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:
Mar. 15, 2016
Filed:
Apr. 16, 2012
Process and material solution to reduce metal ion release for implantable medical device application
Applicants:
Alan Shi, Plymouth, MN (US);
Bernard LI, Plymouth, MN (US);
Inventors:
Alan Shi, Plymouth, MN (US);
Bernard Li, Plymouth, MN (US);
Assignee:
Medtronic, Inc., Minneapolis, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61L 27/50 (2006.01); C23F 1/00 (2006.01); A61L 27/04 (2006.01);
U.S. Cl.
CPC ...
C23F 1/00 (2013.01); A61L 27/045 (2013.01); A61L 27/50 (2013.01); A61L 2400/18 (2013.01);
Abstract
The invention describes a method and compositions where the presence of cobalt and or nickel have been depleted from the surface layer(s) of a cobalt, chromium, nickel containing alloy.