Update - “Big-head”: The solution to the problem of hip implant dislocation? - 30/04/11
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Summary |
New friction couples, initially intended to limit osteolysis risk due to debris, have enabled larger implant head diameters to be developed to resolve the problem of hip implant dislocation. The Symposium demonstrated that, whatever the configuration, increased head diameter significantly reduced the incidence of dislocation, but that none of the friction couples fulfilled the mechanical and/or biomechanical charge-book for consistently reliable use of large diameter heads. The greatest caution is therefore recommended in their implementation.
Le texte complet de cet article est disponible en PDF.Keywords : Total hip arthroplasty, Hip implant dislocation, Friction-couple, Head diameter
Plan
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