Modes of failure of a threaded acetabular cup
نویسندگان
چکیده
منابع مشابه
Bicon Threaded Acetabular Cup Fracture, Case Report, Mode of Failure and Review of the Literature
The patient was a 77 years old female (160cm and 70Kg, BMI 27.3) who was operated for the first time in 2001 due to dysplasia (Figure 1). A Zweymüller stem combined with a second generation Bicon cup were used (Sz. 2 stem, 46-mm Bicon® titanium threaded cup, metal/PE combination; Plus Endoprothetik, Rotkreuz, Switzerland) (Figure 2). The patient had an uneventful postoperative period. During th...
متن کاملAcetabular Cup Revision
The use of acetabular cup revision arthroplasty is on the rise as demands for total hip arthroplasty, improved life expectancies, and the need for individual activity increase. For an acetabular cup revision to be successful, the cup should gain stable fixation within the remaining supportive bone of the acetabulum. Since the patient's remaining supportive acetabular bone stock plays an importa...
متن کاملPrimary Migration of Fully-threaded Acetabular Prostheses
We investigated the fixation of fully-threaded cementless acetabular prostheses in 20 patients with osteoarthritis, measuring the migration of the cup using roentgen stereophotogrammetric analysis (RSA). All the cups migrated proximally, 13 moved laterally or medially, and nine moved anteriorly or posteriorly in the first two postoperative years, the average migration being 1.1 to 1.4 mm in eit...
متن کاملEarly catastrophic failure of Birmingham acetabular dysplasia cup in revision arthroplasty: a case report
INTRODUCTION Revision acetabulum arthroplasty is one of the common procedures, which has been on the rise recently. Many implants are available in the market with variable results. Aseptic loosening is the most common indication for revision acetabulum arthroplasty. Birmingham dysplasia cup has been used occasionally in these complex procedures. We know that these implants have provided good re...
متن کاملThe assessment of Charnley acetabular cup malposition.
Technical errors are the commonest cause of dislocation of hip prostheses (Hamblen 1984). An excessively anteverted or retroverted acetabular component is often responsible. The deleterious effects of such malposition have been documented by Ackland, Bourne and Uhthoff (1986), Fackler and Poss (1980) and Lewinnek et ab (1978). These workers were abbe to measure anteversion or retroversion by ut...
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ژورنال
عنوان ژورنال: International Orthopaedics
سال: 2006
ISSN: 0341-2695,1432-5195
DOI: 10.1007/s00264-006-0155-2