U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Bioelectrode having a galvanically active interfacing material

Patent 4846185 Issued on July 11, 1989. Estimated Expiration Date: Icon_subject November 25, 2007. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

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Inventor

Application

No. 07/125138 filed on 11/25/1987

US Classes:

600/391, Adhesive600/394, Head and socket connector for attaching lead to electrode600/396Silver/silver chloride containing

Examiners

Primary: Cohen, Lee S.

Attorney, Agent or Firm

International Classes

A61B 5/0402 (20060101)
A61N 1/04 (20060101)

Abstract

A biomedical electrode comprised of a galvanically inert sensing element and a galvanically active interfacing material containing oxidizable and reducible species such as ferrous/ferric sulfate is disclosed. The bioelectrode recovers from overload potentials (e.g., defibrillation potentials) as well as conventional silver/silver chloride electrodes and can be made at a much lower cost from non-corrosive materials.

Other References

  • A G. Sykes, "Metal-Ion Complexes and Their Redox Properties", Chemistry in Brittain, vol. 6, No. 4, pp. 159-164 (1970)
  • "Ion-Selective Electrode", author unknown, Research Disclosure, No. 16113, pp. 29-39, Sept. 1977
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