脳神経外科手術シミュレータにおける動脈モデルのリアルタイム変形

  • 向井 信彦
    三菱電機(株)情報技術総合研究所:(現)武蔵工業大学工学部電子情報工学科
  • 原田 雅之
    三菱電機(株)情報技術総合研究所
  • 小山 博史
    京都大学医学部附属病院医療情報部

書誌事項

タイトル別名
  • Real-time Deformation of an Artery Model in Neurosurgery Simulators
  • ノウ シンケイ ゲカ シュジュツ シミュレータ ニ オケル ドウミャク モデル ノ リアルタイム ヘンケイ

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抄録

In neurosurgery, there is a method to clip an aneurysm which proliferates at a diverging point of arteries. It is very important for surgeons to train for improving their skills with simulators based on virtual reality technology. This paper describes an artery model with an anuerysm, which model can deform in real-time. In the surgery, doctors have to handle an instrument called spatula with a hand and clip the aneurysm with another hand. Usually, with computer graphics, one of virtual reality technology, the artery model is constructed with many polygons, which take a lot of time to calculate the collision detection between the polygons of the artery and that of the instrument. In this paper, the skelton of the model is used and the collision detection is performed between the skelton of the artery and that of the instrument. This model enabled the artery model with an aneurysm to deform in real-time and us to develop the neurosurgery simulator.

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