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Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_16 | Pages 68 - 68
1 Apr 2013
Wehner T Gruchenberg K Bindl R Ignatius A Claes L
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Introduction

The fracture healing outcome is often evaluated via ex vivo testing of the fracture callus. However, there is only a small time window, where the callus stiffness is significantly different, i.e. a delayed fracture healing might be undetected if the time point of sacrifice is improper. The aim of this study was to develop an in vivo monitoring concept, which allows determining the fracture callus stiffness in vivo over the whole healing time in rats.

Hypothesis

The fracture callus stiffness can be monitored by measuring the deformation of the external fixation device during gait analysis at several healing time points.