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Dynamic analysis of penetrating trauma
N Yoganandan1, F A Pintar, S Kumaresan
1Department of Neurosurgery, College of Wisconsin and the Department of Veterans Affairs Medical Center, Milwaukee 53226, USA. yoga@post.its.mcw.edu
The Journal of Trauma
|February 1, 1997
Summary
This study developed a method to analyze low-velocity projectile trauma, finding significant differences in wound size and injury potential between smooth and expanding projectiles.
Area of Science:
- Forensic Science
- Biomechanical Engineering
- Trauma Research
Background:
- Limited data exists on wounding mechanics of low-velocity projectiles common in civilian settings.
- Previous research primarily focused on high-velocity military projectiles.
- This study addresses the need for understanding civilian penetrating trauma dynamics.
Purpose of the Study:
- To develop a methodology for analyzing low-velocity projectile trauma.
- To determine the dynamics of penetrating trauma from projectiles at 200-300 m/sec.
- To compare the wound dynamics of different projectile types.
Main Methods:
- Utilized a human tissue simulant for projectile impact testing.
- Employed high-speed video photography and synchronized triggers to capture projectile path.
- Computed temporal transient and residual wound profiles.
Main Results:
- Demonstrated a three-to-one ratio in maximum wound involvement between projectile types.
- Observed significant differences in transient wave oscillation amplitudes and durations.
- Identified distinct residual wound profiles indicating varied injury potentials.
Conclusions:
- Established an experimental methodology to analyze temporal dynamics of penetrating projectiles.
- Highlighted the necessity for further research to quantify diverse projectile behaviors.
- Proposed the protocol for systematic analysis to aid clinical management of penetrating trauma.