| 摘要 |
A femoral prosthesis comprising a stem part and a head part, in which the stem part comprises a body section for location in the femur of a patient and a neck section comprising a spigot, in which the head part comprises a bearing surface formed as part of a sphere and a reverse side, in which the bearing surface comprises a polar axis extending through a centre of the sphere formed thereby, in which a bore is provided in said reverse side adapted to receive said spigot, in which said bore comprise a bore axis, and in which said bore axis is oblique to said polar axis.
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