RFID detection and identification system including an RFID reader having a limited transmit time and a time-out period to protect a medical device against RFID-associated electromagnetic interference
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United States of America Patent
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Feb 14, 2012
Grant Date -
May 20, 2010
app pub date -
Sep 24, 2009
filing date -
Nov 19, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A system is provided for identifying implanted medical devices, leads and systems, as well as objects in close proximity to a patient having an implanted active medical device, using a radio frequency identification (RFID) tag having retrievable information relating to the AIMD, lead system and/or patient. An RFID tag communicator includes a circuit for limiting the total continuous transmit time of an interrogation signal, and a time-out circuit for delaying a second and any subsequent interrogation of the RFID tag.
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