The Stryker ADM X3 is a bipolar or “mobile bearing” acetabular system, launched in early 2010 and comprising an X3 polyethylene intermediate bearing, which lies between the (ceramic) head and the shell. The shell is cutaway anteriorly with the intention of reducing the risk of psoas...

The Allofit/Allofit-S Cup System from Zimmer is an acetabular component which is hemispherical, but with a flattened pole geometry. The shell is titanium (Protasul-Ti) with an excellent macro-structure for locking into subchondral bone.  Neutral and 10 degree hooded polyethylene inserts,...

The Zimmer Continuum Acetabulum System is a flexible acetabular implantation system. It comprises a Trabecular Metal backing and has Longevity cross-linked polyethylene and Metasul bearing options. In 2011, the system was used in 3% of primary uncemented hip implantations, and had a pre-entry...

The H-A.C Coated CSF plus Cup from JRI is an evolution of the Furlong H-A.C CSF cup. Improvements include the availability of two shell types with differing internal tapers. The 18 degree internal taper is for ceramic (Biolox delta) liners, and the 5 degree for UHMWPE, including...

The DeltaMotion bearing from Finsbury is a large ceramic-on-ceramic bearing system. Femoral head diameters range from 32 to 48mm, shell sizes from 42 to 66mm. This system is said to be suited to patients with smaller acetabulae who would benefit from a large diameter bearing. The ceramic...