High-Carbon Co28Cr6Mo Sliding Pairingsa,b

100% (n = 113)

Alloclassic® high-carbon Metasul® modular cup (Allopro®/SULZER Medica®)

82.0% (n = 109)

paired with high-carbon Metasul® head (Allopro®/SULZER Medica®)

High-carbon Metasul® Press-Fit monobloc cup (Protek®/SULZER Medica®) paired with high-carbon Metasul® head (Allopro®/SULZER Medica®)

2.3% (n = 3)

Alloclassic® high-carbon Metasul® modular cup (Allopro®/SULZER Medica®) paired with high-carbon Metasul® head (Protek®/SULZER Medica®)

0.8% (n = 1)

Low-Carbon Co28Cr6Mo Sliding Pairings

(n = 17)

• BICON® low-carbon modular cup (PLUS Endoprosthetics®) paired with low-carbon metal head (PLUS Endoprosthetics®)

Undocumented Co28Cr6Mo Sliding Pairings

(n = 3)

• Alloclassic® high-carbon Metasul® modular cup (Allopro®/SULZER Medica®) paired with undocumented metal head