Manufacturing of Artificial Bones Using 3D Inkjet Printing Technology
Ung-il Chung/Yuichi Tei
Department of Bioengineering, The University of Tokyo Graduate Schools of Engineering and Medicine & Division of Tissue Engineering, The University of Tokyo Hospital, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
The performance of the scaffolds holds the key to the realization of tissue engineering in clinical settings. By precisely controlling the 3D shape of the scaffolds using the inkjet printing technology, we have significantly improved the performance of the artificial bones, which have good shape compatibility, resultant reduction in the operation time and invasiveness, and resultant speedy union with the host bone tissues. We conclude that 3D shape control is vital to the performance of the scaffolds. We propose that it is advisable to consider at least once controlling the 3D shape of the scaffold by optimizing the design and manufacturing method, before resorting to the complex, expensive and high-risk use of growth factors and cells.
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