The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 17, 1989
Filed:
Jun. 08, 1987
Applicant:
Inventors:
Masahide Inoue, Tokyo, JP;
Takeshi Ichitsuka, Tokyo, JP;
Yasuhiko Hirayama, Tokyo, JP;
Shozo Koshikawa, Tokyo, JP;
Tateki Kitaoka, Chiba, JP;
Nobuo Nakabayashi, Chiba, JP;
Tatsumichi Takeda, Tokyo, JP;
Osamu Minoo, Tokyo, JP;
Assignee:
Asahi Kogaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
604 93 ; 604175 ; 604185 ; 6048911 ;
Abstract
A support for a biomedical implant device in which the support has a surface layer composed of a biocompatible calcium phosphate material such as sintered hydroxyapatite with a porosity of 50-60% and pore size of 0.5-500 micrometers. Preferably, the surface layer is formed with projections or recesses of a few hundred micrometers size.