Future trends of additive manufacturing in medical applications: An overview

Future trends of additive manufacturing in medical applications: An overview

23 February 2024 | Jorge L. Amaya-Rivas, Bryan S. Perero, Carlos G. Helguero, Jorge L. Hurel, Juan M. Peralta, Francisca A. Flores, José D. Alvarado
Additive manufacturing (AM) has shown significant progress in medical applications, with various techniques like bioprinting, 4D, 5D, and 6D printing being developed to meet medical needs. This review article discusses the latest trends and advancements in AM for the medical industry, focusing on key areas such as implants, prostheses, orthoses, surgical instruments, and prototypes. AM technologies, including material extrusion, powder bed fusion, vat photopolymerization, binder jetting, material jetting, directed energy deposition, and sheet lamination, have been analyzed for their applications and potential in medicine. These technologies offer advantages such as cost-effectiveness, customization, and improved patient outcomes. Bioprinting, in particular, has shown promise in creating complex 3D structures with living cells, enabling the development of artificial organs and tissues. 4D, 5D, and 6D printing further enhance AM capabilities by introducing time-dependent, multi-axis, and multi-material features, allowing for more dynamic and functional medical solutions. The article highlights the importance of these technologies in addressing challenges in medical applications, such as organ transplantation, prosthetic design, and surgical planning. Despite the potential, challenges remain, including material limitations, biocompatibility, and the need for further research and development. Overall, AM is transforming medical practices by enabling innovative solutions that improve patient care and outcomes.Additive manufacturing (AM) has shown significant progress in medical applications, with various techniques like bioprinting, 4D, 5D, and 6D printing being developed to meet medical needs. This review article discusses the latest trends and advancements in AM for the medical industry, focusing on key areas such as implants, prostheses, orthoses, surgical instruments, and prototypes. AM technologies, including material extrusion, powder bed fusion, vat photopolymerization, binder jetting, material jetting, directed energy deposition, and sheet lamination, have been analyzed for their applications and potential in medicine. These technologies offer advantages such as cost-effectiveness, customization, and improved patient outcomes. Bioprinting, in particular, has shown promise in creating complex 3D structures with living cells, enabling the development of artificial organs and tissues. 4D, 5D, and 6D printing further enhance AM capabilities by introducing time-dependent, multi-axis, and multi-material features, allowing for more dynamic and functional medical solutions. The article highlights the importance of these technologies in addressing challenges in medical applications, such as organ transplantation, prosthetic design, and surgical planning. Despite the potential, challenges remain, including material limitations, biocompatibility, and the need for further research and development. Overall, AM is transforming medical practices by enabling innovative solutions that improve patient care and outcomes.
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