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Catheter having multiple arms with electrode and position sensor

  • US 6,574,492 B1
  • Filed: 04/18/2001
  • Issued: 06/03/2003
  • Est. Priority Date: 01/08/1996
  • Status: Expired due to Term
First Claim
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1. A catheter for measuring physiological signals in a heart, the catheter comprising:

  • a structure at a distal end of the catheter, the structure having;

    (i) a plurality of arms;

    (ii) an electrode fixed to each arm, and (iii) a device for generating position information located on each arm, wherein the arms are located near a long axis of the catheter during insertion of the catheter within a heart and the arms are spreadable apart and away from the long axis of the catheter when the structure is within the heart.

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