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Additive Manufacturing in Medical Applications: Biodegradable Pure Iron Implants

18.11.2025

The following presentation showcases up to date research on the development of biodegradable pure iron implants for orthopedic applications, enables by Laser Powder Bed Fusion (L-PBF) technology. The presentation highlights the medical need for next-generation, patient-specific bone implants that eliminate the drawbacks of permanent metallic devices, such as stress shielding and the need for secondary surgeries.

The research explores:

  • The evolution and market potential of biodegradable implants.
  • The advantages of using pure iron due to its biocompatibility and controlled degradation.
  • The development and fine-tuning of L-PBF parameters using Design of Experiments (DoE).
  • Extensive material characterization, including powder properties, surface roughness, porosity, mechanical testing, and microstructure.
  • The design and simulation of lattice geometries to replicate bone mechanical behavior.
  • In-vitro biodegradation, cytocompatibility, and biofilm formation assessments.

The work emphasizes the transformative potential of additive manufacturing in creating personalized, resorbable implants with optimized mechanical and biological performance, aiming to set new standards in regenerative medicine and orthopedic care.

Speaker: Pedro Lopes, AM Engineer, INEGI

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