Non invasive neuromodulation device for enabling recovery of motor, sensory, autonomic, sexual, vasomotor and cognitive function

Patent metadata

Field	Value
Publication number	US-11033736-B2
Application number	US-201816189655-A
Country	US
Kind code	B2
Filing date	Nov 13, 2018
Priority date	Nov 11, 2011
Publication date	Jun 15, 2021
Grant date	Jun 15, 2021

Abstract

In one example embodiment, a neuromodulation system for inducing locomotor activity in a mammal, in cooperation with a signal generator and an electrode, delivers a signal with an overlapping high frequency pulse to a mammal.

First claim

The invention is claimed as follows:

1. A neuromodulation system for inducing locomotor activity in a mammal, the neuromodulation system comprising:
a processor;
a signal generation system communicatively coupled to the processor;
at least one sensor communicatively coupled to the processor;
a plurality of electrodes electrically coupled to the signal generator; and
a memory device communicatively coupled to the processor and configured to store instructions which when executed by the processor, cause the processor, in cooperation with the signal generation system, to deliver a first stimulation specified by first stimulation parameters for a continuous therapeutic signal with an overlapping high frequency pulse, the first stimulation being delivered to the mammal via at least two electrodes of the plurality of electrodes that are identified by the first stimulation parameters,
wherein the instructions which when executed by the processor, additionally cause the processor to:
receive physiological data from the at least one sensor in relation to the delivery of the first stimulation,
provide the first stimulation parameters and the physiological data to an algorithm for determining second stimulation parameters,
receive the second stimulation parameters from the algorithm, and
operate in cooperation with the signal generation system to deliver a second stimulation specified by the second stimulation parameters via the same or different at least two electrodes of the plurality of electrodes, the same or different at least two electrodes identified by the second stimulation parameters.

2. The neuromodulation system of claim 1 , wherein the at least one sensor includes at least one of an electromyography (“EMG”) sensor, a joint angle sensor, a flex sensor, an accelerometer, a gyroscope sensor, a flow sensor, a pressure sensor, a load sensor, a surface EMG electrode, a foot force plate sensor, an in-shoe sensor, an accelerator, or a motion capture system.

3. The neuromodulation system of claim 1 , wherein the at least one sensor includes at least one of a recording electrode, a recording electrode array, or a plurality of electrode arrays.

4. The neuromodulation system of claim 1 , wherein signals recorded by the sensor are at least one of amplified or filtered to form the physiological data.

5. The neuromodulation system of claim 1 , wherein the signal generation system includes a first signal generator configured to provide continuous therapeutic signals between 0.5 Hz to 100 Hz, and a second signal generator configured to provide overlapping high frequency pulses between 5 kHz to 10 kHz.

6. The neuromodulation system of claim 5 , wherein the signal generation system is configured to deliver at least one of the first stimulation or the second stimulation at a current between 30-200 mA.

7. The neuromodulation system of claim 1 ,
wherein the second stimulation parameters provide a more optimal inducement of locomotor activity in the mammal compared to inducement caused by the first stimulation parameters.

8. The neuromodulation system of claim 1 , wherein the first and second stimulation parameters identify at least one of a waveform shape, an amplitude, a frequency, or a relative phasing of the receptive first or second stimulation.

9. The neuromodulation system of claim 1 , wherein the first and second stimulation parameters identify which at least two of the plurality of electrodes are to provide the respective first or second stimulation.

10. The neuromodulation system of claim 1 , wherein the plurality of electrodes are placed over at least one of a neck, a lower back, a thoracic portion of a spinal cord, or in proximity to an end organ of the mammal,
wherein the lower back includes at least one of a lumbar portion, a lumbosacral portion, and a sacral portion of the spinal cord, and
wherein the thoracic portion of the spinal cord includes T11-T12 vertebrae.

11. The neuromodulation system of claim 1 , wherein at least one of the first stimulation parameters or the second stimulation parameters are configured for treating at least one of (i) a spinal cord injury which is classified as one of motor complete or motor incomplete, (ii) an ischemic brain injury from at least one of a stroke or acute trauma, (iii) a neurodegenerative brain injury, (iv) chronic pain, (v) spasm, (vi) autonomic function, (vii) sexual function, (viii) vasomotor function, or (ix) cognitive function, and
wherein the neurodegenerative brain injury is a brain injury associated with a condition selected from the group consisting of Parkinson's disease, Huntington's disease, Alzheimer's disease, ischemia, stroke, amyotrophic lateral sclerosis (ALS), primary lateral sclerosis (PLS) or other neurological disorders such as cerebral palsy.

12. The neuromodulation system of claim 1 , wherein the system induces motor activity which comprises at least one of standing, stepping, a walking motor pattern, sitting down, laying down, reaching, grasping, pulling, chewing, swallowing, sexual function, respiratory function, and pushing.

13. A neuromodulation method for inducing locomotor activity in a mammal, the neuromodulation method comprising:
selecting, via a processor from a memory device, first stimulation parameters specifying a first continuous therapeutic signal with a first overlapping high frequency pulse;
causing, via the processor, a signal generation system and at least two electrodes of a plurality of electrodes to deliver to the mammal a first stimulation based on the first stimulation parameters, the at least two electrodes being specified by the first stimulation parameters;
receiving, in the processor from at least one sensor, physiological data in relation to the delivery of the first stimulation;
providing, via the processor, the first stimulation parameters and the physiological data to an algorithm for determining second stimulation parameters, the second stimulation parameters specifying a second continuous therapeutic signal with a second overlapping high frequency pulse;
receiving, in the processor from the algorithm, the second stimulation parameters; and
causing, via the processor, the signal generation system and the same or different at least two electrodes of the plurality of electrodes to deliver to the mammal a second stimulation based on the second stimulation parameters, the at least two electrodes being specified by the second stimulation parameters.

14. The neuromodulation method of claim 13 , further comprising at least one of amplifying or filtering signals recorded by the sensor as the physiological data.

15. The neuromodulation method of claim 13 , wherein the signal generation system includes a first signal generator configured to provide continuous therapeutic signals between 0.5 Hz to 100 Hz, and a second signal generator configured to provide overlapping high frequency pulses between 5 kHz to 10 kHz.

16. The neuromodulation method of claim 15 , wherein the signal generation system is configured to deliver at least one of the first stimulation or the second stimulation at a current between 30-200 mA.

17. The neuromodulation method of claim 13 , further comprising:
(i) receiving, in the processor from the at least one sensor, second physiological data in relation to the delivery of the second stimulation;
(ii) determining providing, via the processor, the first stimulation parameters, the physiological data, the second stimulation parameters, and the second physiological data to the algorithm for determining third stimulation parameters, the third stimulation par

Assignees

• Univ California

Inventors

• Edgerton Victor Reggie
• Gerasimenko Yuri P
• Terrafranca Nicholas A
• Lu Daniel C

Classifications

• A61N1/36178

  Burst or pulse train parameters · CPC title

• A61N1/36021

  for treatment of pain · CPC title

• A61N1/36003 Primary

  of motor muscles, e.g. for walking assistance · CPC title

• A61N1/37288

  Communication to several implantable medical devices within one patient · CPC title

• A61N1/0456

  Specially adapted for transcutaneous electrical nerve stimulation [TENS] · CPC title