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Body armors: interests and limits. Médecin Principal Nicolas PRAT, MD, PhD. Euroballistics European Society for Wound Ballistics Institut de Recherche Biomédicale des Armées, France Université Claude Bernard Lyon1, France. Bullet proof Jacket. Materials Composition Stopping mechanism - PowerPoint PPT Presentation
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Body armors:Body armors:interests and limitsinterests and limits
Médecin Principal Nicolas PRAT, MD, PhD
EuroballisticsEuropean Society for Wound BallisticsInstitut de Recherche Biomédicale des Armées, FranceUniversité Claude Bernard Lyon1, France
MaterialsMaterials
CompositionComposition
Stopping mechanismStopping mechanism
PerformancePerformance
InjuriesInjuries
- Penetrating- Penetrating
- BABT- BABT
Bullet proof Jacket
Bullet proof Jacket
1920’s1920’s
Infanterie-Panzer
Brewster Body Armor
Washington, D.C., 1923
FibersFibers
materialsmaterialsBullet proof Jacket
CeramicCeramic
compositioncompositionBullet proof Jacket
Soft ballistic packHard ballistic pack (+/-)Anti-trauma
Bullet proof Jacket
Soft pack
Shear stress Tensile stress
Min. Intérieur/CTSI
stopping mechanismstopping mechanism
stopping mechanismstopping mechanismBullet proof Jacket
Soft pack
Min. Intérieur/CTSI
Bullet proof Jacket
Hard plate (ceramic)
stopping mechanismstopping mechanism
Stopping power ≠ protective powerprotection / mobilityNo stabbing protection
performancesperformancesBullet proof Jacket
INJURIES
The projectile avoids the jacket- Classic penetrating injuries- Anatomical particularities - Modification of the injuries body
distribution
The projectile goes trough the jacket- Loose of protective qualities- Inadequate protection level- Worsen injuries ?
Penetrating injuriesPenetrating injuries
Injuries
Behind Armor Blunt trauma
Blunt injuriesBlunt injuries
Thoracic wallCardiovascularPulmonary
Wounding effectWounding effectBehind Armor Blunt Trauma
HDPECeramic
HDPECeramic
Thoracic wallCardiovascularPulmonary
Wounding effectWounding effectBehind Armor Blunt Trauma
HDPECeramic
Thoracic wallCardiovascularPulmonary
Wounding effectWounding effectBehind Armor Blunt Trauma
CONCLUSIONSCONCLUSIONS
• Penetrating injuries:Penetrating injuries:– Unquestionable need for bullet proof jacket
– Fitting to the threat
• BABT:BABT:– Potentially lethal in animal research– Quid in human? (need for more data)– Need for medical attention in wounded– Research is ongoing to improve the protective power
(anatomical lesions and incapacitation effect)
• Body armor effectsBody armor effects– Wounds redistribution to the unprotected areas– Interest/Limits = Mobility/Protection– Need for a real observational study