New Development of Titanium Wire Ball as Vertebra Substitute

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  • Shibata Akira
    Department of Applied Chemistry, School of Science and Engineering, Kinki University
  • Tamagawa Yasuhiro
    Department of Applied Chemistry, School of Science and Engineering, Kinki University
  • Horikawa Hiroshi
    Liaison Center, Kinki University
  • Iwasaki Mitsunobu
    Department of Applied Chemistry, School of Science and Engineering, Kinki University Liaison Center, Kinki University
  • Matsuzaki Kohji
    Department of Orthopedic Surgery, School of Medicine, Kinki University
  • Hamanishi Chiaki
    Department of Orthopedic Surgery, School of Medicine, Kinki University

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Description

Fabrication of a new ball-shaped titanium material for vertebral compression fracture treatment has been studied using micro-arc oxidation in an electrolyte containing hydroxyapatite (HAp). To prevent microstructural disturbance on the surface, ethanol was used as a co-solvent. The material thus obtained was found to have high porosity with many micropores, fixed HAp particles on the surface, and elasticity comparable to cancellous bone. Furthermore, it was demonstrated that the materials have osteoconductivity and the elasticity was kept under cycled stress. These indicate that they can be new bone filling materials for percutaneous vertebroplasty (PV).

Journal

  • MATERIALS TRANSACTIONS

    MATERIALS TRANSACTIONS 51 (10), 1923-1926, 2010

    The Japan Institute of Metals and Materials

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