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European Journal of Orthopaedic Surgery & Traumatology
Published in: European Journal of Orthopaedic Surgery & Traumatology 1/2020

01-01-2020 | Original Article • HIP - BIOMATERIALS

A porous polymeric–hydroxyapatite scaffold used for femur fractures treatment: fabrication, analysis, and simulation

Authors: Saeid Esmaeili, Hossein Akbari Aghdam, Mehdi Motififard, Saeed Saber-Samandari, Amir Hussein Montazeran, Mohammad Bigonah, Erfan Sheikhbahaei, Amirsalar Khandan

Published in: European Journal of Orthopaedic Surgery & Traumatology | Issue 1/2020

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Abstract

Background

One of the most common fractures in the skeleton happens in the femur. One of the important reasons for this fracture is because it is the longest bone in the body and osteoporosis affect this part a lot. The geometric complexity and anisotropy properties of this bone have received a lot of attention in the orthopedic field.

Methods

In this research, a femur designed using 3D printing machine using the middle part of the hip made of polylactic acid–hydroxyapatite (PLA–HA) nanocomposite containing 0, 5, 10, 15, and 25 wt% of ceramic nanoparticle. Three different types of loadings, including centralized loading, full-scale, and partially loaded, were applied to the designed femur bone. The finite element analysis was used to analyze biomechanical components.

Results

The results of the analysis showed that it is possible to use the porous scaffold model for replacement in the femur having proper strength and mechanical stability. Stress–strain analysis on femoral implant with biometric HA and PLA after modeling was performed using the finite element method under static conditions in Abaqus software.

Conclusion

Three scaffold structures, i.e., mono-, hybrid, and zonal structures, that can be fabricated using current bioprinting techniques are also discussed with respect to scaffold design.
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Metadata
Title
A porous polymeric–hydroxyapatite scaffold used for femur fractures treatment: fabrication, analysis, and simulation
Authors
Saeid Esmaeili
Hossein Akbari Aghdam
Mehdi Motififard
Saeed Saber-Samandari
Amir Hussein Montazeran
Mohammad Bigonah
Erfan Sheikhbahaei
Amirsalar Khandan
Publication date
01-01-2020
Publisher
Springer Paris
Published in
European Journal of Orthopaedic Surgery & Traumatology / Issue 1/2020
Print ISSN: 1633-8065
Electronic ISSN: 1432-1068
DOI
https://doi.org/10.1007/s00590-019-02530-3

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