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Shielded stimulation and sensing system and method

  • US 20110282179A1
  • Filed: 10/06/2009
  • Published: 11/17/2011
  • Est. Priority Date: 11/13/2008
  • Status: Active Grant
First Claim
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1. A method for applying an electrical pulse to, or for sensing electrical activity at, a first region of tissue in an animal, the method comprising the steps of:

  • providing at the first region of tissue a first array of electrodes disposed upon a respective surface, the first array comprising respective first and second electrodes disposed upon the respective surface, the first array further comprising a plurality of respective third electrodes also disposed upon the respective surface and surrounding the respective first and second electrodes;

    wherein the first array of electrodes is electrically selectively connected via a lead to electronics located external to the first array of electrodes, the lead comprising at least one electrical conductor;

    the selective connections of the electrodes comprising sensing or driving circuitry connecting the first and second electrodes with the at least one electrical conductor, and further comprising circuitry disposing the third electrodes to serve as an electrical shield for the first and second electrodes through conductive coupling with tissue nearby thereto.

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