A new fast nonlinear modeling of soft tissue for surgical simulation.
作者： Mobin Pourhosseini , Vahid Azimirad , Mostafa Kazemi
DOI: 10.1007/S11701-013-0444-X
关键词:
摘要: In this paper, soft tissue is modeled by a mass–spring–damper system and deformations under the compression of surgical instruments are simulated. For purpose, confined in cubic plastic mold studied using nonlinear viscoelastic model. Displacements resulting from probe insertions measured for use robotic surgery. Data collected on bovine sirloin the Instron hardness tester. The model’s dynamic equations obtained form ordinary differential equations. external force considered as input deformation output Simulation results compared with laboratory findings, unknown parameters estimated. threshold displacement before tearing respectively determined analyzing force–time displacement–time diagrams test samples.
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