Laser light irradiation apparatus
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United States of America Patent
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Aug 2, 1994
Issued Date -
N/A
app pub date -
Jun 5, 1992
filing date -
Sep 5, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A laser light irradiation apparatus used for medical treatment of living tissue. According to a preferred embodiment, the apparatus comprises a probe and a plural number of optical fibers. The optical fibers surround the axis of the probe. Laser light goes through each optical fiber and is applied to the probe. Then, the laser light is emitted from the probe to be uniformly irradiate the tissues, and if desired, against the tissues over a broad area. Further, a guide wire and/or a lead wire for detecting a temperature can be placed so as to be coaxial with the probe. Therefore, a perforation of a normal part of the blood vessel can be prevented.
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