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Design and Development of Patient-Specific Medical Devices for Maxillofacial Surgery Through 3D Modeling, Topology Optimization, and Additive Manufacturing

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Design Tools and Methods in Industrial Engineering III (ADM 2023)

Part of the book series: Lecture Notes in Mechanical Engineering ((LNME))

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Abstract

Additive manufacturing presents unique opportunities for developing patient-specific medical devices and tools in orthognathic surgery. Devices used in maxillofacial surgery present several constraints which refer to the specific characteristics of the patient and the stress conditions that are in place during the surgery. This paper describes an integrated workflow used for the identification, design, optimization, and production of patient-specific devices while promoting synergy among specialists of vastly different backgrounds. Medical specialist interprets Computed Tomography scans with three-dimensional reconstruction of the patient and, supported by a CAD specialist design the required tools to restore the patient functionality. Preliminary tooling designs are checked for strength and stiffness by a structural engineer considering the mechanical properties of the perspective AM materials and passed in digital form to the AM technologist who will be responsible of the 3D printing. The medical specialist uses the devices through physical prototypes to assess effectiveness and usability. The integrated workflow allows to increase accuracy while reducing surgical time and costs.

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Author information

Authors and Affiliations

  1. Department of Engineering and Architecture, Università di Parma, Parco area delle Scienze 181/A, 43124, Parma, Italy

    Claudio Favi, Enrica Riva & Giovanni Fortese

  2. Department of Maxillofacial Surgery and Facial Plastic Surgery, Lyon Sud Hospital, Hospices Civils de Lyon, Pierre-Bénite, Université Claude Bernard Lyon 1, Lyon, France

    Andrea Varazzani

Authors
  1. Claudio Favi
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  2. Enrica Riva
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  3. Giovanni Fortese
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  4. Andrea Varazzani
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Corresponding author

Correspondence to Claudio Favi .

Editor information

Editors and Affiliations

  1. Department of Industrial Engineering, University of Florence, Florence, Italy

    Monica Carfagni

  2. Department of Industrial Engineering, University of Florence, Florence, Italy

    Rocco Furferi

  3. Department of Industrial and Information Engineering and Economics, University of L'Aquila, L’Aquila, Italy

    Paolo Di Stefano

  4. Department of Industrial Engineering, University of Florence, Florence, Italy

    Lapo Governi

  5. Department of Engineering “Enzo Ferrari”, University of Modena and Reggio Emilia, Modena, Italy

    Francesco Gherardini

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Favi, C., Riva, E., Fortese, G., Varazzani, A. (2024). Design and Development of Patient-Specific Medical Devices for Maxillofacial Surgery Through 3D Modeling, Topology Optimization, and Additive Manufacturing. In: Carfagni, M., Furferi, R., Di Stefano, P., Governi, L., Gherardini, F. (eds) Design Tools and Methods in Industrial Engineering III. ADM 2023. Lecture Notes in Mechanical Engineering. Springer, Cham. https://doi.org/10.1007/978-3-031-52075-4_19

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  • DOI: https://doi.org/10.1007/978-3-031-52075-4_19

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-031-52074-7

  • Online ISBN: 978-3-031-52075-4

  • eBook Packages: EngineeringEngineering (R0)

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