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2 Acta of Bioengineering and Biomechanics

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Biomechanical properties of bicortical and monocortical plate fixation for rib fractures in the adolescent human rib fracture model

Glowacki Jakub, Bartkowiak Tomasz, Paczos Piotr, Zielinski Michał, Smyczynski Mikołaj, Pelic Marcin

Acta of Bioengineering and Biomechanics

2023

Vol. 25, no. 3

The technical advancement of surgical stabilization of ribs often prevents the surgeons from fixation, despite the procedure`s documented improved outcomes. The aim of this study was to evaluate a less invasive approach involving a simplified monocortical rib fixation technique.

Investigation of Chest Injury Mechanism Caused by Different Seatbelt Loads in Frontal Impact

Xiao S., Yang J., Crandall J. R.

Acta of Bioengineering and Biomechanics

2017

Vol. 19, no. 3

53--62

The purpose of this quantitative study is to investigate the differences of the injury mechanism caused by two different types of seatbelts loads on the occupant chest. Methods: The finite element analysis is employed to compare the different responses of the human body model, including the comparison of kinematics, chest accelerations, seatbelt forces and chest injury outcomes regrading chest deflections and rib fractures. Results: The calculated rib strain/stress from simulations in force-limiting seatbelt are higher than that in the regular seatbelt. The forward movement and torso twist are both great in simulations with force-limiting seatbelt. Meanwhile, there are obvious differences in the injury outcomes of chest deflections and rib fracture risks under the different seatbelt loads. Conclusion: Results indicate the chest deflections and rib fracture risks are negatively correlated under the load of the force-limiting seatbelt, However, they are positively correlated to and determined by the seatbelt peak load of the regular seatbelt. This paper can provide a reference for study of the chest injury mechanism and the protection efficiency of seatbelt.