首页> 外文期刊>ISIJ international >Formation of New Bone with Preferentially Oriented Biological Apatite Crystals Using a Novel Cylindrical Implant Containing Anisotropic Open Pores Fabricated by the Electron Beam Melting (EBM) Method
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Formation of New Bone with Preferentially Oriented Biological Apatite Crystals Using a Novel Cylindrical Implant Containing Anisotropic Open Pores Fabricated by the Electron Beam Melting (EBM) Method

机译:使用电子束熔化(EBM)法制备的新型各向异性各向异性圆柱孔植入物,形成具有优先取向的生物磷灰石晶体的新骨。

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摘要

New cylindrical bone implants containing elongated pores interconnected as open pores were fabricated by an electron beam melting (EBM) method using Ti-6mass%AI-4mass%V ELI powder (mean particle diameter, 65 μm).New bone formation in the elongated pores of the implant and preferential arrangement of biological apatite c-axis were confirmed along the long bone axis by microbeam X-ray diffraction.Bone mass and preferential degree of biological apatite c-axis, which were considered a bone quality parameter, decreased with the distance from the edge of the implant along the longitudinal bone axis because of a stress-shielding effect.Although clear interconnections between new bones appeared through the implant with elongated pores parallel to the bone axis, the defective portion was not covered with new bone in the absence of the new implant.
机译:使用Ti-6mass%AI-4mass%V ELI粉末(平均粒径为65μm)通过电子束熔化(EBM)方法制造出包含互相连接的开放孔的细长孔的新型圆柱形骨植入物。通过微束X射线衍射确认了沿长骨轴的植入物的生物特征和生物磷灰石c轴的优先排列。被视为骨质量参数的生物磷灰石c轴的骨质量和优先程度随距离的增加而降低由于具有应力屏蔽作用,从植入物的边缘沿着骨的纵轴开始沿边缘延伸。尽管新骨之间出现了清晰的互连,但通过与骨轴平行的细长孔的植入物出现了,但缺损的部位并没有被新的骨覆盖新的植入物。

著录项

  • 来源
    《ISIJ international》 |2011年第2期|p.262-268|共7页
  • 作者单位

    Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, 2-1 Yamada-Oka,Suita, Osaka 565-0871 Japan.;

    Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, 2-1 Yamada-Oka,Suita, Osaka 565-0871 Japan.;

    Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, 2-1 Yamada-Oka,Suita, Osaka 565-0871 Japan.;

    Graduate Student, Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, 2-1 Yamada-Oka, Suita, Osaka 565-0871 Japan.;

    R &D Group, Nakashima Medical Co., Ltd., 688-1 Joto-Kitakata, Higashi-ku, Okayama 709-0625 Japan.;

    R &D Group, Nakashima Medical Co., Ltd., 688-1 Joto-Kitakata, Higashi-ku, Okayama 709-0625 Japan.;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    electron beam melting EBM rapid prototyping microbeam X-ray diffraction metal implant TI-6Al-4V bone apatite texture bone quality;

    机译:电子束熔化EBM快速成型微束X射线衍射金属植入物TI-6Al-4V骨磷灰石质地骨质量;

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