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Wound Ballistics

Wound Ballistics. Dr Ajee Kuruvilla Assoc Prof Forensic Medicine. A Fired Projectile is accompanied by. Flame Hot gases under pressure Soot Burnt particles Unburnt particles Metallic particles. A Fired Projectile is accompanied by. Flame- singeing Burnt particles- soot, blackening

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Wound Ballistics

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  1. Wound Ballistics Dr Ajee Kuruvilla Assoc Prof Forensic Medicine

  2. A Fired Projectile is accompanied by • Flame • Hot gases under pressure • Soot • Burnt particles • Unburnt particles • Metallic particles

  3. A Fired Projectile is accompanied by • Flame- singeing • Burnt particles- soot, blackening • Unburnt particles- tattooing • Bullet’s initial attempt of perforating skin- Abraded collar • Contusion from bullet entering- contusion collar • Dirt/ grease of bullet- dirt/ grease collar

  4. REVOLVER/ PISTOL • Muzzle Velocity - 150 - 200 m/sec (revolver) 300 - 400 m/sec (pistol) • Range - 100 m • Extension of flame - 2 - 3 inches (5- 7.5 cm) • Extension of smoke - 12 inches (30 cm) • Extension of unburnt powder Particles - 24 inches (60 cm)

  5. RIFLE • Muzzle Velocity - 450 - 1500 m/sec • Range - 1000 - 3000 m • Extension of flame - 6 – 8 inches (15-20cm) • Extension of smoke - 12 -18 inches (30-45 cm) • Extension of unburnt powder Particles - 30-36 inches (75- 90 cm)

  6. SHOT GUN • Muzzle Velocity - 350 - 400 m/sec • Range - 300 - 400 m • Extension of flame - 6 – 8 inches (15-20cm) • Extension of smoke - 12 -18 inches (30-45 cm) • Extension of unburnt powder Particles - 30-36 inches (75- 90 cm)

  7. RIFLED FIRE ARM INJURIES • Contact Shot: on contact • Close Range: within range of flame & soot - few inches from the muzzle • Near range: within the range of smoke & unburnt powder -1-3 feet • Distant shot: > 3 feet

  8. FIRE ARM INJURIES • INJURIES PRODUCED BY RIFLED FIREARMS • INJURIES PRODUCED BY SMOOTH BORED FIREARMS (SHOT GUN)

  9. Rifled weapon-Contact Shot (entry wound)

  10. Rifled weapon-Contact Shot

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