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Device for stimulating living tissue

  • US 5,423,873 A
  • Filed: 08/24/1993
  • Issued: 06/13/1995
  • Est. Priority Date: 09/02/1992
  • Status: Expired due to Term
First Claim
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1. A device for stimulating living tissue comprising:

  • stimulation pulse generator means, having an output socket, for generating a stimulation signal having a polarity at said output socket;

    electrode means having a plurality of stimulation signal delivery elements for transmitting said stimulation signal to different tissue sites;

    control means, having a control means output connected to said output socket, for generating a control signal at said control means output, said control signal having a polarity opposite to the polarity of said stimulation signal and being superimposed on said stimulation signal at said output socket;

    switching means, responsive to said control signal and having an input connected to said output socket which receives said stimulation signal with said control signal superimposed thereon and having outputs connected to said electrode means, for directing said stimulation signal to a selected tissue site, determined by said control signal, via at least one of said delivery elements; and

    discriminator means in said switching means for separating said control signal from said stimulation signal before directing said stimulation signal to said selected tissue site.

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