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Steering stimulation current by employing steering current

  • US 8,452,414 B2
  • Filed: 09/10/2010
  • Issued: 05/28/2013
  • Est. Priority Date: 09/29/2009
  • Status: Active Grant
First Claim
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1. A method of steering current to stimulate tissue by an implantable medical device, comprising:

  • generating at the implantable medical device a first current through tissue and between a first electrode and a second electrode, the first electrode and second electrode being referenced to a first voltage source; and

    while generating the first current, generating at the implantable medical device a second current through tissue and between a third electrode and a fourth electrode, the third electrode and the fourth electrode being referenced to a second voltage source that is not referenced to the first voltage source, the first and second electrodes being positioned between the third and fourth electrodes.

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