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Physiological recording device

  • US 7,489,959 B1
  • Filed: 10/01/2007
  • Issued: 02/10/2009
  • Est. Priority Date: 09/07/2001
  • Status: Expired due to Fees
First Claim
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1. A physiological recording electrode for measuring biopotential from the lower layers of the epidermis of the skin comprising:

  • a physiological electrode comprising a substrate having an upper and lower surface and at least one penetrator(s) protruding from the upper surface of the substrate, the at least one penetrator having an aspect ratio of less than about 1.5, andan electrically conductive coating which is applied to the substrate of the physiological electrode with the at least one penetrator;

    wherein the penetrator(s) is capable of piercing through the stratum corneum or outer layer of the epidermis and the physiological electrode is capable of transmitting an electric potential from a lower layer of the epidermis of the skin.

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