Zongtao Zhang,Keenan Michael Hanson,Thomas Francis McCarthy,Daniel E. Lawrynowicz,Aiguo Wang
申请号：
US13783894
公开号：
US20140249642A1
申请日:
2013.03.04
申请国别(地区):
US
年份:
2014
代理人:
摘要：
An orthopedic implant has a prosthetic joint component made, for example, of polyethylene and another component made of a titanium or titanium alloy substrate. The substrate has a first bearing surface coated with a coating made of a cobalt-chromium molybdenum alloy. The bearing surface slidably receives a second bearing surface of the prosthetic joint component. The cobalt-chromium molybdenum alloy coating forming the first bearing surface is made up of hexagonal close packed (HCP) grains having a columnar structure with a length of about 1 μm and a width of about 0.1 μm with the length of each HCP grains being oriented generally perpendicular to the titanium substrate bearing surface.
