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Neurostimulation system and method for rostro-caudally steering current using longitudinal ideal multipole configurations

  • US 10,207,113 B2
  • Filed: 07/05/2016
  • Issued: 02/19/2019
  • Est. Priority Date: 03/15/2011
  • Status: Active Grant
First Claim
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1. A system for an electrical neurostimulator coupled to a plurality of electrodes, comprising:

  • a user-controlled input device configured for generating directional control signals; and

    control circuitry configured for sequentially defining a plurality of different target configurations relative to the plurality of electrodes in response to the directional control signals, generating a plurality of stimulation parameter sets respectively corresponding to the plurality of different target configurations, each stimulation parameter set defining relative amplitude values for the plurality of electrodes that emulate the respective target configuration, and instructing the electrical neurostimulator to convey electrical energy to the plurality of electrodes in accordance with the plurality of stimulation parameter sets, wherein each of the plurality of different target configurations includes at least one pole that can be emulated as a fractionalized current value on the plurality of electrodes, and each of the plurality of different target configurations differs from other ones of the plurality of different target configurations in at least one value selected from the group of values consisting of;

    a value for a number of poles, a polarity value for at least one of the poles;

    a value defining a spatial relationship between at least two of the poles; and

    a value defining relative intensities of the poles.

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