electrical pulses and located within the wearable docking device or within the plug-in device and second internal electronics providing a power source for the first internal electronics and located within the wearable docking device or within the plug-in device. The wearable assembly further includes a pulse transmission cable for transmitting the electrical pulses to a transmission antenna positioned adjacent the implanted tissue stimulator.

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 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.

Abstract: A headset for positioning an electronic device against a head of a patient includes a flexible frame configured to surround a portion of the head, the flexible frame defining an interior channel and an exterior slot, a curved structure configured to grasp an ear of the patient, the curved structure being movable within the interior channel of the flexible frame for accommodating a size of the head, and a mount including a support base to which the electronic device can be attached, the mount being slidable along the exterior slot of the flexible frame to position the electronic device along the head.

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: 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 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: Some implementations provide an implantable wirelessly powered device for implantation in a patient's body, the device including: two or more electrode arrays configured to apply at least one electrical pulse to an excitable tissue, each electrode array including at least one electrode; two or more connector contacts, each integrally wired to a particular electrode array, each configured to drive the at least one electrode of the particular electrode array integrally wired thereto with the at least one electrical pulse and to set a polarity for each of the at least one electrode of the particular electrode array integrally wired thereto; a first antenna configured to: receive, from a second antenna and through electrical radiative coupling, an input signal containing electrical energy as well as polarity assignment information, the second antenna located outside the patient's body; and one or more circuits electrically connected to the first antenna and the connector contacts, the circuits configured to: crea

Abstract: A wearable assembly is configured to generate electrical pulses for transmission to an implanted tissue stimulator. The wearable assembly includes a wearable docking device, a plug-in device configured to mate with the wearable docking device, and a pulse generation module. The pulse generation module includes first internal electronics configured to generate the electrical pulses and located within the wearable docking device or within the plug-in device and second internal electronics providing a power source for the first internal electronics and located within the wearable docking device or within the plug-in device. The wearable assembly further includes a pulse transmission cable for transmitting the electrical pulses to a transmission antenna positioned adjacent the implanted tissue stimulator.

Abstract: A method of percutaneously implanting a tissue stimulator at a tissue of a body includes inserting a sheath of an implantation device into the body through an incision adjacent the tissue and inserting the tissue stimulator into the sheath to position one or more fixation mechanisms of the tissue stimulator near the tissue within the body. With at least a portion of the sheath inside of the body, the method further includes separating the sheath into two or more portions and moving the two or more portions apart from each other to remove the sheath from the tissue stimulator. The method further includes withdrawing the two or more portions of the sheath from the body through the incision.

Abstract: A method for implanting a wireless neural stimulator device, the method including: inserting a device through on a patient's skin on a posterior side of the patient's neck region, wherein the device includes a proximal end, a distal end, a first opening at the proximal end, a second opening at the distal end, and a lumen extending between the first opening and the second opening; after inserting the device through the patient's skin, advancing the distal end into the epidural space of the patient; inserting the wireless neural stimulator device through the first opening; advancing the wireless neural stimulator from the first opening through the lumen until the wireless neural stimulator exits the second opening and into the patient's epidural space; and advancing the wireless neural stimulator through the epidural space until a target site is reached.

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 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: 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 includes (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.