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IMPLANTABLE MEDICAL DEVICE THAT USES ELECTRICAL CURRENT STEERING BY MEANS OF OUTPUT IMPEDANCE MODULATION

  • US 20100125315A1
  • Filed: 10/26/2009
  • Published: 05/20/2010
  • Est. Priority Date: 11/14/2008
  • Status: Active Grant
First Claim
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1. A method of providing therapy to a patient implanted with a plurality of electrodes, the method comprising:

  • conveying electrical stimulation current from at least two of the electrodes to at least one of the electrodes along at least two electrical paths through tissue of the patient; and

    shifting the electrical stimulation current between the at least two electrical paths by actively adjusting one or more finite resistances respectively associated with one or more of the at least two electrical paths.

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