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Related Experiment Videos

Functional Chest Wall Reconstruction With a Biomechanical Three-Dimensionally Printed Implant.

Javier Moradiellos1, Sergio Amor1, Mar Córdoba1

  • 1Thoracic Surgery Department, Quirónsalud-Madrid University Hospital, Madrid, Spain.

The Annals of Thoracic Surgery
|April 1, 2017
PubMed
Summary

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This study introduces a novel 3D-printed titanium implant for chest wall reconstruction, addressing oncologic and functional challenges in patients with extensive neoplastic invasion. The patient-specific implant demonstrated biomechanical flexibility, enabling controlled movement during respiration.

Area of Science:

  • Oncologic surgery
  • Biomedical engineering
  • Materials science

Background:

  • Chest wall resection and reconstruction for neoplastic diseases present significant oncologic, structural, and functional challenges.
  • Traditional structural solutions may be insufficient for complex cases involving extensive anterior chest wall invasion.

Purpose of the Study:

  • To present a novel, patient-specific, 3D-printed titanium implant for sternum and rib reconstruction in a patient with a mediastinal mass and extensive chest wall invasion.
  • To evaluate the biomechanical capabilities and functional performance of this innovative implant.

Main Methods:

  • Design and fabrication of a patient-specific titanium implant using three-dimensional printing technology.
  • Incorporation of a unique "Greek wave" folding pattern for enhanced biomechanical properties.

Related Experiment Videos

  • Postoperative assessment using dynamic computed tomography to evaluate implant flexibility during the respiratory cycle.

    • Main Results:

    • The 3D-printed, patient-specific titanium implant successfully reconstructed the sternum and ribs.
    • The implant exhibited controlled flexing during the respiratory cycle, as confirmed by dynamic computed tomography.
    • The novel design addressed both structural integrity and functional requirements.

    Conclusions:

    • Three-dimensional printing with biocompatible materials enables the creation of patient-specific implants for complex chest wall reconstruction.
    • This technology facilitates a new generation of implants focused on functional restoration alongside oncologic and structural repair.
    • The "Greek wave" folding pattern offers a promising biomechanical solution for dynamic chest wall implants.