Articulation Liner/Shell

Articulation Head/Liner

Articulation Neck/Liner

Dual Mobility

Third Articulation

1

2

3

1

2

3

Articulation Liner/Shell

Articulation Head/Liner

Articulation Neck/Liner

Dual Mobility

Third Articulation

1

2

3

1

2

3

ENDOLAB GmBH WEAr TEsT

0

10

20

30

40

Wea

r Ra

te (m

m3 /

106 c

ycle

s)

Metal-UHMWPE(DM Liner)

Metal-Highcross(DM Liner)

Volumetric wear of the conventional UHMWPE and Highcross liners [4]

LITErATUrE HArD-ON-HArD WEAr TEsT

0

10

20

30

40

Wea

r Ra

te (m

m3/

106

cycl

es)

Metal-Metal Ceramic-Ceramic

Volumetric wear of Hard-on-Hard bearing (data coming from literature) [14]

5Million Cycles

milligrams

50

4321

100

150

200

250

300 Versafitcup® DM liner, standard UHMWPE (CoCr 28 mm head)Fixed UHMWPE liner (CoCr 28 mm head)

Versafitcup® DM liner, standard UHMWPE (Ce 28 mm head)Versafitcup® DM liner, Highcross UHMWPE (CoCr 28 mm head)

Gravimetric Wear

ROM (according to ISO 21535)

Versafitcup®

Double Mobility

Standard Fixed Liner Cup

Head Ø 28mm

Standard Fixed Liner Cup

Head Ø 32mm

Standard Fixed Liner Cup

Head Ø 36mm

Abduction/Adduction

140° 125° 132° 137°

Flexion/Extension

141° 125° 132° 137°

Internal/External Rotation

216° 163° 172° 180°

Versafitcup® DM Acetabular Shell Ø mm 46 48 50 52 54 56 58 60 62 64

Liner Ø mm (responsible for hip stability) 38 40 42 44 46 48 50 52 54 56

Ø 28mm Ø 44mmA1A2

A2