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...

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 TriboFit is an unusual socket made of a semi-flexible translucent material which is highly hydrophilic and which therefore maintains a layer of fluid around the femoral head. It is said to be associated with almost no wear as there is no physical contact between components. The associated...

The Trilogy Longevity Constrained Liner (aka the Epsilon socket) is a constrained socket, available as a liner for the Zimmer Trilogy and Trabecular Metal acetabular shells or in a version intended for cementing into a shell. It has a unique design that aims to improve on the range of motion...

The Trident Acetabular System from Stryker is an uncemented acetabular system which includes Crossfire polyethylene, X3 polyethylene , alumina ceramic, constrained liners, concentric and eccentric liners. The shells come in no-hole, cluster hole and multiple hole variants, hemispherical and PSL...