Nicholas Slater,Takatoshi Miyashita,Atsushi Kuroshima,Shion Fujimura
申请号：
US14154842
公开号：
US09358115B2
申请日:
2014.01.14
申请国别(地区):
US
年份:
2016
代理人:
摘要：
An artificial hip joint stem of the present invention includes a stem body divided into a stem proximal part, a stem distal part, and a stem intermediate part located between the stem proximal part and the stem distal part. The stem body includes a rough surface located at the stem proximal part and having a surface roughness (Ra) of 10-80 μm, a smooth satin surface located at the stem intermediate part and having a surface roughness (Ra) of 0.1-1.0 μm, and a shiny surface located at the stem distal part and having a surface roughness (Ra) of less than 0.1 μm. The present invention also provides an artificial hip joint including the artificial hip joint stem.
