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FP5

CHILD Résumé de rapport

Project ID: G3RD-CT-2002-00791
Financé au titre de: FP5-GROWTH
Pays: France

D6: Injury risk curves on different body segments of children (PSA)

This document is describing the methodology and main results of the works conducted in the CHILD project on the development of injury criteria for different body regions. These results are essential for the development of new test procedures to evaluate the level of protection offered by child restraint systems. The source of data is the reproduction of real life injuries sustained by restrained children in accidents cars, through accident reconstructions performed in crash test laboratories. These injury criteria and procedure works have to be reflective of the conditions of loads of child dummies in physical accident reconstructions. Results of the previous EC CREST program are the base of the work of this task and they were completed with new tests performed during the CHILD project, which correspond to the needs of data in term of injured body segments per type of impact.

Head, neck, chest and abdomen were considered as body segments to be protected in priority. 38 new accident reconstructions of accidents were performed, because of the interest for the biomechanical data they were bringing. As the objective of this task was to identify the physical parameters associated with various child injury mechanisms specific analysis in frontal and side impacts conditions for all body segments were conducted. Injury risk curves were constructed or at least to limit were recommended and thresholds for injury have been defined when sufficient data were available. Different methodologies were used to construct injury risk curves: the certainty method, the CTE (Consistent Threshold Estimate) and logistic regression, in order to see the influence of the method on the results. The injury risk curves constructed by certainty method were presented within the CHILD Workshop, the results of all methods are presented in the document.

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Reported by

PCA PEUGEOT CITROEN - LAB
18 RUE DES FAUVELLES - CASE LG127
92250 LA GARENNE COLOMBES
France
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