Blast injury research: modeling injury effects of landmines, bullets, and bombs.
Terrorist blasts and landmine injuries have become more common in the past several decades generating thousands of casualties. Preventive and prognostic measures are limited by the lack of knowledge of these complex events. Previous blast research has focused on primary blast injuries that involve the lung, despite musculoskeletal injuries being the most common. Through the use of instrumented cadavers, Hybrid III test dummies, and other surrogates, unique models of these events have been created. The investigations studied the effectiveness of antimine footwear, forces and injury mechanisms in temporary shelters subjected to blast, modeling of blast-induced glass fragmentation, and helmet deformation and injury potential under ballistic load. Despite blasts being much higher rate events than those seen in automotive blunt trauma, we were able to measure forces and create injury models. We found that antimine footwear will require additional development to be effective. Guidelines for shelter placement have been altered, and tempered glass seems to offer no protection when compared with annealed glass. Although these models are in their nascent phase, the thorough understanding of the biomechanical nature of these blast injuries will assist in developing strategies to reduce injuries and in the creation of forecasting models.
Hayda, R; Harris, RM; Bass, CD
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