Title:
【発明の名称】イットリウム添加ジルコニアから成る生体内医療部品
Document Type and Number:
Japanese Patent JP2003530970
Kind Code:
A
Abstract:
A biomedical component comprising sintered yttria tetragonal zirconia ceramic (YTZP), the YTZP comprising at least 90 mol % ZrO2, the ZrO2 being partially stabilized with at least 2.1 mol % yttria, wherein the YTZP further comprises between 0.05 wt % and 1 wt % alumina, wherein the YTZP has a density of at least 99% of theoretical density and has a grain size, as measured by the linear intercept method, of no more than 1 micron, and wherein the yttria is homogeneously distributed within the zirconia.
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Inventors:
Cal, Bernard
Blaise, Laurence
Bilermo, France Reine
Blaise, Laurence
Bilermo, France Reine
Application Number:
JP2001578011A
Publication Date:
October 21, 2003
Filing Date:
April 26, 2001
Export Citation:
Assignee:
Saint-Gobain Ceramics Avance De Marche
International Classes:
A61F2/32; A61F2/34; A61F2/36; A61F2/38; A61F2/44; A61C13/087; A61L27/00; A61L27/10; C04B35/48; A61F2/00; A61F2/30; (IPC1-7): A61L27/00; A61C13/087; A61F2/34; A61F2/36; A61F2/38; A61F2/44; C04B35/48
Attorney, Agent or Firm:
Yoshio Kawaguchi (4 outside)