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Method and system for providing visual guidance to an operator for steering a tip of an endoscopic device toward one or more landmarks in a patient

  • US 8,337,397 B2
  • Filed: 03/26/2009
  • Issued: 12/25/2012
  • Est. Priority Date: 03/26/2009
  • Status: Active Grant
First Claim
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1. A computer implemented method for providing guidance to steer an endoscopic device towards one or more landmarks in a patient, the method comprising:

  • determining a current position of a reference point on the endoscopic device relative to a reference frame;

    determining a first vector from the current position of the reference point to a position of a first landmark relative to the reference frame;

    transforming the first vector from the reference frame to an image reference frame that corresponds to the perspective of an image capturing device disposed at a tip of the endoscopic device; and

    displaying a graphical representation of the transformed first vector along with and positioned relative to a current image captured by the image capturing device on a display screen so as to indicate a direction to steer the tip of the endoscopic device towards the first landmark.

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