In this study, the mechanical properties of the menisci of patients with osteoarthritis who underwent knee replacement operations were evaluated. The analyzes were performed through stress-relaxation unconfined compression tests. The resulting curves were analyzed using a poroviscoelastic model. Finally, the results of the analysis, such as porosity, equilibrium and mean Young's modulus, were compared with literature data on healthy patients.
In questo studio sono state valutate le proprietà meccaniche di menischi di pazienti affetti da osteoartrosi , sottoposti a operazioni di sostituzione del ginocchio. Le analisi sono state compiute attraverso prove di compressione non confinata di stress-relaxation. Le curve risultantisono state analizzate mediante un modello poroviscoelastico. Infine i risultati dell'analisi, quali porosità , modulo di Young all'equilibrio e medio, sono stati confrontati con dati di letteratura di pazienti sani.
Valutazione delle proprietà biomeccaniche del menisco osteoartritico: prove sperimentali e modello costitutivo.
BALENA, GIOACCHINO
2022/2023
Abstract
In this study, the mechanical properties of the menisci of patients with osteoarthritis who underwent knee replacement operations were evaluated. The analyzes were performed through stress-relaxation unconfined compression tests. The resulting curves were analyzed using a poroviscoelastic model. Finally, the results of the analysis, such as porosity, equilibrium and mean Young's modulus, were compared with literature data on healthy patients.File | Dimensione | Formato | |
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https://hdl.handle.net/20.500.12608/45801