Advancements in biodegradable implants: evaluation in large animal surgical models

Area of Science:

• Biomaterials Science
• Regenerative Medicine
• Orthopedic Surgery

Background:

• Biodegradable implants offer advantages over permanent ones by supporting tissue regeneration and eliminating secondary removal surgeries.
• Innovations in magnesium alloys, composites, and bio-ceramics are improving implant biocompatibility and mechanical properties.
• 3D printing enables patient-specific scaffolds for enhanced tissue integration.

Purpose of the Study:

• To review advancements in biodegradable implants for orthopedic applications.
• To highlight the role of large animal models in evaluating implant performance.
• To discuss emerging technologies and persistent challenges in the field.

Main Methods:

• Literature review of recent innovations in biodegradable implant materials and manufacturing.
• Analysis of the utility of large animal models (pigs, sheep, goats) for preclinical evaluation.
• Examination of emerging technologies like smart implants and AI-assisted diagnostics.

Main Results:

• New biomaterials and 3D printing techniques are yielding implants with improved biocompatibility and tailored geometries.
• Large animal models provide valuable biomechanical and physiological data but present translation challenges due to species differences.
• Smart implants and advanced coatings show promise for enhanced functionality and monitoring.

Conclusions:

• Biodegradable implants represent a significant advancement in regenerative medicine and orthopedic surgery.
• Continued research and development, particularly in material science and large animal model validation, are essential.
• Addressing challenges in degradation profiles, inflammation, and mechanical stability is key for future clinical success.