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Additive Manufacturing for Metal Applications in Orthopaedic Surgery
Yoshihiro Katsuura1, Sheeraz A Qureshi
1From the Hospital for Special Surgery and Weill Cornell Medical College, New York, NY.
The Journal of the American Academy of Orthopaedic Surgeons
|January 16, 2020
Summary
Metallic additive manufacturing creates layered metal structures, revolutionizing orthopaedic implants. This technology enables patient-specific designs with enhanced integration and biomechanical properties for improved surgical outcomes.
Area of Science:
- Orthopaedic Surgery
- Biomaterials Engineering
- Additive Manufacturing
Background:
- Metallic additive manufacturing (MAM) is a transformative technology for creating complex metal structures layer by layer.
- This advanced manufacturing technique offers significant potential for innovation in orthopaedic implants and surgical instruments.
- Current orthopaedic devices face limitations in anatomical matching and host integration, areas where MAM shows promise.
Purpose of the Study:
- To provide a comprehensive overview of metallic additive manufacturing technology.
- To explore the current applications of MAM in orthopaedic surgery.
- To discuss the future potential and implications of MAM for orthopaedic implants and instruments.
Main Methods:
- Review of existing literature on metallic additive manufacturing in orthopaedics.
- Analysis of design capabilities, including patient-specific anatomical matching and microscopic detail.
- Evaluation of biomechanical properties and fixation systems enabled by additive manufacturing.
Main Results:
- MAM allows for the creation of orthopaedic devices that closely match patient anatomy at both macro and microscopic levels.
- Implants manufactured using MAM demonstrate improved host integration, leading to more rapid and durable biological fixation.
- Additive manufacturing enables enhanced biomechanical properties and novel fixation strategies, expanding treatment possibilities for complex orthopaedic conditions.
Conclusions:
- Metallic additive manufacturing is set to revolutionize the field of orthopaedics by enabling the design and production of superior implants and instruments.
- The technology facilitates patient-specific solutions with enhanced integration and biomechanical performance, addressing limitations of conventional methods.
- MAM holds significant promise for future advancements in orthopaedic surgery, offering improved patient outcomes and expanding the scope of treatable conditions.
