Acetabular Components with Co₂₈Cr₆MO Articulation Liner^a

100% (n = 133)

Alloclassic^® (Allopro^®/SULZER Medica^®) modular threaded conical

85.0% (n = 113)

titanium cup with grit blasted outer surface, after Zweymüller

BICON^® (PLUS Endoprosthetics^®) modular threaded biconical titanium cup with grit blasted outer surface, after Zweymüller

12.8% (n = 17)

Press-fit (Protek^®/SULZER Medica^®) hemispheric monobloc cup with SulMesh^® titanium outer surface coating, after Morscher

2.3% (n = 3)

Prosthetic Co₂₈Cr₆Mo Metal Heads^a

100% (n = 133)

• Allopro^®/SULZER Medica^®

84.2% (n = 112)

• PLUS Endoprosthetics^®

12.8% (n = 17)

• Protek^®/SULZER Medica^®

0.8% (n = 1)

• Metal heads from unknown producer/producer not documented

2.3% (n = 3)

Cemented and Uncemented Prosthetic Stems^a

100% (n = 133)

• Zweymüller SL Allopro^® uncemented (Allopro®/SULZER Medica^®)

72.2% (n = 96)

• Zweymüller IMG 67 SL uncemented (PLUS Endoprosthetics^®)

18.8% (n = 25)

• Weber-Stühmer cemented (Allopro^®/SULZER Medica)

2.3% (n = 3)

• Zweymüller IMG 67 SLR uncemented (PLUS Endoprosthetics^®)

1.5% (n = 2)

• Centrament^® cemented (Aesculap^®)

0.8% (n = 1)

• Morscher-Spotorno 30 cemented (Protek^®/SULZER Medica^®) uncemented (SULZER Medica^®)

0.8% (n = 1)

• Wagner SL revision stem

0.8% (n = 1)

• Stems left in situ and not documented

3.0% (n = 4)