Apparatus and methods for stimulating tissue
First Claim
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1. A method, comprising the steps of:
- generating action potentials in neural fibers in first and second neural fiber bundles with a first electrode that is a first distance from the first neural fiber bundle and is a second distance, that is greater than the first distance, from the second neural fiber bundle; and
blocking at least some of the action potentials in the first neural fiber bundle with a second electrode that is the first distance from the first neural fiber bundle and the second distance from the second neural fiber bundle.
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Abstract
Apparatus and methods for stimulating tissue employing local current imbalance to facilitate more effective stimulation regimens.
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Citations
20 Claims
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1. A method, comprising the steps of:
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generating action potentials in neural fibers in first and second neural fiber bundles with a first electrode that is a first distance from the first neural fiber bundle and is a second distance, that is greater than the first distance, from the second neural fiber bundle; and
blocking at least some of the action potentials in the first neural fiber bundle with a second electrode that is the first distance from the first neural fiber bundle and the second distance from the second neural fiber bundle. - View Dependent Claims (2, 3, 4)
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5. A neurostimulation system for use with a first implantable lead including a plurality of lead electrodes, the neurostimulation system comprising:
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an implanted pulse generator (IPG) including a lead connector;
circuitry, operably connected to the lead connector, to generate electrical waveforms that create action potentials in neural fibers in first and second neural fiber bundles with a first lead electrode, the first neural fiber bundle being a first distance from the first implantable lead and the second neural fiber bundle being a second distance, that is greater than the first distance, from the first implantable lead; and
circuitry, operably connected to the lead connector, that generates electrical waveforms to block at least some of the action potentials in the first neural fiber bundle with a second lead electrode. - View Dependent Claims (6, 7, 8, 9, 10)
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11. A neurostimulation system for use with a first implantable lead including a plurality of lead electrodes, the neurostimulation system comprising:
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an implanted pulse generator (IPG) including a lead connector and a case electrode;
circuitry, operably connected to the lead connector, to source current at a first lead electrode; and
circuitry, operably connected to the lead connector and the case electrode, to sink a portion of the current from the first lead electrode at a second lead electrode and to sink a portion of the current from the first lead electrode at the case electrode. - View Dependent Claims (12, 13)
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14. A method, comprising the steps of:
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sourcing current into neural tissue with a first electrode on an implantable lead;
sinking a portion of the current from the first electrode at a second electrode on the implantable lead; and
sinking another portion of the current from the first electrode at a remote electrode. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification