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Catheter location system and method

  • US 5,983,126 A
  • Filed: 08/01/1997
  • Issued: 11/09/1999
  • Est. Priority Date: 11/22/1995
  • Status: Expired due to Term
First Claim
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1. A system for determining the location of a catheter within a patient comprisingmeans for applying at least two orthogonal current signals through the patient,a catheter adapted to be disposed within a patient, the catheter having means for sensing the applied at least two orthogonal current signals through the patient, andmeans for calculating from said sensed signal the location of the sensing means relative to the means for applying.

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