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Apparatus and method for blocking activation of tissue or conduction of action potentials while other tissue is being therapeutically activated

  • US 20040162594A1
  • Filed: 05/17/2001
  • Published: 08/19/2004
  • Est. Priority Date: 05/17/2001
  • Status: Active Grant
First Claim
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1. A system for producing a desired effect by therapeutically activating tissue at a first predetermined site within a patient'"'"'s body and for reducing a corresponding undesired side effect by blocking activation of tissue or conduction of action potentials at a second predetermined site within the patient'"'"'s body, the system comprising:

  • a first signal generator for producing low frequency stimulation;

    a second signal generator for producing high frequency and/or direct current pulse stimulation; and

    at least one implantable lead including a first electrode coupled to the first signal generator, the first electrode being adapted to therapeutically activate tissue at the first predetermined site by applying low frequency stimulation, the at least one implantable lead including a second electrode coupled to the second signal generator, the second electrode being adapted to block activation of electrically excitable tissue at the second site by applying high frequency stimulation or one or more direct current pulses or both high frequency stimulation and one or more direct current pulses at or near the second site.

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