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Fitting a neural prosthesis using impedance and electrode height

  • US 8,190,267 B2
  • Filed: 10/26/2007
  • Issued: 05/29/2012
  • Est. Priority Date: 12/01/2005
  • Status: Active Grant
First Claim
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1. A method of determining proper placement of a visual neural stimulation electrode array comprising:

  • placing a two dimensional electrode array in proximity of a retina;

    measuring impedance of at least one electrode in said electrode array;

    communicating said impedance to a clinician by audible signal;

    determining, by the impedance, the proper placement of the electrode array for optimal stimulation of the perception of vision wherein higher impedance indicates preferable placement; and

    attaching said two dimensional electrode array to the retina.

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