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Type: Journal article
Title: AcroFlex design and results
Author: Fraser, R.
Ross, E.
Lowery, G.
Freeman, B.
Dolan, M.
Citation: The Spine Journal, 2004; 4(6):S245-S251
Publisher: Elsevier BV
Issue Date: 2004
ISSN: 1529-9430
Statement of
Robert D. Fraser, E. Raymond Ross, Gary L. Lowery, Brian J. Freeman and Mark Dolan
Abstract: The AcroFlex prosthesis is unique when compared to other current devices, as it has an elastomeric core sandwiched between two titanium endplates. The purpose of this design was to optimize shock absorption qualities. This paper reviews the design of the AcroFlex Disc and relevant design and outcomes of two pilot studies carried out on 28 patients using the AcroFlex prosthesis. Although clinical outcomes of the pilot studies were successful, the pivotal randomized trial has not been carried out due to detection of mechanical failure of the elastomer on thin cut CT scans. The implications of this for the AcroFlex and other arthroplasties are discussed.
Keywords: Lumbar Vertebrae; Humans; Osteoarthritis; Titanium; Elastomers; Biocompatible Materials; Tomography, X-Ray Computed; Arthroplasty, Replacement; Pilot Projects; Prosthesis Design; Joint Prosthesis; Adult; Middle Aged; Female; Intervertebral Disc
RMID: 0020081688
DOI: 10.1016/j.spinee.2004.07.020
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Appears in Collections:Orthopaedics and Trauma publications

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