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Interrogation of an implantable medical device using broadcast audible sound communication

  • US 6,370,433 B1
  • Filed: 01/25/2000
  • Issued: 04/09/2002
  • Est. Priority Date: 04/29/1998
  • Status: Expired due to Fees
First Claim
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1. A system for interrogating stored and real time generated implantable medical device information of an implantable medical device implanted in a patient and broadcasting the interrogated implantable medical device information to a radio receiver external to the patient'"'"'s body, the system comprising:

  • means for providing an interrogation signal from a location outside the patient'"'"'s body to initiate an interrogation routine of the implantable medical device information; and

    the implantable medical device further comprises;

    receiving means for receiving the interrogation signal and commencing the interrogation routine;

    means for storing at least one audio drive signal capable of being reproduced as a human understandable voiced statement or other audible sound signifying medical device information;

    a radio frequency transmitter for broadcasting radio frequency signals modulated by audio drive signals, the broadcast radio frequency signals capable of being received and demodulated by the radio receiver located outside the patient'"'"'s body; and

    audio feedback means responsive to the commencement of the interrogation routine for retrieving a stored audio drive signal and applying the retrieved audio drive signal to the radio frequency transmitter to cause the radio frequency transmitter to broadcast a modulated radio frequency signal capable of being detected and demodulated by the radio receiver to produce the human understandable voiced statement or the other audible sound signifying the implantable device information being interrogated.

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