| 摘要 |
Laser light irradiation apparatus, which irradiates laser light to living tissues of an animal such as a human body for use an incision, vaporization of the living tissues or a thermal therapy and in case of widening a narrow path of the living tissues such as a stricture pare caused by cholesterol formed in the blood vessel of the human body. This laser light irradiation apparatus comprises the plural number of optical fibers and a laser light emitter. The emitter transmits laser light fed from a laser light generator. Then, at least the fore end portions of the optical fibers are exposed to be cores respectively and the exposed cores are surrounded by a clad-material serving as the laser light emitter.
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