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Mechanical testing and modelling of the Universal 2 implant
M K Gislason1, E Foster2, D Main2
1Department of Biomedical Engineering, School of Engineering and Technology, University of Reykjavik, Reykjavik, Iceland; Faculty of Engineering, University of Strathclyde, Glasgow, UK.
Medical Engineering & Physics
|April 17, 2016
Summary
Load mechanics of the Universal 2 wrist implant were measured using strain gauges and Fibre Bragg Gratings. Results closely matched finite element models, improving understanding for future implant designs.
Area of Science:
- Orthopaedic biomechanics
- Implant design and analysis
- Biomaterials engineering
Background:
- Understanding orthopaedic implant load mechanics is crucial for predicting in-vivo performance.
- Research on hip and knee implants is extensive, but wrist implant mechanics are less understood.
- The Universal 2 wrist implant is a subject of interest for biomechanical analysis.
Purpose of the Study:
- To measure the load mechanics of the Universal 2 wrist implant.
- To compare experimental measurements with finite element model predictions.
- To enhance the understanding of wrist implant behavior for future design improvements.
Main Methods:
- Experimental strain measurement using strain gauges.
- Experimental strain measurement using Fibre Bragg Gratings.
- Development and validation of a finite element model for the Universal 2 wrist implant.
Main Results:
- Experimental data from strain gauges and Fibre Bragg Gratings were collected.
- Finite element model results showed strong agreement with experimental measurements.
- The study successfully validated the computational model against physical measurements.
Conclusions:
- Accurate measurement of load mechanics is vital for orthopaedic implant development.
- Finite element modeling, validated by experimental data, is a reliable tool for analyzing wrist implants.
- This research provides a foundation for developing next-generation wrist implants with improved performance.
