A Failure of the Locking System of the Acetabular Assembly in a Total Hip Replacement.

Author: Young Hoo KIM ¹
Author Information

1. Department of Orthopedic Surgery, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.
Publication Type:Case Report
Keywords: Total hip replacement; dislocation of femoral prosthesis; separation of polyethylene liner
MeSH: Acetabulum*/radiography; Hip Prosthesis*; Human; Male; Middle Age; Postoperative Complications/radiography*; Prosthesis Failure; Synovitis/surgery*; Synovitis, Pigmented Villonodular/surgery*
From:Yonsei Medical Journal 1987;28(1):71-74
CountryRepublic of Korea
Language:English
Abstract: In this study, the author presents the case of one patient who had a Harris-Galante total hip replacement for pigmented villonodular synovitis of the left hip joint, the locking system failed and separation of the polyethylene liner from the acetabular metal shell occurred while the closed reduction of the posterior dislocation of the femoral prosthesis was performed. This study indicates that the design of the acetabular assembly should be modified. The gap between the rims of metal shell and polyethylene liner should be reduced or eliminated.