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COMPRESSED FIBER STRUCTURAL MATERIAL AND METHOD FOR PRODUCING SAME

外国特許コード F130007644
整理番号 S2013-0690-N0
掲載日 2013年10月7日
出願国 世界知的所有権機関(WIPO)
国際出願番号 2012JP056063
国際公開番号 WO 2013/042388
国際出願日 平成24年3月9日(2012.3.9)
国際公開日 平成25年3月28日(2013.3.28)
優先権データ
  • 特願2011-204955 (2011.9.20) JP
  • 特願2012-044751 (2012.2.29) JP
発明の名称 (英語) COMPRESSED FIBER STRUCTURAL MATERIAL AND METHOD FOR PRODUCING SAME
発明の概要(英語)

[Problem] To provide a method able to easily produce a lamellar compressed fiber structural material having the characteristic of easily causing an increase in osteoblasts and mechanical characteristics close to in vivo bone, even if there is a difference in strength at the site that is the subject of therapy. [Solution] The problem is resolved by means of a method that is for producing a compressed fiber structural material (1) and that has: a step for preparing a biocompatible fiber (14) having an average diameter of 5-50 mum and an aspect ratio of 20-500

and a step for cold pressing/shear processing the biocompatible fiber (14) to form the compressed fiber structural material (1), which has an average pore diameter obtained by means of mercury penetration measurement of 60-100 mum inclusive and a void fraction in the range of 25-50% inclusive. Furthermore, the cold pressing/shear processing preferably is performed controlling the pressing pressure in the range of 200-2000 MPa, the shear stroke length in the range of 0.2-5 mm, and the shear velocity in the range of 0.5-5 mm/minute.

  • 出願人(英語)
  • ※2012年7月以前掲載分については米国以外のすべての指定国
  • SHINSHU UNIVERSITY,
  • NAKAYAMA, NOBORU,
  • HORITA, MASAOMI,
  • IZAWA, NAOKI,
  • TAMAI, HIROTO,
  • SAITO, NAOTO,
  • USUI, YUKI,
  • OGIHARA, NOBUHIDE
  • 発明者(英語)
  • NAKAYAMA, NOBORU,
  • HORITA, MASAOMI,
  • IZAWA, NAOKI,
  • TAMAI, HIROTO,
  • SAITO, NAOTO,
  • USUI, YUKI,
  • OGIHARA, NOBUHIDE
国際特許分類(IPC)
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