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Intra-cardiac tracking system

  • US 8,463,368 B2
  • Filed: 05/08/2012
  • Issued: 06/11/2013
  • Est. Priority Date: 04/02/2008
  • Status: Active Grant
First Claim
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1. A method comprising:

  • causing, current to flow between each of three or more sets of current-injecting electrodes on a first catheter inserted into an organ in a patient'"'"'s body, the organ having a periphery;

    in response to current flow caused by each set of current injecting electrodes, measuring an electrical signal at each of one or more measuring electrodes located on one or more additional catheters inserted into the organ in the patient'"'"'s body; and

    determining a position of each of one or more of the measuring electrodes on the one or more additional catheters relative to the current-injecting electrodes on the first catheter based on the measured signals from the one or more measuring electrodes.

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