Patent application number | Description | Published |
20120283800 | Neural Stimulator System - An implantable neural stimulator includes one or more electrodes, a dipole antenna, and one or more circuits and does not include an internal power source. The one or more electrodes are configured to apply one or more electrical pulses to neural tissue. The dipole antenna is configured to receive an input signal containing electrical energy utilizing electrical radiative coupling (for example, in the frequency range form 300 MHz to 8 GHz). The one or more circuits are configured to create one or more electrical pulses using the electrical energy contained in the input signal; supply the electrical pulses to the electrodes such the electrical pulses are applied to neural tissue; generate a stimulus feedback signal; and send the feedback to the dipole antenna to transmit to the second antenna through electrical radiative coupling. | 11-08-2012 |
20120303098 | METHOD, SYSTEM AND APPARATUS FOR CONTROL OF PANCREATIC BETA CELL FUNCTION TO IMPROVE GLUCOSE HOMEOSTASIS AND INSULIN PRODUCTION - The present invention provides methods, systems and apparatuses for effecting excitation or inhibition of small sensory nerve fibers, such as C-afferent fibers, by electrical stimulation of nerves innervating the pancreas in diabetic subjects. In an aspect the methods are directed to effecting insulin production and for the treatment of diabetes. This invention includes a closed or open loop feedback control system in which biomarker levels are monitored in order to direct electrical stimulation. An implantable or external neural stimulation device is also provided. | 11-29-2012 |
20120330384 | REMOTE CONTROL OF POWER OR POLARITY SELECTION FOR A NEURAL STIMULATOR - An implantable neural stimulator includes one or more electrodes, at least one antenna, and one or more circuits connected to the at least one antenna. The one or more electrodes are configured to apply one or more electrical pulses to excitable tissue. The antenna is configured to receive one or more input signals containing polarity assignment information and electrical energy, the polarity assignment information designating polarities for the electrodes. The one or more circuits are configured to control an electrode interface such that the electrodes have the polarities designated by the polarity assignment information; create one or more electrical pulses using the electrical energy contained in the input signal; and supply the one or more electrical pulses to the one or more electrodes through the electrode interface so that the one or more electrical pulses are applied according to the polarities designated by the polarity assignment information. | 12-27-2012 |
20130066400 | MICROWAVE FIELD STIMULATOR - A system includes a controller module, which includes a storage device, a controller, a modulator, and one or more antennas. The storage device is stored with parameters defining a stimulation waveform. The controller is configured to generate, based on the stored parameters, an output signal that includes the stimulation waveform, wherein the output signal additionally includes polarity assignments for electrodes in an implantable, passive stimulation device. The modulator modulates a stimulus carrier signal with the output signal to generate a transmission signal. The one or more antennas transmit the transmission signal to the implantable, passive stimulation device such that the implantable, passive stimulation device uses energy in the transmission signal for operation, sets the polarities for the electrodes in the implantable, passive stimulation device based on the encoded polarity assignments, generates electrical pulses using the stimulation waveform, and applies the electrical pulses to excitable tissue. | 03-14-2013 |
20130079849 | RELAY MODULE FOR IMPLANT - An implementation provides a system that includes: a control module including a first antenna, the control module configured to generate a first radio frequency (RF) signal and transmit the first RF signal using the first antenna; an implantable lead module including a second antenna and at least one electrode configured to stimulate excitable tissue of a subject; and a relay module configured to receive the first RF signal; generate a second RF signal based on the first RF signal, the second RF signal encoding a stimulus waveform to be applied by the at least one electrodes of the implantable lead module to stimulate the excitable tissue of the subject; and transmit the second RF signal to the implantable lead module. | 03-28-2013 |
20130310901 | METHODS AND DEVICES FOR MODULATING EXCITABLE TISSUE OF THE EXITING SPINAL NERVES - A method for modulating nerve tissue in a body of a patient includes implanting a wireless stimulation device in proximity to a dorsal root ganglion or an exiting nerve root such that an electrode, circuitry and a receiving antenna are positioned completely within the body of the patient. An input signal containing electrical energy and waveform parameters is transmitted to the receiving antenna(s) from a control device located outside of the patient's body via radiative coupling. The circuitry within the stimulation device generates one or more electrical impulses and applies the electrical impulses to the dorsal root ganglion or the exiting nerve roots through the electrode. | 11-21-2013 |
20140031837 | Implantable Lead - 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. | 01-30-2014 |
20140058480 | REMOTE CONTROL OF POWER OR POLARITY SELECTION FOR A NEURAL STIMULATOR - A system, including: an implantable neural stimulator including electrodes, at least one antenna and an electrode interface; a radio-frequency (RF) pulse generator module comprising an antenna module configured to send an input signal to the antenna in the implantable neural stimulator through electrical radiative coupling, the input signal containing electrical energy and polarity assignment information that designates polarity assignments of the electrodes in the implantable neural stimulator; and wherein the implantable neural stimulator is configured to: control the electrode interface such that the electrodes have the polarity assignments designated by the polarity assignment information, create one or more electrical pulses suitable for modulation of neural tissue using the electrical energy contained in the input signal, and supply the electrical pulses to the electrodes through the electrode interface such that the electrodes apply the electrical pulses to the neural tissue with the polarity assignments designated by the polarity assignment information. | 02-27-2014 |
20140058481 | NEURAL STIMULATOR SYSTEM - An implantable neural stimulator method for modulating excitable tissue in a patient including: implanting a neural stimulator within the body of the patient such that one or more electrodes of the neural stimulator are positioned at a target site adjacent to or near excitable tissue; generating an input signal with a controller module located outside of, and spaced away from, the patient's body; transmitting the input signal to the neural stimulator through electrical radiative coupling; converting the input signal to electrical pulses within the neural stimulator; and applying the electrical pulses to the excitable tissue sufficient to modulate said excitable tissue. | 02-27-2014 |
20140180365 | WEARABLE ANTENNA ASSEMBLY - 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 patient's 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. | 06-26-2014 |
20140275847 | WIRELESS IMPLANTABLE POWER RECEIVER SYSTEM AND METHODS - A method and system is presented for an implantable wireless power receiver for use with a medical stimulation or monitoring device. The receiver receives transmitted energy through one or more non-inductive antenna(s), utilizes microelectronics to perform rectification of the received signal for generation of a DC power supply to power an implantable device, and may also utilize microelectronics to provide parameter settings to the device, or stimulating or other waveforms to a tissue. | 09-18-2014 |
20140277257 | METHOD, SYSTEM AND APPARATUS FOR REMOTE NEURAL MODULATION BRAIN STIMULATION AND FEEDBACK CONTROL - A method, system and apparatus is presented for a wireless neural modulation feedback control system as it relates to an implantable medical device comprised of a radio frequency (RF) receiver circuit, one or more dipole or patch antenna(s), one or more electrode leads connected to at least one dipole or patch antenna(s), and at least one microelectronic neural modulation circuit, and an external or internally implanted RF device to neurally modulate brain tissue in order to treat medical conditions that can be mediated by neuronal activation or inhibition, such as Parkinson's, Alzheimer's, epilepsy, other motor or mood based disorders, and/or pain. The implantable receiver captures energy radiated by the RF transmitter unit and converts this energy to an electrical waveform by the implanted neural modulation circuit to deliver energy that can be utilized by the attached electrode pads in order to activate targeted neurons in the brain. | 09-18-2014 |