Hüftgelenkspfanne

An acetabular cup for use in a total hip prosthesis employing a natural sized femoral ball head comprises an inner bearing surface portion constructed from a ceramics material, an outer bone-interface layer, and an outer coating of a bone growth stimulant substance applied to the outer bone-interfac...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: PICHON, DENIS, CUEILLE, CHRISTOPHE
Format: Patent
Sprache:ger
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Beschreibung
Zusammenfassung:An acetabular cup for use in a total hip prosthesis employing a natural sized femoral ball head comprises an inner bearing surface portion constructed from a ceramics material, an outer bone-interface layer, and an outer coating of a bone growth stimulant substance applied to the outer bone-interface layer. Two manufacturing methods are disclosed: In the first method, a porous alumina layer is sprayed onto the outer surface of the inner portion; in the second method, a heated titanium shell is shrinked onto the inner portion by cooling it down.