Turley, Glen A., Griffin, Damian R. and Williams, M. A. (Mark A.) (2014) Effect of femoral neck modularity upon the prosthetic range of motion in total hip arthroplasty. Medical & Biological Engineering & Computing, Volume 52 (Number 8). pp. 685-694. doi:10.1007/s11517-014-1171-9

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Abstract

In total hip arthroplasty, aseptic loosening and dislocation are associated with not being able to achieve the correct prosthetic component orientation. Femoral neck modularity has been proposed as a solution to this problem by allowing the surgeon to alter either the neck-shaft or version angle of the prosthetic femoral component intra-operatively. A single replicate full factorial design was used to evaluate how effective a modular femoral neck cementless stem was in restoring a healthy prosthetic range of motion in comparison with a leading fixed-neck cementless stem with the standard modular parameters. It was found that, if altered to a large enough degree, femoral neck modularity can increase the amount of prosthetic motion as well as alter its position to where it is required physiologically. However, there is a functional limit to the amount that can be corrected and there is a risk with regard to the surgeon having to select the optimum modular neck before any benefit is realised.

Item Type:	Journal Article
Subjects:	R Medicine > RD Surgery
Divisions:	Faculty of Medicine > Warwick Medical School Faculty of Science > WMG (Formerly the Warwick Manufacturing Group)
Library of Congress Subject Headings (LCSH):	Total hip replacement
Journal or Publication Title:	Medical & Biological Engineering & Computing
Publisher:	Springer
ISSN:	0140-0118
Official Date:	1 August 2014
Dates:	Date Event 1 August 2014 Published 27 June 2014 Available 17 June 2014 Accepted 6 November 2013 Submitted
Volume:	Volume 52
Number:	Number 8
Page Range:	pp. 685-694
DOI:	10.1007/s11517-014-1171-9
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Open Access
Funder:	Wright Medical Group, Inc., Engineering and Physical Sciences Research Council (EPSRC), Nikon Metrology (Firm)

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