| 摘要 |
A laser irradiation apparatus including a long and slender main body, an optical fiber, a drive unit, and a reflector. The optical fiber provided is slidable inside the main body, and has a proximal end through which a laser ray is introduced and a distal end through which the laser ray is emitted. The drive unit causes the optical fiber to reciprocate in a longitudinal direction of the main body. The reflector is connected to the optical fiber and has a reflection plane for reflecting the laser ray emitted from the distal end of the optical fiber for reciprocating together with the optical fiber. The reflection plane changes its reflecting angle in accordance with the reciprocating motion of the optical fiber.
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