AFTE Store - Analysis of Experimental Wound Paths in Tissue Simulants Using CT Scanning, Part I: Shots into Ballistic Soap

The aim of this study was to evaluate the application of Computed Tomography (CT) in wound ballistic research. For the purposes of wound ballistic studies and this research, ballistic soap was used to model and approximate the behaviour of bullets striking and penetrating the soft tissues of the human body. The retention of the temporary cavity and bullet path in ballistic soap were verified early on in this study through a number of preliminary experimental shots using a 9mm Parabellum semi-automatic pistol, and ammunition loaded with a variety of bullet types. Using CT technology in 3D mode on scanned ballistic soap blocks allowed for the evaluation of the data derived from the bullet’s path through each block. Furthermore, the density of these scanned blocks could be recorded. By evaluating the results of this study, accurate measurements can be obtained for the projectile’s penetration depth, any deviation of the bullet’s path in the soap compared to the pre-impact flight path of the bullet, and for the volume of the temporary cavity. Analysis of experimental shots in
ballistic soap through CT scanning provides an opportunity to observe and calculate the characteristics of wound channels as they relate to specific projectiles and impact velocities.

Full Journal: AFTE Journal Vol 50 No 1 (2018)