System for selective spatiotemporal stimulation of the spinal cord
First Claim
1. A system for spatiotemporal electrical neurostimulation of a spinal cord of a subject, comprising:
- a signal processing device configured to receive signals from said subject and operate signal-processing algorithms to determine stimulation parameter settings;
one or more multi-electrode arrays configured to cover a portion of the spinal cord of said subject and apply selective spatiotemporal stimulation of spinal circuits and/or dorsal roots of the subject; and
an Implantable Pulse Generator (IPG) configured to receive the stimulation parameter settings from said signal processing device and simultaneously deliver independent current or voltage pulses to the one or more multi-electrode arrays;
wherein said IPG is operatively connected with the signal processing device and the one or more multi-electrode arrays to provide a multipolar stimulation, where the multipolar stimulation directs a stimulation field to a desired anatomical location by modulating a shape of the stimulating field to enhance a spatial specificity of the electrical neuro stimulation; and
wherein the system is configured and arranged to collect information about locomotor intention of the subject and decode this information by means of the signal processing device.
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Accused Products
Abstract
The present disclosure refers to systems for electrical neurostimulation of a spinal cord of a subject in need of nervous system function support. In one example, a system comprises a signal processing device configured to receive signals from the subject and operate signal-processing algorithms to elaborate stimulation parameter settings; one or more multi-electrode arrays suitable to cover a portion of the spinal cord of the subject; and an Implantable Pulse Generator (IPG) configured to receive the stimulation parameter settings from the signal processing device and simultaneously deliver independent current or voltage pulses to the one or more multiple electrode arrays, wherein the independent current or voltage pulses provide multipolar spatiotemporal stimulation of spinal circuits and/or dorsal roots. Such system advantageously enables effective control of nervous system functions in the subject by stimulating the spinal cord, such as the dorsal roots of the spinal cord, with spatiotemporal selectivity.
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Citations
30 Claims
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1. A system for spatiotemporal electrical neurostimulation of a spinal cord of a subject, comprising:
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a signal processing device configured to receive signals from said subject and operate signal-processing algorithms to determine stimulation parameter settings; one or more multi-electrode arrays configured to cover a portion of the spinal cord of said subject and apply selective spatiotemporal stimulation of spinal circuits and/or dorsal roots of the subject; and an Implantable Pulse Generator (IPG) configured to receive the stimulation parameter settings from said signal processing device and simultaneously deliver independent current or voltage pulses to the one or more multi-electrode arrays; wherein said IPG is operatively connected with the signal processing device and the one or more multi-electrode arrays to provide a multipolar stimulation, where the multipolar stimulation directs a stimulation field to a desired anatomical location by modulating a shape of the stimulating field to enhance a spatial specificity of the electrical neuro stimulation; and wherein the system is configured and arranged to collect information about locomotor intention of the subject and decode this information by means of the signal processing device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A system for electrical neurostimulation of a spinal cord of a subject, comprising:
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a pulse generator configured to simultaneously deliver independent current or voltage pulses to multiple electrodes; and one or more multi-electrode arrays configured to cover a portion of the spinal cord to selectively stimulate spinal circuits and/or dorsal roots, wherein said pulse generator is operatively connected with said one or more multi-electrode arrays to provide a multipolar stimulation that directs a stimulation field to a desired anatomical location by modulating a shape of the stimulating field to enhance a spatial specificity of the electrical neurostimulation; and wherein the system is configured and arranged to collect information about locomotor intention of the subject and decode this information by means of a signal processing device. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21)
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22. A closed-loop system for electrical neurostimulation of a spinal cord of a subject for a fine control of movement comprising:
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a real-time monitoring component comprising sensors continuously acquiring feedback signals from said subject, operatively connected with a signal processing device configured to receive said feedback signals and operate real-time automatic control algorithms to determine electrical stimulation parameter settings, operatively connected with an Implantable Pulse Generator (IPG) configured to receive said stimulation parameter settings from said signal processing device and simultaneously deliver independent current or voltage pulses to multiple electrodes, operatively connected with one or more multi-electrode arrays configured to cover a portion of the spinal cord and apply a selective stimulation of spinal circuits and/or dorsal roots of the subject, wherein said IPG provides said one or more multi-electrode arrays with a multipolar stimulation that directs a stimulation field to a desired anatomical location by modulating a shape of the stimulating field to enhance a spatial specificity of the electrical neurostimulation; and wherein the closed-loop system is configured and arranged to collect information about locomotor intention of the subject and decode this information by means of the signal processing device. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30)
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Specification