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:
May. 02, 2017
Filed:
Dec. 14, 2016
Applicant:
Olympus Corporation, Tokyo, JP;
Inventors:
Jun Honda, Tokyo, JP;
Takamitsu Sakamoto, Tokyo, JP;
Assignee:
OLYMPUS CORPORATION, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
A61B 17/04 (2006.01); A61B 17/84 (2006.01); A61F 2/08 (2006.01); A61B 17/86 (2006.01); A61L 31/02 (2006.01); A61L 31/14 (2006.01);
U.S. Cl.
CPC ...
A61B 17/866 (2013.01); A61L 31/022 (2013.01); A61L 31/148 (2013.01);
Abstract
An implant including a screw body composed of pure magnesium or a magnesium alloy and having a male thread, and the implant further including an anodized membrane covering an outer surface of the screw body. The male thread has a clearance flank and a pressure flank. The clearance flank faces forward in a traveling direction and the pressure flank faces rearward in the traveling direction during a screwing process of the screw body. The biodegradation period of the anodized membrane on the clearance flank is shorter than the biodegradation period of the anodized membrane on the pressure flank.