Bionic mechanical design of titanium bone tissue implants and 3D printing manufacture

被引：59
|
作者：
Pei, Xuan [1 ]
Zhang, Boqing [1 ]
Fan, Yujiang [1 ]
Zhu, Xiangdong [1 ]
Sun, Yong [1 ]
Wang, Qiguang [1 ]
Zhang, Xingdong [1 ]
Zhou, Changchun [1 ]
机构：
[1] Sichuan Univ, Natl Engn Res Ctr Biomat, Chengdu 610064, Sichuan, Peoples R China
来源：
MATERIALS LETTERS | 2017年 / 208卷
基金：
中国国家自然科学基金;
关键词：
Bioceramics; Structural; Porous materials; Simulation and modelling; CORTICAL BONE; ALLOYS; MORPHOLOGY;
D O I：
10.1016/j.matlet.2017.04.128
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Bionic titanium bone tissue engineering implants were constructed by computer-aided design and fabricated by selected laser melting. Novel interconnected porous structure was built using diamond lattice pore units and was proposed for biomechanical design to prevent stress shielding. Material characterization and mechanical test revealed that implant porosity and mechanical strength can be modulated by adjusting pore-unit parameters. Animal experimental results indicated that host bone tissue was thoroughly embedded and fitted into designed porous structures. Optimized design and precisely manufactured implants are conducive for bone repair and regeneration. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：133 / 137
页数：5
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