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Electromagnetic interference immune tissue invasive system

  • US 6,850,805 B2
  • Filed: 02/19/2002
  • Issued: 02/01/2005
  • Est. Priority Date: 02/20/2001
  • Status: Expired due to Fees
First Claim
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1. An implantable cable desired for transmission of a signal to and from a body tissue of a vertebrate, comprising:

  • a fiber optic bundle having a surface of non-immunogenic, physiologically compatible material, said fiber optic bundle being capable of being permanently implanted in a body cavity or subcutaneously, said fiber optic bundle having a distal end for implantation at or adjacent to the body tissue and a proximal end;

    said proximal end being adapted to be coupled to and direct an optical signal source;

    said distal end being adapted to be coupled to an optical stimulator;

    said fiber optic bundle delivering an optical signal intended to cause an optical stimulator coupled to said distal end to deliver an excitatory stimulus to a selected body tissue, the stimulus being causing the selected body tissue to function as desired;

    a photoresponsive device for converting the light transmitted by said fiber optic bundle into electrical energy, and for sensing variations in the light energy to produce control signals;

    a charge accumulating device for receiving and storing the electrical energy produced by the photoresponsive device; and

    a discharge control device, responsive to the control signals, for directing the stored electrical energy from the charge accumulating device to a cardiac assist device associated with a heart.

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