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Biomechanical Studies of Transthoracic Vertebral Body Replacement with Autologous Bone Grafts (Fibula and Rib) by Bertram Kaden; Walter Koch; Karin Varchmin-Schultheiß; Matthias Wunsch; Gerhard Fuhrmann is a Medicine article available to read on EtoBox.

What is Biomechanical Studies of Transthoracic Vertebral Body Replacement with Autologous Bone Grafts (Fibula and Rib) about?

Thoracic processes which destroy vertebral bodies leave gaps which usually have to be bridged. The aim of our experiments was to find out whether rib and fibula grafts are suitable vertebral body substitutes from the biomechanical point of view. Therefore, we examined characteristics of vertebral body/bone graft/vertebral body arrangements under the influence of pulsating compression forces in a testing machine. The deformation of the rib graft alone was 0.78 mm under a preselected peak load of 1010 Newton. When the rib graft was placed between two vertebral bodies, the deformation (creeping) was 6 mm under a peak load of 1010 Newton. The deformation of the fibula graft alone was 0.41 mm, and when placed between vertebral bodies maximally 3 mm. The results of our experiments lead to the conclusion that ribs modified according to our design are prinzipally suitable for vertebral body replacement in the thoracic region as far as primary stress resistance is concerned. Characteristics of these bone grafts in the human body are being followed-up.

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Author

Bertram Kaden; Walter Koch; Karin Varchmin-Schultheiß; Matthias Wunsch; Gerhard Fuhrmann

Publisher

Springer-Verlag; Springer Verlag; Springer Science and Business Media LLC (ISSN 0344-5607)

Published

1995

Language

EN

Field

Medicine (Health Sciences)