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Electrode for high impedance heart stimulation

  • US 5,871,529 A
  • Filed: 01/16/1997
  • Issued: 02/16/1999
  • Est. Priority Date: 01/16/1997
  • Status: Expired due to Term
First Claim
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1. A distal tip electrode adapted for implantation on or about the heart and for connection to a system for monitoring or stimulating cardiac activity, said electrode comprising:

  • an electrically conductive base having a first diameter;

    an electrode tip attached to said base and having a second diameter less than the first diameter;

    a surface at the distal end of the electrode tip, said surface further comprising an electrical conducting surface; and

    a high impedance masking member positioned over a portion of said electrical conducting surface, said masking member reducing the surface area of the electrical conducting surface in contact with the heart.

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