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MINERVA ORTOPEDICA E TRAUMATOLOGICA

A Journal on Orthopedics and Traumatology


Official Journal of the Piedmontese-Ligurian-Lombard Society of Orthopedics and Traumatology
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Minerva Ortopedica e Traumatologica 2017 June;68(2):58-63

DOI: 10.23736/S0394-3410.17.03816-4

Copyright © 2017 EDIZIONI MINERVA MEDICA

language: English

What’s new with dual-mobility hip arthroplasties?

Philippe HERNIGOU , Jacques PARIAT, Damien POTAGE, Arnaud DUBORY, Charles H. FLOUZAT LACHANIETTE

Hopital Henri Mondor, University of Paris, Paris, France


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Initially designed by Gilles Bousquet in France with the idea of reducing the risk of dislocation after total hip arthroplasty (THA), dual-mobility sockets made their way to Europe, USA, South America and Asia about 15 years ago, adding another tool to the management of instability after THA. These systems use a mobile intermediate polyethylene liner in addition to a standard retentive femoral head. This creates a femoral head with an increased diameter and two main articulation surfaces: first, between the conventional femoral head and mobile liner and, second, between the outer side of the mobile liner and a metallic acetabular cup which is fixated in the acetabular bone. Another less regarded articulation surface is described between the mobile liner at the level of the retentive rim and the femoral neck.


KEY WORDS: Arthroplasty, replacement, hip - Hip dislocation - Orthopedics

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Issue published online: March 16, 2017

Cite this article as

Hernigou P, Pariat J, Potage D, Dubory A, Flouzat Lachaniette CH. What’s new with dual-mobility hip arthroplasties? Minerva Ortop Traumatol 2017;68:58-63. DOI: 10.23736/S0394-3410.17.03816-4

Corresponding author e-mail

philippe.hernigou@wanadoo.fr