Stable Soft-Tissue Fracture Simulation for Surgery Simulator | Zendy

Masano Nakayama | Zendy; Satoko Abiko | Zendy; Xin Jiang | Zendy; Atsushi Konno | Zendy; Masaru Uchiyama | Zendy

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Stable Soft-Tissue Fracture Simulation for Surgery Simulator

Author(s) -

Masano Nakayama,

Satoko Abiko,

Xin Jiang,

Atsushi Konno,

Masaru Uchiyama

Publication year - 2011

Publication title -

journal of robotics and mechatronics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.257

H-Index - 19

eISSN - 1883-8049

pISSN - 0915-3942

DOI - 10.20965/jrm.2011.p0589

Subject(s) - fracture (geology) , soft tissue , finite element method , dissection (medical) , instability , computer science , stress (linguistics) , simulation , materials science , surgery , structural engineering , engineering , mechanics , composite material , medicine , physics , linguistics , philosophy

Soft-tissue fracture simulation is a key to surgery simulation virtually reproducing cutting, dissection, and removal. Soft-tissue fracture is modeled by finite element fracture in which elements are removed if their stress exceeds a specified fracture stress. Removing elements without considering connection to adjacent elements may produce structurally unstable elements, that cause computational instability. We propose geometric limitation and element fracture method to avoid this instability. We confirmed the feasibility of our proposals by comparing blunt dissection simulation results to blunt dissection experiment results using agar.

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