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Imaging apparatus and method

  • US 6,450,964 B1
  • Filed: 09/05/2000
  • Issued: 09/17/2002
  • Est. Priority Date: 09/05/2000
  • Status: Expired due to Term
First Claim
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1. A method of determining the angular position of a sensor within a catheter wherein said method comprises:

  • rotating said sensor;

    emitting a first center frequency from said sensor toward a sheath wall of varying thickness of said catheter;

    retrieving wall echoes of said first center frequency with said sensor from said sheath wall of varying thickness; and

    , converting said wall echoes into thickness data, said thickness data indicative of an angular position of said sensor within said catheter.

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