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:
Nov. 24, 2015
Filed:
Oct. 02, 2008
Masayuki Kyomoto, Osaka, JP;
Kazuhiko Ishihara, Tokyo, JP;
Kozo Nakamura, Tokyo, JP;
Yoshio Takatori, Tokyo, JP;
Hiroshi Kawaguchi, Tokyo, JP;
Toru Moro, Tokyo, JP;
Masayuki Kyomoto, Osaka, JP;
Kazuhiko Ishihara, Tokyo, JP;
Kozo Nakamura, Tokyo, JP;
Yoshio Takatori, Tokyo, JP;
Hiroshi Kawaguchi, Tokyo, JP;
Toru Moro, Tokyo, JP;
KYOCERA MEDICAL CORPORATION, Osaka, JP;
THE UNIVERSITY OF TOKYO, Tokyo, JP;
Abstract
The object of the present invention is to provide a sliding member, a prosthesis and a method of producing the sliding member, which can suppress production of abrasive wear debris by suppressing friction of the sliding section, and also can maintain satisfactory mechanical characteristics in vivo. A sliding member comprising: a substratecapable of forming hydroxyl groups; and a biocompatible material layerlaminated on appropriate sections of the substrate, wherein hydroxyl groups are formed on at least a required section of a surface of the substrateby surface treating to form a surface-treated layer, while the biocompatible material layeris formed from a polymer containing phosphorylcholine groups, and wherein the substrateand the biocompatible material layerare joined via a binder layerformed from silica being covalently bonded with the hydroxyl groups and the biocompatible material, respectively.