Simulation of Lipofilling Reconstructive Surgery using coupled Eulerian Fluid and Deformable Solid Models

Vincent Majorczyk 1 Stéphane Cotin 1 Christian Duriez 1 Jérémie Allard 1
1 SHACRA - Simulation in Healthcare using Computer Research Advances
LIFL - Laboratoire d'Informatique Fondamentale de Lille, Inria Lille - Nord Europe, Inria Nancy - Grand Est
Abstract : We present a method to simulate the outcome of reconstructive facial surgery based on fat-filling. Facial anatomy is complex: the fat is constrained between layers of tissues which behave as walls along the face; in addition, connective tissues that are present between these different layers also influence the fat-filling procedure. To simulate the end result, we propose a method which couples a 2.5D Eulerian fluid model for the fat and a finite element model for the soft tissues. The two models are coupled using the computation of the mechanical compliance matrix. Two contributions are presented in this paper: a solver for fluids which couples properties of solid tissues and fluid pressure, and an application of this solver to fat-filling surgery procedure simulation.
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Vincent Majorczyk, Stéphane Cotin, Christian Duriez, Jérémie Allard. Simulation of Lipofilling Reconstructive Surgery using coupled Eulerian Fluid and Deformable Solid Models. Medical Image Computing and Computer Assisted Intervention Society, Sep 2013, Nagoya, Japan. ⟨hal-00838650⟩

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