Method for spectroscopic diagnosis of tissue
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United States of America Patent
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Apr 21, 1992
Issued Date -
N/A
app pub date -
Sep 21, 1989
filing date -
Mar 22, 1985
priority date (Note) -
Expired
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Abstract
A method of diagnosis of the type of tissue in an artery, including distinguishing artery wall from atheromateous plaque is described, in which a catheter with one or more optical fibers is enclosed at a distal end by an optical shield transparent to light radiation and wherein the proximal end of the catheter and optical fibers are coupled to a source of optical radiation. The catheter is inserted into an artery until the optical shield is brought into contact with a suspected arterial lesion or other tissue to be diagnosed.
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