17 results about "Spinal cord stimulation" patented technology

The present technology provides systems and methods for delivering electrical stimulation having relatively long pulse widths to a patient’s spinal cord region to treat autonomic nervous system dysfunction. For example, some embodiments include delivering an electrical therapy signal having individual pulses with pulse widths of between about 2 milliseconds and about 10 seconds. The electrical therapy signals may treat autonomic nervous system dysfunction by normalizing activity of the patient’s parasympathetic nervous system, normalizing activity of the patient’s sympathetic nervous system, and / or normalizing a balance of activity between the patient’s parasympathetic and sympathetic nervous systems.

Methods and systems for testing and treating spinal cord stimulation (SCS) patients are disclosed. Patients are eventually treated with sub-perception (paresthesia free) therapy. However, supra-perception stimulation is used during “sweet spot searching” during which a stimulation location in an electrode array is determined. Preferably, the supra-perception stimulation comprises a bipole formed using actively-driven symmetric biphasic waveforms at active ones of the electrodes in the array. After determining the location, a perception threshold for the bipole at the location is determined and stored, and an amplitude of the stimulation is reduced below the perception threshold to provide a sub-perception stimulation bipole. The determined perception threshold may be transmitted to the patient's remote controller, where it is used to limit amplitude adjustments to the sub-perception bipole by the patient.

Systems, methods, and devices disclosed herein include a transcutaneous spinal cord stimulation (tSCS) system with a stimulation electrode grid. The stimulation electrode grid includes a plurality of anodes and a plurality of cathodes, and the stimulation electrode grid is operable for placement proximate to a spinous process. The system also includes a particularized electrical field generated by selective activation of the stimulation electrode grid. Moreover, a localized tSCS, provided by the particularized electrical field is operable to cause a neuromodulation effect. Also, the stimulation electrode grid includes a substrate material. The plurality of cathodes and the plurality of anodes are both arranged as rows or columns on the substrate material to form an integrated unit. The stimulation electrode grid includes a plurality of selectively activated electrode array activation configurations, and the neuromodulation effect generated by the system can be used to enhance voluntary extremity function and pain management.

The present technology provides systems and methods for delivering electrical stimulation having relatively long pulse widths to a patient’s spinal cord region to treat autonomic nervous system dysfunction. For example, some embodiments include delivering an electrical therapy signal having individual pulses with pulse widths of between about 2 milliseconds and about 10 seconds. The electrical therapy signals may treat autonomic nervous system dysfunction by normalizing activity of the patient’s parasympathetic nervous system, normalizing activity of the patient’s sympathetic nervous system, and / or normalizing a balance of activity between the patient’s parasympathetic and sympathetic nervous systems.

Various deformable thin film spinal cord stimulation devices that are deformable to conform to the shape and / or movement of the target spinal cord. Each device embodiment has an electrode body with at least one deformation section disposed longitudinally within the electrode body and at least one electrode contact. Some implementations have a distal structure that can be formed into a pusher receiving structure such as a pocket or a collar.

Systems and methods are disclosed for conducting spinal cord stimulation or other neurostimulation and sensing evoked compound action potential (ECAP) signals. The sensed signals may be processed to isolate ECAP features from noise and / or interfering signals. The isolated ECAP features may be used to control neurostimulation therapy for the patient, such as to quantify or measure lead migration and adjust a neurostimulation therapy for the patient to account for an impact of any detected lead migration, or other purposes (e.g., to guide an implant procedure).

This invention discloses a spinal cord stimulation pulse generator and a spinal cord stimulation system. The spinal cord stimulation pulse generator receives user information sent by a programmable device to obtain the target user's ECAP guidance range and target ECAP amplitude E. T The system acquires ECAP signals via stimulation electrodes. Based on whether the ECAP amplitude of the current cycle or the weighted ECAP amplitude of multiple adjacent cycles exceeds the range, a control algorithm is executed to determine the stimulation parameters for the next cycle, ultimately stabilizing the ECAP amplitude at the target ECAP amplitude within the ECAP guidance range. T This allows for dynamic and precise stimulation adjustment, enhancing the stability of spinal cord electrical stimulation.

This application discloses a portable modular non-invasive spinal cord stimulation device and stimulation method. The stimulation device includes an electrode module and a stimulation module, with the stimulation module disposed on top of the electrode module and electrically connected to it. The electrode module includes a flexible substrate, a conductive contact layer, and a wire connection interface. The stimulation module includes a flexible encapsulation shell, a control unit, a power supply unit, and an electrical connection terminal. The electrical connection terminal is detachably connected to the wire connection interface and is equipped with a snap-fit ​​structure. Furthermore, the electrical connection terminal designed in this application can be located at the bottom or side of the flexible encapsulation shell; when located on the side, it is connected via a connecting wire with a cable protective sleeve. Through the above design, the integrated modular design of this application improves portability and fit, avoids motion interference, facilitates electrode consumable replacement, and is suitable for various scenarios. It can be used for pain intervention, motor function rehabilitation, etc., solving the problems of poor portability, significant motion interference, insufficient fit, and inconvenient consumable replacement of existing devices.

