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This paper presents a breast implant designed as a mechanically decoupled system composed of external and internal structures. Fused Deposition Modeling (FDM) technology was considered for the experiments in combination with medical grade materials. The external circular, multi-arched structure has been designed in such way to ensure load absorption. MRI scans were processed in Slicer3D and SolidWorks to create three implant models, being subsequently analyzed through finite element simulations and compression tests made under a 30 N load for estimating its mechanical behavior. The outer structure was fabricated from thermoplastic polyurethane (TPU 85A) material with helical channels testing it using two types of FDM printers of fabricating of the complex structures designed in this way with specifically mechanical characteristics that are required for such type of implants.

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Research on Structural Design of Mechanically Decoupled Breast Implants Made by Fused Deposition Modeling Technology

  • 会议论文

  • 发表日期：

    2026年

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  • Răzvan Păcurar,
  • Cristina Ludusan,
  • Dolores Ojados,
  • Joaquin Roca-González,
  • Emilia Sabau,
  • Cristina Borzan,
  • Cristian Vilǎu,
  • Ancuţa Pǎcurar

摘要

This paper presents a breast implant designed as a mechanically decoupled system composed of external and internal structures. Fused Deposition Modeling (FDM) technology was considered for the experiments in combination with medical grade materials. The external circular, multi-arched structure has been designed in such way to ensure load absorption. MRI scans were processed in Slicer3D and SolidWorks to create three implant models, being subsequently analyzed through finite element simulations and compression tests made under a 30 N load for estimating its mechanical behavior. The outer structure was fabricated from thermoplastic polyurethane (TPU 85A) material with helical channels testing it using two types of FDM printers of fabricating of the complex structures designed in this way with specifically mechanical characteristics that are required for such type of implants.