脳神経外科手術操作における顕微鏡下空間知覚のひずみ(<特集>医療応用)

DOI Web Site 参考文献19件
  • 加藤 天美
    Department of Neurosurgery, Osaka University Medical School
  • 平田 雅之
    Department of Neurosurgery, Osaka University Medical School
  • 吉峰 俊樹
    Department of Neurosurgery, Osaka University Medical School
  • 丸野 元彦
    Department of Neurosurgery, Osaka University Medical School
  • 田村 進一
    Division of Functional Diagnostic Imaging, Biomedical Research Center, Osaka University Medical School
  • 岸野 文郎
    Department of Electronics and Information Systems, Graduate School of Engineering, Osaka University
  • 早川 徹
    Department of Neurosurgery, Osaka University Medical School

書誌事項

タイトル別名
  • The distorted spatial perception under neurosurgical microscope
  • 脳神経外科手術操作における顕微鏡下空間知覚のひずみ
  • ノウ シンケイ ゲカ シュジュツ ソウサ ニ オケル ケンビキョウ カ クウカン チカク ノ ヒズミ

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抄録

The spatial perceptions with the naked eye and under the surgical microscope were analyzed in a group of experienced and a group of inexperienced neurosurgeons. The phantom surgical field contained a start point, a virtual gate, and a target point. The virtual gate was an invisible zone arbitrarily set in the phantom. The examinees were first instructed the position of the invisible virtual gate. Then they were asked to point consecutively to the three points with a suction tube with the naked eye, under the microscope, and by watching a navigation monitor. A surgical navigator was used to record the three-dimensional position of the suction tip. The pointing deviation from the suction tip to the center of the virtual gate was evaluated. The pointing accuracy with the naked eye did not differ between the two groups, but that under the microscope was significantly better in the experienced group than in the inexperienced group. Fluctuations in pointing deviation were significantly greater in the inexperienced group, especially with the microscope. Further analysis demonstrated these differences were attributable to poorer depth perception of the phantom surgical space among the inexperienced neurosurgeons.

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