Er : YAG Laser 照射と回転切削器による骨切削における組織温度上昇の比較

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  • Comparison between the Rise in Temperature during Bone Cutting using the Er : YAG Laser and a Conventional Turn Cutting Bar

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The superior ablation ability of the Erbium : YAG laser (Er : YAG laser) for hard tissue has recently become clear, and it might have some potential as a hard tissue cutting device under endoscopic application, because the laser energy of the Er : YAG can be transmitted through a special fiber. However, the action of this laser wavelength in bone is basically a photothermal effect, so before using this Er : YAG laser system clinically, it is necessary to assess the degree of heat which it generates in cutting target bone. We cut lower jaw of a pig with a conventional turn cutting diamond bar and then with the Er : YAG laser energy and measured the heat generated. It was significantly low in the Er : YAG laser compared with the conventional turn cutting apparatus. These features suggest that the Er : YAG laser has potential for application as a bone cutting device available for use in minimally aggressive spinal surgery.

収録刊行物

  • 脊髄外科

    脊髄外科 17 (3), 213-218, 2003

    日本脊髄外科学会

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