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Calibration of the fat and muscle hyperelastic material parameters for the assessment of the internal tissue deformation in relation to pressure ulcer prevention

Communication avec acte
Auteur
MUKHINA, Ekaterina
1001017 Institut de Biomécanique Humaine Georges Charpak [IBHGC]
ROHAN, Pierre-Yves
1001017 Institut de Biomécanique Humaine Georges Charpak [IBHGC]
CONNESSON, Nathanael
1069746 Biomécanique des Tissus Vivants et des Matériaux – Modélisation et Caractérisation [TIMC-BIOMÉCA]
PAYAN, Yohan
1069746 Biomécanique des Tissus Vivants et des Matériaux – Modélisation et Caractérisation [TIMC-BIOMÉCA]

URI
http://hdl.handle.net/10985/21324
DOI
10.1080/10255842.2020.1813426
Date
2020

Résumé

Presented work shows the possibility of using the US data for the assessment of the soft tissues’ material properties. This is clinically relevant, since US allows to obtain a subject-specific anatomical data, while being much more accessible and less costly than MRI. Results also imply the importance of using several parameters representing different types of soft tissues for the inverse optimization of the material properties.

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  • Institut de Biomécanique Humaine Georges Charpak (IBHGC)

Documents liés

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  • Calibration of the fat and muscle hyperelastic material parameters for the assessment of the internal tissue deformation in relation to pressure ulcer prevention 
    Article dans une revue avec comité de lecture
    MUKHINA, Ekatrina; ROHAN, Pierre-Yves; CONNESSON, Nathanael; PAYAN, Yohan (Taylor & Francis, 2020)
    Our group aims at proposing a protocol for evaluating the subject-specific risk for sacral pressure ulcer (PU). The idea is to model the way soft tissue will be deformed under the external pressure and to compute internal ...
  • Reliability of B-mode ultrasound and shear wave elastography in evaluating sacral bone and soft tissue characteristics in young adults with clinical feasibility in elderly 
    Article dans une revue avec comité de lecture
    ABOU KARAM, Maher; MUKHINA, Ekaterina; DARAS, Nils; RIVALS, ISabelle; PILLET, Helene; SKALLI, Wafa; CONNESSON, Nathanael; PAYAN, Yohan; ROHAN, PIerre-Yves (2022)
    Background: Physiologic aging is associated with loss of mobility, sarcopenia, skin atrophy and loss of elasticity. These factors contribute, in the elderly, to the occurrence of a pressure ulcer (PU). Brightness mode ...
  • Finite element models of the human tongue: a mixed-element mesh approach 
    Article dans une revue avec comité de lecture
    ROHAN, Pierre-Yves; LOBOS, Claudio; NAZARI, Mohamed Ali; PERRIER, Pascal; PAYAN, Yohan (Taylor & Francis, 2017)
    One of the key factors for obtaining accurate and reliable results using the finite element method is the discretisation of the domain. Traditionally, two main types of elements are used for three-dimensional mesh generation: ...
  • Atlas-Based Automatic Generation of Subject-Specific Finite Element Tongue Meshes 
    Article dans une revue avec comité de lecture
    BIJAR, Ahmad; ROHAN, Pierre-Yves; PERRIER, Pascal; PAYAN, Yohan (Springer Verlag, 2015)
    Generation of subject-specific 3D finite element (FE) models requires the processing of numerous medical images in order to precisely extract geometrical information about subject-specific anatomy. This processing remains ...
  • Quantifying discretization errors for soft tissue simulation in computer assisted surgery: A preliminary study 
    Article dans une revue avec comité de lecture
    DUPREZ, Michel; BORDAS, Stéphane Pierre Alain; BUCKI, Marek; BUI, Huu Phuoc; CHOULY, Franz; LLERAS, Vanessa; LOBOS, Claudio; LOZINSKI, Alexei; ROHAN, Pierre-Yves; TOMAR, Satyendra (Elsevier, 2020)
    Errors in biomechanics simulations arise from modelling and discretization. Modelling errors are due to the choice of the mathematical model whilst discretization errors measure the impact of the choice of the numerical ...

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