Biomechanics of Soft Tissues: The Role of the Mathematical Model on Material Behavior

Bustamante-Orellana, Carlos; Guachi, Robinson; Guachi-Guachi, Lorena; Novelli, Simone; Campana, Francesca; Bini, Fabiano; Marinozzi, Franco

doi:10.1007/978-3-030-32022-5_29

Cited by 3 publications

(1 citation statement)

References 27 publications

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“…Unfortunately, real soft tissues behave hyperelastically. Many material model formulations are present in literature, as reported in [7], and they are often implemented in the most adopted FEA codes [8]. FEA commercial software cannot simulate in real time although they may provide result with better accuracy.…”

Section: State Of the Artmentioning

confidence: 99%

Finite Element Analysis of the Interaction Between an Endo-Surgical Tool and Colorectal Tissue for Setting up Force Feedback Evaluation in Virtual Reality-Based Applications

Guachi

Bici

Bini

et al. 2021

Lecture Notes in Mechanical Engineering

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Numerical simulations and Finite Element Analysis (FEA) have currently increased their applications in medical field for making preoperative plans to simulate the response of tissues and organs. Soft tissue simulations, such as colorectal simulations, can be adopted to understand the interaction between colon tissues and surrounding tissues, as well as the effects of instruments used in this kind of surgical procedures. This paper analyses through FEA the interaction between a surgical device and a colon tissue when it is fully clamped. Sensitivity analysis in the respect of the material mechanical behaviour, geometric approximation and the effect of thickness variation are investigated with the aim of setting up a virtual prototype of the surgical operation to aid mentoring and preliminary evaluation via haptic solutions. Through this investigation, the force feedback estimation that is necessary in many virtual-reality applications, may be estimated without discharging nonlinear effects that occur during clamping and that usually cannot be simulated efficiently to guarantee real-time solutions. Results are aligned with experimental data, confirming the reliability and right the set-up of FEA. Through them, the preliminary set-up of a haptic force feedback has been described and simulated through Simulink 3D animation, confirming the feasibility of the concept.

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Section: State Of the Artmentioning

confidence: 99%