Therapeutic methods and devices for irradiating columnar environments
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United States of America Patent
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Nov 14, 2000
Issued Date -
N/A
app pub date -
Sep 4, 1996
filing date -
May 20, 1996
priority date (Note) -
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Abstract
The present invention provides improved methods and devices for delivering light to the surface of a biological column, for example in the treatment of Barrett's esophagus using PDT. The improvement comprises the use of an extended irradiation segment or window. The improved methods of the present invention permits treatment lengths of the biological column to be increased without increasing the incidence of stricture formation.
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