Apparatus for applying laser beam to living tissue to cause uniform ablation of living tissue while not causing thermal damage below a predetermined depth to the surrounding tissue
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United States of America Patent
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Sep 29, 1998
Issued Date -
N/A
app pub date -
Nov 24, 1997
filing date -
Dec 17, 1993
priority date (Note) -
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Abstract
An apparatus for applying a laser beam to a working surface, by displacing the laser beam to trace a plurality of circular scans over the working surface; and continuously varying the diameters of the circular scans at a rate to produce a substantially homogenous distribution of the laser energy over the working surface.
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