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Updated: Sep 29, 2026

An Efficient and Reproducible Protocol for Distraction Osteogenesis in a Rat Model Leading to a Functional Regenerated Femur
Published on: October 23, 2017
[Unrecognised dissociation of the bipolar hip prosthesis Avantage® (Biomet®) after closed reduction of a dislocation:
1Abteilung für Orthopädie und Unfallchirurgie, Robert-Bosch-Krankenhaus, Stuttgart.
Abstract:
An 84-year-old female patient was admitted to our emergency department with a periprosthetic fracture of the left femur with an implanted Avantage prosthesis (Biomet®). Conventional X-ray images revealed besides the fracture a lateralisation of the prosthesis stem. An additional CT scan showed a dissociation of the polyethylene inlay from the head of the prosthesis which took place 3 years ago in the course of a closed reposition of a postoperative luxation. This event shows the relevance of a precise analysis of X-ray images after reposition regarding the exact articulation of the different prosthesis components.
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