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Effect of body armor on simulated landmine blasts to cadaveric legs
Klaus S Wolff1, Alexander M Prusa, Andreas Wibmer
1Department of Surgery, Austrian Armed Forces Hospital-Vienna, Austria. klausswolff@hotmail.com
Background:
Antipersonnel landmine protective footwear relies on blast deflection or on exaggerated standoff between the foot and the explosive. Neither design has been tested for clinical effectiveness.
Methods:
4 cadaveric lower extremities--3 fitted with a Koflach boot incorporating TABRE (Technology for Attenuating Blast Related Energy) were subjected to controlled blast with charges of up to 100 g trinitrotoluene (TNT). The blasts were recorded by a digital recording system. All legs were X-rayed and underwent computed tomography scanning before and after testing.
Results:
TABRE-protected limbs directly subjected to the blast hyperextended at the knee during firing. Injuries showed a pattern of open tibial fractures (Gustilo grade I, II), of multiple calcaneal (Sanders Type III, IV), and fibular fractures and of the tibial plateau, but showed no traumatic amputation.
Conclusions:
Development of protective footwear against landmine blast is feasible. From medium mines up to charges of 100 g TNT limb salvage may be possible.
