XCT-based microscale analysis of structure and deformability of abdominal wall meshes

XCT-based microscale analysis of structure and deformability of abdominal wall meshes

SOETE Jeroen, MAES Arne, ROJAS Camilo, KYOSEV Yordan, SCHMIDT Ann-Malin, LOMOV Stepan V., MISEREZ Marc, KERCKHOFS Greet, WEVERS Martine

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Abstract. Abdominal wall hernia repair mostly involves the implantation of a synthetic mesh material. The link between the mesh microstructure, mechanical behaviour and clinical outcome is still not fully understood, complicating the selection of a suitable patient-specific mesh. Here, we created a parametric 3D model of a synthetic mesh based on X-ray microfocus computed tomography (XCT) images. The model was implemented in a TexMind Warp Knitting Editor software and then exported for finite element model (FEM) analysis. This model allows better understanding of the mechanical behaviour of the mesh and identifying the influence of single structural parameters that are essential for the design of the mesh. We also used the XCT-based filament paths to directly build a FEM, representing all 3D structural details of the as-produced product. Whilst the mechanical analysis of the mesh is feasible, important difficulties are identified, related to the initial relaxed mesh contacts configuration and necessity of the mesh pretension in experiments and calculations.

XCT, Knitted Textiles, Synthetic Meshes, Abdominal Wall Hernia Repair

Published online 4/19/2023, 8 pages
Copyright © 2023 by the author(s)
Published under license by Materials Research Forum LLC., Millersville PA, USA

Citation: SOETE Jeroen, MAES Arne, ROJAS Camilo, KYOSEV Yordan, SCHMIDT Ann-Malin, LOMOV Stepan V., MISEREZ Marc, KERCKHOFS Greet, WEVERS Martine, XCT-based microscale analysis of structure and deformability of abdominal wall meshes, Materials Research Proceedings, Vol. 28, pp 277-284, 2023

DOI: https://doi.org/10.21741/9781644902479-30

The article was published as article 30 of the book Material Forming

Content from this work may be used under the terms of the Creative Commons Attribution 3.0 license. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.

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