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