Enhanced dorsal horn stimulation using multiple electrical fields
First Claim
1. A non-transitory machine-readable medium including instructions, which when executed by a neuromodulator connected to implanted electrodes which are operably positioned near a spinal cord for use by the neuromodulator to deliver a therapy to the spinal cord, cause the neuromodulator to provide the therapy using implanted electrodes to a patient having a medical condition, including deliver electrical stimulation energy as a pulsed electrical waveform to the spinal cord in accordance with a stimulation program that preferentially stimulates dorsal horn neuronal elements over dorsal column neuronal elements in the spinal cord, wherein the instructions, which when executed by the neuromodulator, cause the neuromodulator to generate a first electrical field having a first during at least a first pulse in the pulsed electrical waveform, generate a second electrical field having a second orientation during at least a second pulse in the pulsed electrical waveform, and generate a third electrical field having a third during at least a third pulse in the pulsed electrical waveform the first, second and third orientations being different from each other.
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Abstract
A method of providing therapy to a patient having a medical condition comprises delivering electrical stimulation energy to the spinal cord of the patient in accordance with a stimulation program that preferentially stimulates dorsal horn neuronal elements over dorsal column neuronal elements in the spinal cord. The delivered electrical stimulation energy generates a plurality of electrical fields having different orientations that stimulate the dorsal horn neuronal elements.
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Citations
20 Claims
- 1. A non-transitory machine-readable medium including instructions, which when executed by a neuromodulator connected to implanted electrodes which are operably positioned near a spinal cord for use by the neuromodulator to deliver a therapy to the spinal cord, cause the neuromodulator to provide the therapy using implanted electrodes to a patient having a medical condition, including deliver electrical stimulation energy as a pulsed electrical waveform to the spinal cord in accordance with a stimulation program that preferentially stimulates dorsal horn neuronal elements over dorsal column neuronal elements in the spinal cord, wherein the instructions, which when executed by the neuromodulator, cause the neuromodulator to generate a first electrical field having a first during at least a first pulse in the pulsed electrical waveform, generate a second electrical field having a second orientation during at least a second pulse in the pulsed electrical waveform, and generate a third electrical field having a third during at least a third pulse in the pulsed electrical waveform the first, second and third orientations being different from each other.
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13. A system for providing a therapy to a patient using electrodes which are implanted operably near a spinal cord to deliver the therapy to the spinal cord, the system comprising a neuromodulator including stimulation output circuitry and a controller/processor:
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the stimulation output circuitry being configured to be electrically connected to the electrodes; and the controller/processor being configured to cooperate with the stimulation output circuitry to provide the therapy to the patient using the electrodes in accordance with a stimulation program that preferentially stimulates dorsal horn neuronal elements over dorsal column neuronal elements in the spinal cord including deliver electrical stimulation energy as a pulsed electrical waveform to the spinal cord, wherein the controller/processor is configured to cooperate with the stimulation output circuitry to generate a first electrical field having a first during at least a first pulse in the pulsed electrical waveform, a second electrical field having a second during at least a second pulse in the pulsed electrical waveform, and a third electrical field having a third during at least a third pulse in the pulsed electrical waveform, the first, second and third orientations being different from each other. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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Specification