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Auxiliary antenna array for system for detecting foreign objects in a surgical patient

  • US 20080174409A1
  • Filed: 01/22/2007
  • Published: 07/24/2008
  • Est. Priority Date: 01/22/2007
  • Status: Active Grant
First Claim
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1. Apparatus for detecting an RFID tagged object in the body of a patient, the apparatus comprising:

  • RF transducer means comprising means for energizing a RFID tag to transmit an RF signal;

    means located remotely from said RF transducer means for receiving said transmitted RF signal; and

    signal processing means operably connected to said RF signal receiving means for processing the output of said RF signal receiving means to determine when an RF signal from a RFID tag has been received.

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