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System and method for non-endoscopic optical biopsy detection of diseased tissue

  • US 20070093703A1
  • Filed: 10/23/2006
  • Published: 04/26/2007
  • Est. Priority Date: 10/24/2005
  • Status: Abandoned Application
First Claim
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1. A catheter, comprising:

  • an elongated catheter shaft adapted for introduction into a body passageway of a patient;

    at least one optical fiber extending through the catheter shaft, the optical fiber having a proximal end coupled to electro-optical spectral analysis equipment and a distal end positioned at or near a distal end of the catheter for illuminating tissue and receiving light energy from tissue at the location of the distal end of the tip; and

    wherein a distal region of the catheter includes a deformed portion having a crest offset from a longitudinal axis of the catheter shaft and wherein a distal tip of the optical fiber is positioned at the crest to increases the likelihood of the distal tip contacting tissue of a wall of the body passageway.

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