Table 2 The calculation chart showing length along to neck, body, and offset axis using dual mobility system and 32 mm trial head
If the single mobility 32 mm trial head is used. | ||||
|---|---|---|---|---|
Implanted Cup diameter (mm) | Dual Mobility Polyethylene outer diameter (mm) | Extended length to neck axis (mm) | Extended length to body axis (mm) | Extended length to offset axis (mm) |
46 or 48 | 38 | 3 | 1.8 | 2.3 |
50 or 52 | 42 | 5 | 3 | 4 |
54 or 56 | 46 | 7 | 4.2 | 5.6 |
58 or 60 | 48 | 8 | 4.8 | 6.3 |