Provided is a closed-loop neuromodulation system involving coordinated intervention of the brain, the spinal cord, and the lumbosacral region, which comprises a deep brain stimulation unit (401), a deep brain field potential sensing unit (402), a spinal cord stimulation unit (501), an evoked potential sensing unit (502), a control decision-making unit (10), a deep brain electrode (403), a spinal cord electrode (503), a lumbosacral electrode (602), a docking lead (601), a radio frequency transmission unit (20), and a wireless charging and power management unit (30). By constructing an application strategy for coordinated regulation of the brain, the spinal cord, and the lumbosacral region, only one neurostimulator needs to be implanted. It can be used alone for brain diseases or spinal cord-related diseases, and can also be used for coordinated stimulation for motor function reconstruction and recovery in paralyzed patients and patients with motor dysfunction, as well as for the treatment of urinary system complications. The whole system is modular in application, can be selectively used according to disease conditions, and has a wider application range.

The present technology provides systems and methods for delivering electrical stimulation having relatively long pulse widths to a patient’s spinal cord region to treat autonomic nervous system dysfunction. For example, some embodiments include delivering an electrical therapy signal having individual pulses with pulse widths of between about 2 milliseconds and about 10 seconds. The electrical therapy signals may treat autonomic nervous system dysfunction by normalizing activity of the patient’s parasympathetic nervous system, normalizing activity of the patient’s sympathetic nervous system, and / or normalizing a balance of activity between the patient’s parasympathetic and sympathetic nervous systems.

A connector system is provided for a positional sensitive spinal cord stimulation apparatus using reflectometry which incorporates the ability to connect to current IPG's either in a percutaneous or laminectomy form and which utilizes a novel light to frequency converter to generate a stimulation voltage in wave form to effect spinal cord stimulation.

Disclosed is a method for restoring movement to a spastic muscle group. The method includes measuring one or more spinal activity values in association with a movement and decoding the measured spinal activity values to determine a time-varying neural activity pattern. The method further includes performing spinal cord stimulation (SCS) of one or more afferent fibres associated with the muscle group to enable muscular activity assisting the movement, wherein the SCS is modulated according to the neural activity pattern.

Systems and methods directed to controlling a magnetic spinal cord stimulation system and model-based stimulation plan are provided. A magnetic spinal cord stimulation system includes at least one magnetic coil and a power source. The power source is operatively connected to the at least one magnetic coil to deliver an electric current to the at least one magnetic coil. A controller receives a plurality of input parameters. The controller utilizes an electromagnetic and neurophysiological prediction model to create a stimulation plan based on the plurality of input parameters. The control controls the power source and the model-based stimulation plan to deliver the electrical current through the at least one magnetic coil. Time-varying magnetic fields are created that induce stimulating electric fields within spinal cord tissue at a depth to directly stimulate motor pathways in the spinal cord.

An algorithm for determining optimal low frequency and sub-perception spinal cord stimulation for a patient is disclosed. The unfolded bipolar is preferably used both to locate the stimulation to target the patient's pain and to provide the resulting therapy. The stimulation is provided at very low frequencies, such as 10 Hz or lower, and preferably 2 Hz. Furthermore, the sub-perception is provided by using lower amplitudes than are conventional in typical SCS stimulation therapy, as well as longer pulse widths. This results in the determined stimulation therapy drawing very little power. The therapy is preferably provided by using symmetric biphasic pulses.

Methods and systems for spinal cord stimulation (SCS) are disclosed. The methods and systems involve using electrode leads implanted within the patient's spinal column to record neural responses evoked by the stimulation. The disclosed neural responses are different in several respects from electrical responses that have previously been measured in the context of SCS, such as stimulation artifacts and evoked compound action potentials (ECAPs). The disclosed neural responses typically occur later in time following the evoking stimulation pulse. Another distinguishing feature is that disclosed neural responses are generally most prominently observed with consistent, relatively unchanging amplitudes when the evoking stimulation frequency is ultra-low, for example, about 10 Hz or less. The disclosed methods and systems may use these neural responses as indications of pain, therapy, and / or another clinically relevant dimension, to direct / confirm stimulation placement, and for feedback control of stimulation parameters.