Hybrid III Sternal Deflection associated with thoracic injury severities of occupants restrained with force-limiting shoulder belts.

Author(s)
Mertz, H.J. Horsch, J.D. Horn, G. & Lowne, R.W.
Year
Abstract

A relationship between the risk of significant thoracic injury (AIS 3) and Hybrid III dummy sternal deflection for shoulder belt loading is developed. This relationship is based on an analysis of the Association Peugeot-Renault accident data of 386 occupants who were restrained by three-point belt systems that used a shoulder belt with a force-limiting element. For 342 of these occupants, the magnitude of the shoulder belt force could be estimated with various degrees of certainty from the amount of force-limiting band ripping. Hyge sled tests were conducted with a Hybrid III dummy to reproduce the various degrees of band tearing. The resulting Hybrid III sternal deflections were correlated to the frequencies of AIS 3 thoracic injury observed for similar band tearing in the field accident data. This analysis indicates that for shoulder belt loading a Hybrid III sternal deflection of 50 mm corresponds to a 40 to 50% risk of AIS 3 thoracic injury.

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Publication

Library number
C 510 (In: C 500 [electronic version only]) /84 / IRRD 841568
Source

In: Frontal crash safety technologies for the 90's : proceedings of the International Congress and Exposition, Detroit, Michigan, February 25 - March 1, 1991, SAE technical paper 910812, p. 105-119, 14 ref.

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