| 摘要 |
PROBLEM TO BE SOLVED: To provide a medical laser apparatus, having favorable excision effect both to hard tissue cure and soft tissue cure and obtaining favorable hemostasis effect. SOLUTION: A laser light beam emitted from a laser medium 10 has oscillating wavelength ranging from 1.5 to 4μm, and pulse duration ranging from 250μs to 1ms. The pulse duration is controlled by a pulse duration control mechanism having a charging power supply 22, a capacitor 24 and a switching element 26. The laser light is applied through a converging system 30, a transmission system 32 and a handpiece 34 to an object 36 to be irradiated which is an organism tissue to be cured. COPYRIGHT: (C)2004,JPO
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