脳血管内力テーテル/ガイドワイヤシミュレータの開発

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タイトル別名
  • Development of a catheter and guidewire simulator for interventional therapy
  • 脳血管内カテーテル/ガイドワイヤシミュレータの開発
  • ノウ ケッカンナイ カテーテル ガイドワイヤ シミュレータ ノ カイハツ

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説明

We have developed a catheter and guidewire simulator for interventional therapy. This system was developed to predict the course of approach to a lesion and to present numerical results and animation for surgical planning, intra-operative assistance, the analysis of the structure of the guidewire and the design of a new guidewire. The model of the guidewire is constructed with viscoelastic springs and segments as the dynamic deformation of a flexible structure. The proximal part of the guidewire is inserted into the catheter model. The vessel is an elastic circular cylinder, whose shape is defined by the centerline and the radii. Collisions between the guidewire and the vessel are calculated and the contact forces are determined according to the stiffness and friction of the vessel wall. In this article, we introduce our simulator and several examples of the simulation results.

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