System and method for non-endoscopic optical biopsy detection of diseased tissue
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United States of America Patent
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Issued Date -
Apr 26, 2007
app pub date -
Oct 23, 2006
filing date -
Oct 24, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A catheter has an elongated catheter shaft adapted for introduction into a body passageway of a patient. At least one optical fiber extends through the catheter shaft. The optical fiber has 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. A distal region of the catheter includes a deformed portion having a crest offset from a longitudinal axis of the catheter shaft. 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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