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Sites of fractures in explanted NeuFlex® silicone metacarpophalangeal joint prostheses

Lookup NU author(s): Professor Tom Joyce

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This is the authors' accepted manuscript of an article that has been published in its final definitive form by SAGE Publications Ltd, 2018.

For re-use rights please refer to the publisher's terms and conditions.

Abstract

© 2018, The Author(s) 2018. Single-piece silicone implants dominate metacarpophalangeal joint arthroplasty. The NeuFlex® implant was introduced to improve on the clinical performance of other silicone implants by having a pre-flexed hinge. By visually examining a cohort of 30 explanted NeuFlex® metacarpophalangeal joint prostheses we sought to identify the failure modes of these implants. Seven were not fractured, 11 had fractured across the hinge, nine had fractured at the junction of the distal stem and the hinge, and three showed fractures at both the hinge and at the junction of the distal stem and the hinge. These data may prove helpful in identifying how the performance of single-piece silicone implant designs can be improved.

Publication metadata

Author(s): Joyce TJ, Giddins G

Publication type: Article

Publication status: Published

Journal: Journal of Hand Surgery: European Volume

Year: 2018

Volume: 43

Issue: 10

Pages: 1083-1087

Print publication date: 01/12/2018

Online publication date: 12/05/2018

Acceptance date: 08/04/2018

Date deposited: 05/06/2018

ISSN (print): 1753-1934

ISSN (electronic): 2043-6289

Publisher: SAGE Publications Ltd

URL: https://doi.org/10.1177/1753193418774500

DOI: 10.1177/1753193418774500

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