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Trans. Nonferrous Met. Soc. China 22(2012) s181-s187 Development of porous medical implant scaffolds via laser additive manufacturing SU Xu-bin1, YANG Yong-qiang2, YU Peng1, SUN Jian-feng2 1. School..., Guangzhou 510640, China Received 9 July 2012; accepted 6 August 2012 Abstract: The objective was to develop and evaluate the porous medical implant scaffolds designed via digital method and fabricated......
for the spine", dynamic stabilization system is a new concept in the surgical treatment of lower back pain recently. Universal spacer used as flexible material is to stabilize the spine and the material property... became more and more popular[1-3]. Dynesys, so-called "Dynamic neutralization system for the spine", dynamic stabilization system is a new concept in the surgical treatment of lower back pain recently......
can be considered to be the future generation of dental implants. Key words: 45S5 bioglass; antimicrobial activity; silver; titanium; dental implant; Streptococcus mutans; Staphylococcus aureus 1... of Ti-based alloys in order to avoid potential biotoxicity of alloying elements [7,8]. Improvement of the physicochemical and mechanical performance of Ti-based implant materials can be achieved......
of immersion in the simulated body fluid, and becomes dense after 14 d. In vivo tests indicate that bone formation occurs after implantation for 14 d, and strong bonding of bone to the implant occurs after 42... the surgical region. The next step was to cover the region with periosteum and the layer muscles. The next three days, all the rabbits received 800000? Penicilin injections twice a day. Two rabbits were......
University摘 要:The advent of three-dimensional(3-D) printed technique provides great possibility in the fabrication of customized porous titanium(Ti) implant... orthopedic implant, showing great potential for surface modification of 3-D printed implant. In this study, cylindrical porous Ti6Al4V(Ti64) scaffolds with pore size of 640 μm, porosity of 73% were 3-D......
脊椎植入物组件静态和疲劳性能试验方法研究 宋铎1 (1.天津市医疗器械质量监督检验中心,天津,300191) 摘要:依据标准ASTM F 1717-01[1],对通用脊椎植入物组件进行了静态测试(压缩弯曲,拉伸弯曲和扭转)及疲劳测试.结果表明,通用脊椎植入物组件静态压缩弯曲屈服载荷850N,2%时屈服位移1.52mm,屈服弹性位移13.63mm,压弯刚度62.30N/mm,屈服时总位移15.15mm;静态拉伸弯曲屈服载荷1240N,2%时屈服位移1.52mm,屈服弹性位移19.56mm,拉弯刚度63.25 N/mm,屈服时总位移21.06 mm;屈服扭矩30N·m,2%时屈服角位移1.9......
; pure titanium; implant; coating; HA; osseous binding; [全文内容正在添加中] ......
, Shenyang 110016, China) Abstract: The electrochemical behavior of the nanostructured Ti-24Nb-4Zr-8Sn (NS-Ti2448) alloy, for application as biomedical implant materials, was investigated in artificial... Du-juan. Biocompatibility of new titanium alloy TZNT for surgical limplant application[J]. The Chinese Journal of Nonferrous Metals, 2010, 20(4): 756-764. [3] HUANG H H. Effects of fluoride......
="ChDivSummary">The stability parameters of implants(ITV, ISQ & PTV) according to different sizes of controlled bone defects made in implant osteotomies were analyzed and the correlation among the three kinds of implant stability parameters was tested in this study. 45 tapped screw-type dental implants were inserted in three types of implant osteotomies made in 8 fresh-frozen pig femoral bones: Type1......
外科植入物用钛合金的表面改性 戴正宏1,王玉林1,何宝明1 (1.天津大学复合材料研究所,天津,300072) 摘要:钛合金作为外科植入物用材料在临床上得到了越来越多的应用. 综述了钛合金作为外科植入物的优良性能及国内外在钛合金表面改性方面的发展和研究现状. 阐述了表面改性对改善钛合金的耐磨性, 耐蚀性和生物学性能方面的重要作用. 分析表明: 开发新型钛合金和寻求理想的表面改性工艺来获得高质量的涂层或将生物活性相添加到钛合金基体中制备成复合材料是提高钛合金生物学性能的有效途径. 关键词:外科植入物; 钛合金; 表面改性; [全文内容正在添加中] ......
