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Controlled activation ingestible identifier

  • US 8,945,005 B2
  • Filed: 10/25/2007
  • Issued: 02/03/2015
  • Est. Priority Date: 10/25/2006
  • Status: Active Grant
First Claim
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1. A pharmaceutical composition comprising:

  • a pharmaceutical active agent;

    a controlled activation identifier that transmits a signal upon contact with a target site of a body, wherein the signal is a conductive signal and wherein the controlled activation identifier comprises first and second electrodes that are configured to create a voltaic cell when in contact with a conducting fluid at the target site, wherein the voltaic cell supplies power to the controlled activation identifier, and wherein the controlled activation identifier is configured to transmit the conductive signal through tissue of to the body upon the first and second electrodes contacting the conducting fluid at the target site and the voltaic cell supplying power to the controlled activation identifier; and

    a pharmaceutically acceptable carrier.

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