PMC3367303_01
The photograph shows the Trilogy constrained liner with a
10-degree oblique face (Zimmer, Inc, Warsaw, Indiana, USA).
TOORTHJ-6-211_F1.jpg
PMC3367303_01_TOORTHJ-6-211_F1.jpg
F1
Five years later, at age 84, the hip was revised to a Trilogy constrained liner with a 10-degree oblique face and 32-mm head (Zimmer, Inc, Warsaw, Indiana, USA) (Fig. 1) for instability and recurrent dislocation (Fig. 2).
Anteroposterior radiograph of dislocation of the right hip.
TOORTHJ-6-211_F3.jpg
PMC3367303_01_TOORTHJ-6-211_F3.jpg
F3
THA. The head appeared to have dislocated from the liner, and the locking ring disengaged but was not broken (Fig. 3).
Radiographs after closed reduction. (A) Anteroposterior view, (B) Lateral view.
TOORTHJ-6-211_F4.jpg
PMC3367303_01_TOORTHJ-6-211_F4.jpg
F4
The head was relocated and the locking ring was repositioned to where it was previously located (Fig. 4).