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Implantable neural electrode

  • US 4,852,573 A
  • Filed: 12/04/1987
  • Issued: 08/01/1989
  • Est. Priority Date: 12/04/1987
  • Status: Expired due to Term
First Claim
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1. A neural electrode capable of being implanted in operative relation with neural structure in a body, comprising:

  • a flexible electrical conductor, insulated except for a predetermined area, for conducting an electrical signal between a predetermined location within said body and predetermined point outside said body;

    a biologically inert electrically insulative structure defining an interior cavity and having at least one opening into the cavity, said insulative structure surrounding at least said predetermined area of said conductor and electrically substantially isolating said conductor from points other than said predetermined within said body; and

    a nerve segment separate from the neural structure, said nerve segment being disposed in electroconductive relation with the predetermined area and being at least partially within the insulative structure so as to facilitate the growth, within said insulative structure, of neurites associated with the neural structure,whereby the electrical conductor is capable of receiving electrical signals from the body or transmitting electrical signals to the body.

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