Artificial hip joint stem and artificial hip joint including the same

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...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SLATER NICHOLAS, MIYASHITA TAKATOSHI, FUJIMURA SHION, KUROSHIMA ATSUSHI
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung: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.