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Additive Manufacturing of Customized Metallic Orthopedic Implants: Materials, Structures, and Surface Modifications

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State Key Laboratory of Mechanical Transmissions, Chongqing University, Chongqing 400044, China
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Sanjiang Research Institute of Artificial Intelligence and Robotics, Yibin University, Yibin 644000, China
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School of Electronic and Electrical Engineering, University of Leeds, Leeds LS2 9JT, UK
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Author to whom correspondence should be addressed.
Metals 2019, 9(9), 1004; https://doi.org/10.3390/met9091004
Received: 2 August 2019 / Revised: 7 September 2019 / Accepted: 9 September 2019 / Published: 12 September 2019
Metals have been used for orthopedic implants for a long time due to their excellent mechanical properties. With the rapid development of additive manufacturing (AM) technology, studying customized implants with complex microstructures for patients has become a trend of various bone defect repair. A superior customized implant should have good biocompatibility and mechanical properties matching the defect bone. To meet the performance requirements of implants, this paper introduces the biomedical metallic materials currently applied to orthopedic implants from the design to manufacture, elaborates the structure design and surface modification of the orthopedic implant. By selecting the appropriate implant material and processing method, optimizing the implant structure and modifying the surface can ensure the performance requirements of the implant. Finally, this paper discusses the future development trend of the orthopedic implant. View Full-Text
Keywords: orthopedic implant; bone implant; additive manufacturing; biomedical materials; cellular material; lattice material orthopedic implant; bone implant; additive manufacturing; biomedical materials; cellular material; lattice material
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Bai, L.; Gong, C.; Chen, X.; Sun, Y.; Zhang, J.; Cai, L.; Zhu, S.; Xie, S.Q. Additive Manufacturing of Customized Metallic Orthopedic Implants: Materials, Structures, and Surface Modifications. Metals 2019, 9, 1004.

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