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Early Failure of a Modular Femoral Neck Total Hip Arthroplasty ComponentA Case Report
David A.J. Wilson, MASc, BEng1; Michael J. Dunbar, MD, FRCSC, PhD1; John D. Amirault, MD, FRCSC1; Zoheir Farhat, PhD, PEng1
1 School of Biomedical Engineering (D.A.J.W. and M.J.D.) and Departments of Surgery (D.A.J.W., M.J.D., and J.D.A.) and Materials Engineering (Z.F.), QEII Health Sciences Centre, 1796 Summer Street, Room 4822, Halifax, NS B3H 3A7, Canada. E-mail address for D.A.J. Wilson: wilsondaj@gmail.com
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Disclosure: In support of their research for or preparation of this work, one or more of the authors received, in any one year, outside funding or grants in excess of $10,000 from Wright Medical and Stryker. Neither they nor a member of their immediate families received payments or other benefits or a commitment or agreement to provide such benefits from a commercial entity.

Investigation performed at QEII Health Sciences Centre, Halifax, Nova Scotia, Canada

Copyright ©2010 American Society for Journal of Bone and Joint Surgery, Inc.
J Bone Joint Surg Am, 2010 Jun 01;92(6):1514-1517. doi: 10.2106/JBJS.I.01107
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Extract

The PROFEMUR Z modular total hip arthroplasty component (Wright Medical Technology, Arlington, Tennessee) is a primary total hip replacement system that offers surgeons the ability to alter the length and version of the femoral neck after the femoral stem has been implanted. The modularity is achieved through taper interfaces at the distal and proximal ends of the femoral neck. The proximal femoral neck taper engages with the femoral head, and the distal taper engages with the femoral stem.
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    Accreditation Statement
    These activities have been planned and implemented in accordance with the Essential Areas and policies of the Accreditation Council for Continuing Medical Education (ACCME) through the joint sponsorship of the American Academy of Orthopaedic Surgeons and The Journal of Bone and Joint Surgery, Inc. The American Academy of Orthopaedic Surgeons is accredited by the ACCME to provide continuing medical education for physicians.
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