System and method for compounding low-frequency sources for high-frequency neuromodulation
First Claim
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1. A method comprising:
- treating chronic pain using a plurality of electrodes, including providing a high-frequency neuromodulation therapy to therapeutically modulate a volume of spinal cord tissue to treat chronic pain without causing paresthesia, the plurality of electrodes including a common electrode and at least two electrodes different than the common electrode,wherein providing the high-frequency neuromodulation therapy includes;
placing the common electrode adjacent to the volume of spinal cord tissue to be therapeutically modulated to treat chronic pain; and
delivering a combined electrical pulse train having an average pulse rate equal to or greater than 1 KHz, wherein delivering the combined electrical pulse train includes respectively delivering at least two electrical pulse trains from the at least two electrodes to the common electrode to provide the combined electrical pulse train from the common electrode to the volume of tissue to be modulated to treat chronic pain without causing paresthesia, wherein each of the at least two electrical pulse trains are concurrently delivered to the common electrode and have an average pulse rate less than the average pulse rate of the combined electrical pulse train.
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Abstract
A neuromodulation system and method of providing therapy to a patient. A plurality of individual electrical pulse trains is generated at a respective plurality of individual pulse rates. The plurality of individual electrical pulse trains are concurrently respectively from a plurality of electrodes to a common electrode via tissue of the patient, thereby creating a combined electrical pulse train having an average pulse rate equal to or greater than 1 KHz.
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Citations
20 Claims
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1. A method comprising:
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treating chronic pain using a plurality of electrodes, including providing a high-frequency neuromodulation therapy to therapeutically modulate a volume of spinal cord tissue to treat chronic pain without causing paresthesia, the plurality of electrodes including a common electrode and at least two electrodes different than the common electrode, wherein providing the high-frequency neuromodulation therapy includes; placing the common electrode adjacent to the volume of spinal cord tissue to be therapeutically modulated to treat chronic pain; and delivering a combined electrical pulse train having an average pulse rate equal to or greater than 1 KHz, wherein delivering the combined electrical pulse train includes respectively delivering at least two electrical pulse trains from the at least two electrodes to the common electrode to provide the combined electrical pulse train from the common electrode to the volume of tissue to be modulated to treat chronic pain without causing paresthesia, wherein each of the at least two electrical pulse trains are concurrently delivered to the common electrode and have an average pulse rate less than the average pulse rate of the combined electrical pulse train. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A method, comprising:
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treating chronic pain using a plurality of electrodes, including providing a high-frequency neuromodulation therapy to therapeutically modulate a volume of spinal cord tissue to treat chronic pain without causing paresthesia, the plurality of electrodes including a first common electrode and a second common electrode and a first group of at least two electrodes different than the first common electrode and a second group of at least two electrodes different than the second common electrode, wherein providing the high-frequency neuromodulation therapy includes; placing the first common electrode adjacent to the volume of spinal cord tissue to be therapeutically modulated and placing the second common electrode adjacent to the volume of spinal cord tissue to be therapeutically modulated; delivering both a first combined electrical pulse train and a second combined electrical pulse train where each has an average pulse rate equal to or greater than 1, wherein delivering the first combined electrical pulse train includes respectively delivering at least two electrical pulse trains from the first group of at least two electrodes to the first common electrode to provide the first combined electrical pulse train from the first common electrode to the volume of spinal cord tissue to be modulated, wherein delivering the second combined electrical pulse train includes respectively delivering at least two electrical pulse trains from the second group of at least two of electrodes to the second common electrode to provide the second combined electrical pulse train from the second common electrode to the volume of spinal cord tissue to be modulated wherein each of the at least two electrical pulse trains of each group are concurrently delivered to their respective common electrode and each have an average pulse rate less than the average pulse rate of each respective combined electrical pulse train, wherein each of the individual electrical pulse trains is generated in accordance with a cyclically varying set of modulation parameters, and wherein the first and second combined electrical pulse trains for the high-frequency neuromodulation therapy are used to block or otherwise disrupt naturally occurring action potentials within neural fibers to treat chronic pain without causing paresthesia.
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Specification