Sphere-filled organ model for virtual surgery system

Shigeyuki Suzuki*, Naoki Suzuki, Asaki Hattori, Akihiko Uchiyama, Susumu Kobayashi


研究成果: Article査読

33 被引用数 (Scopus)


We have been developing a virtual surgery system that is capable of simulating surgical maneuvers on elastic organs. In order to perform such maneuvers, we have created a deformable organ model using a sphere-filled method instead of the finite element method. This model is suited for real-time simulation and quantitative deformation. Furthermore, we have equipped this model with a sense of touch and a sense of force by connecting it to a force feedback device. However, in the initial stage the model became problematic when faced with complicated incisions. Therefore, we modified this model by developing an algorithm for organ deformation that performs various, complicated incisions while taking into account the effect of gravity. As a result, the sphere-filled model allowed our system to respond to various incisions that deform the organ. Thus, various physical manipulations that involve pressing, pinching, or incising an organ's surface can be performed. Furthermore, the deformation of the internal organ structures and changes in organ vasculature can be observed via the internal spheres' behavior.

ジャーナルIEEE Transactions on Medical Imaging
出版ステータスPublished - 2004 6月

ASJC Scopus subject areas

  • ソフトウェア
  • 放射線技術および超音波技術
  • コンピュータ サイエンスの応用
  • 電子工学および電気工学


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