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Implantable stimulator that prevents DC current flow without the use of discrete output coupling capacitors

  • US 6,035,237 A
  • Filed: 05/23/1995
  • Issued: 03/07/2000
  • Est. Priority Date: 05/23/1995
  • Status: Expired due to Term
First Claim
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1. An implantable living tissue stimulator comprising:

  • a case having a plurality of feed-through terminals;

    first circuit means inside of the case for generating a stimulating current pulse; and

    second circuit means within the case for providing an electrical current path between the first circuit means and a selected pair of the plurality of feed-through terminals through which the stimulating current pulse must pass, and for blocking dc current flow through the electrical current path;

    said second circuit means comprising a plurality of circuit elements that do not include a coupling capacitor and do not include a coupling transformer in the electrical current path.

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