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

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  • Iwatsuki Koichi
    Department of Neurosurgery, Osaka University Medical School
  • Sasaki Manabu
    Department of Neurosurgery, Osaka University Medical School
  • Yasuda Keitaro
    Department of Neurosurgery, Osaka University Medical School
  • Yoshimine Toshiki
    Department of Neurosurgery, Osaka University Medical School
  • Awazu Kunio
    Institute of Free Electron Laser, Graduate School of Engineering, Osaka University
  • Kataoka Kenzo
    Department of Research and Development, Morita Manufacturing Corporation
  • Iwami Hideo
    Department of Research and Development, Morita Manufacturing Corporation
  • Nishimura Kiminori
    Department of Research and Development, Morita Manufacturing Corporation
  • Okagami Yoshihide
    Department of Research and Development, Morita Manufacturing Corporation

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Other Title
  • 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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Description

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.

Journal

  • Spinal Surgery

    Spinal Surgery 17 (3), 213-218, 2003

    The Japanese Society of Spinal Surgery

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