Tuberosity reconstruction baseplate for shoulder hemiarthroplasty: Morphological design and biomaterial application

Zhentao Ding; Zhentao Ding; Zhentao Ding; Jiabao Ju; Jiabao Ju; Jiabao Ju; Mingtai Ma; Mingtai Ma; Mingtai Ma; Yichong Zhang; Yichong Zhang; Yichong Zhang; Jianhai Chen; Jianhai Chen; Jianhai Chen

doi:10.3389/fbioe.2022.1047187

Frontiers in Bioengineering and Biotechnology (Oct 2022)

Tuberosity reconstruction baseplate for shoulder hemiarthroplasty: Morphological design and biomaterial application

Zhentao Ding,
Zhentao Ding,
Zhentao Ding,
Jiabao Ju,
Jiabao Ju,
Jiabao Ju,
Mingtai Ma,
Mingtai Ma,
Mingtai Ma,
Yichong Zhang,
Yichong Zhang,
Yichong Zhang,
Jianhai Chen,
Jianhai Chen,
Jianhai Chen

Affiliations

Zhentao Ding: Department of Orthopedics and Trauma, Peking University People’s Hospital, Beijing, China
Zhentao Ding: National Center for Trauma Medicine, Peking University People’s Hospital, Beijing, China
Zhentao Ding: Key Laboratory of Trauma and Neural Regeneration (Peking University), Ministry of Education, Beijing, China
Jiabao Ju: Department of Orthopedics and Trauma, Peking University People’s Hospital, Beijing, China
Jiabao Ju: National Center for Trauma Medicine, Peking University People’s Hospital, Beijing, China
Jiabao Ju: Key Laboratory of Trauma and Neural Regeneration (Peking University), Ministry of Education, Beijing, China
Mingtai Ma: Department of Orthopedics and Trauma, Peking University People’s Hospital, Beijing, China
Mingtai Ma: National Center for Trauma Medicine, Peking University People’s Hospital, Beijing, China
Mingtai Ma: Key Laboratory of Trauma and Neural Regeneration (Peking University), Ministry of Education, Beijing, China
Yichong Zhang: Department of Orthopedics and Trauma, Peking University People’s Hospital, Beijing, China
Yichong Zhang: National Center for Trauma Medicine, Peking University People’s Hospital, Beijing, China
Yichong Zhang: Key Laboratory of Trauma and Neural Regeneration (Peking University), Ministry of Education, Beijing, China
Jianhai Chen: Department of Orthopedics and Trauma, Peking University People’s Hospital, Beijing, China
Jianhai Chen: National Center for Trauma Medicine, Peking University People’s Hospital, Beijing, China
Jianhai Chen: Key Laboratory of Trauma and Neural Regeneration (Peking University), Ministry of Education, Beijing, China

DOI: https://doi.org/10.3389/fbioe.2022.1047187
Journal volume & issue: Vol. 10

Abstract

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Background: Shoulder hemiarthroplasty is prone to tuberosity malposition and migration, reducing the rate of tuberosity healing. We proposed to design a tuberosity reconstruction baseplate to assist in tuberosity integration and to evaluate the mechanical properties of baseplate made from the novel biomaterial carbon fiber reinforced polymer (CFRP) composites.Methods: The three-dimensional model of native proximal humerus was constructed by computed tomography (CT) data. The morphological design of baseplate was based on the tuberosity contour and rotator cuff footprint. Finite element models were created for different thicknesses of CFRP composites, poly (ether-ether-ketone) (PEEK) and titanium-nickel (TiNi) alloy. The permissible load and suture hole displacements were applied to evaluate the mechanical properties.Results: The structurally optimized model made of CFRP composites provided superior strength and deformability, compared to the PEEK material and TiNi alloy. Its permissible load was above 200 N and the suture hole displacement was between 0.9 and 1.4 mm.Conclusion: This study proposed a method for designing tuberosity reconstruction baseplate based on morphological data and extended the application of biomaterial CFRP composites in orthopedics field. The optimized model made of CFRP composites allowed a certain extent of elastic deformation and showed the possibility for dynamic compression of tuberosity bone blocks.

Published in Frontiers in Bioengineering and Biotechnology

ISSN: 2296-4185 (Online)
Publisher: Frontiers Media S.A.
Country of publisher: Switzerland
LCC subjects: Technology: Chemical technology: Biotechnology
Website: http://www.frontiersin.org/bioengineering_and_biotechnology

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