Sbaragli, Camilla
(2024)
Biomechanical investigation of the Rekrea fixator using a composite tibia model.
[Laurea magistrale], Università di Bologna, Corso di Studio in
Biomedical engineering [LM-DM270] - Cesena, Documento ad accesso riservato.
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Abstract
During the daily activities, the bones are subjected to fractures that can happened due to trauma, falls or excessive strain and the most commonly injured bone is the tibia. In recent decades external fixation has become one of the main techniques for the treatment of numerous bone diseases such as limb lengthening. In this context, the present thesis focused on the Rekrea, a monolateral external fixator for the limb lengthening treatment. This fixator was characterized by three clamps, one fixed to the proximal stump of the tibia and the other two fixed to the distal stump. During each acquisition the number of bone screws, the tightening of the clamp and the thickness of the bone callus placed in the fracture site were changed in order to create the different configurations of the device. The behaviour of the Rekrea fixator was investigated using a Sawbones Tibia model and several mechanical compressive tests have been performed on this system with the aim of assessing which configuration could be the best, in terms of stiffness and Interfragmentary Movement, to enable a successful lengthening treatment outcome.
Abstract
During the daily activities, the bones are subjected to fractures that can happened due to trauma, falls or excessive strain and the most commonly injured bone is the tibia. In recent decades external fixation has become one of the main techniques for the treatment of numerous bone diseases such as limb lengthening. In this context, the present thesis focused on the Rekrea, a monolateral external fixator for the limb lengthening treatment. This fixator was characterized by three clamps, one fixed to the proximal stump of the tibia and the other two fixed to the distal stump. During each acquisition the number of bone screws, the tightening of the clamp and the thickness of the bone callus placed in the fracture site were changed in order to create the different configurations of the device. The behaviour of the Rekrea fixator was investigated using a Sawbones Tibia model and several mechanical compressive tests have been performed on this system with the aim of assessing which configuration could be the best, in terms of stiffness and Interfragmentary Movement, to enable a successful lengthening treatment outcome.
Tipologia del documento
Tesi di laurea
(Laurea magistrale)
Autore della tesi
Sbaragli, Camilla
Relatore della tesi
Correlatore della tesi
Scuola
Corso di studio
Indirizzo
CURRICULUM BIOENGINEERING OF HUMAN MOVEMENT
Ordinamento Cds
DM270
Parole chiave
Tibia lengthening treatment,external fixator,stiffness,IFM,internal load
Data di discussione della Tesi
14 Marzo 2024
URI
Altri metadati
Tipologia del documento
Tesi di laurea
(NON SPECIFICATO)
Autore della tesi
Sbaragli, Camilla
Relatore della tesi
Correlatore della tesi
Scuola
Corso di studio
Indirizzo
CURRICULUM BIOENGINEERING OF HUMAN MOVEMENT
Ordinamento Cds
DM270
Parole chiave
Tibia lengthening treatment,external fixator,stiffness,IFM,internal load
Data di discussione della Tesi
14 Marzo 2024
URI
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