Dual Mobility Hip Resurfacing

A dual mobility hip resurfacing implant, comprising:

• an acetabular component having a first outer surface and a first inner surface defining a first cavity;
• a liner comprising:
• a second outer surface including a first convex surface portion, the second outer surface of the liner being configured to be received within the first cavity and articulable therein;
• and
• a second inner surface including a first concave surface portion, the second inner surface defining a second cavity;
• and
• a femoral head component comprising:
• a third outer surface including a second convex surface portion configured to be received within the second cavity and articulable therein;
• and
• a third inner surface including a second concave surface portion, the third inner surface configured to be received on a femoral head of a femur bone,
• wherein at least one of the first convex surface portion and the second convex surface portion include interruptions such that when the first convex surface portion is interrupted, the first convex surface portion includes a first plurality of interruptions at a first plurality of locations on the second outer surface, and when the second convex surface portion is interrupted, the second convex surface portion includes a second plurality of interruptions at a second plurality of locations on the third outer surface.