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Communication system and method for communicating between an implanted medical device and another device

  • US 20020103514A1
  • Filed: 12/10/2001
  • Published: 08/01/2002
  • Est. Priority Date: 01/31/2001
  • Status: Active Grant
First Claim
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1. A medical communication system comprising:

  • two units, at least one of said units being adapted for implantation in a subject;

    a transmitter/receiver arrangement disposed in said two units, said transmitter/receiver arrangement having a plurality of communication channels, any of which can be active for establishing a communication link between said two units during a communication time interval, with a remainder of said communication channels being passive;

    a monitoring unit connected to said transmitter/receiver arrangement in one of said units for monitoring said plurality of communication channels during said communication time interval with regard to respective availability of the communication channels for establishing said communication link, said monitoring unit generating a monitoring result for each of said passive channels and also monitoring said active channel to determine a suitability of said active channel for maintaining said communication link during said communication time interval;

    a register table having a plurality of registers in which the monitored results for the respective communication channels are stored; and

    a control unit connected to said register table and to said transmitter/receiver arrangement for, if said active channel becomes unsuitable for use for establishing said communication link during said communication time interval, immediately consulting said register table to select and substitute one of said passive channels for use as said active channel.

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