Analysis of the biomechanical response of kidneys under blunt impact.

Auteur(s)
Schmitt, K.U. & Snedeker, J.G.
Jaar
Samenvatting

This study addresses the biomechanical response of kidneys to traumatic insult by pendulum impact. Force-deformation characteristics were derived for 65 impacted adult pig kidneys. Renal injuries were classified by autopsy, and an injury risk analysis was performed. An energy based injury threshold was identified, with a strain energy density of 21 kJ/m3 corresponding to a 50% risk of renal injury level AIS3 or higher. Finally, the impact tests were simulated using a finite element model of the human kidney to investigate underlying injury mechanisms. The model predicted the renalcapsule and underlying parenchyma to first fail at an impact energy levelof 4.0J, consistent with experimental results. For the covering abstract see ITRD E134311.

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Publicatie

Bibliotheeknummer
C 43343 (In: C 43328 CD-ROM) /80 /84 / ITRD E134326
Uitgave

In: Proceedings of the 2005 International IRCOBI Conference on the biomechanics of impact, Prague (Czech Republic), September 21-23, 2005, 14 p.

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