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目的观察橡胶弹射入口的形态特征,并探讨其法医学意义。方法使用9mm警用转轮手枪发射橡胶弹,在实验动物胸腹部侧面垂直射击,射击距离分别为紧密接触射击(0cm),相对接触射击(1～6cm),近距离射击(6～60 cm)和远距离射击(60 cm～有效射程25m)。92式手枪采取相同方式射击实验动物作为对照。观察射入口的形态特征,制作组织病理学切片,HE染色显微镜下观察。结果橡胶弹接触射击和近距离射击,射入口边缘整齐,有明显的擦拭轮、挫伤轮和火药斑纹;远距离射击,可见射入口边缘撕裂,挫伤轮明显增宽,皮下出血显著;与手枪弹射入口形态特征明显不同。结论 9mm警用转轮手枪橡胶弹射入口典型的形态特征,可作为此类损伤的诊断指标。
Objective To observe the morphological characteristics of rubber ejection entrance and to explore its forensic significance. Methods A 9mm police revolver pistol was used to launch rubber bullets. The shots were shot vertically on the sides of the chest and abdomen of the experimental animals. The shooting distances were close contact shooting (0 cm), relative shooting (1 ~ 6 cm) and close range shooting (6 ~ 60 cm) And long-range shooting (60 cm ~ effective range 25m). 92 pistol to take the same way to shoot the experimental animals as a control. Morphological characteristics of the entrance were observed, and histopathological sections were made and observed under a HE staining microscope. The results of the rubber bullet contact shooting and close range shooting, the entrance edge neatly, there are obvious wiping round, contusion rounds and gunpowder; long-range shooting, we can see the edge of the entrance tear, significantly enlarged contusion, subcutaneous bleeding significantly; Catapult entrance morphological characteristics were significantly different. Conclusion 9mm police revolver pistol rubber ejection entrance typical morphological characteristics, can be used as a diagnostic indicator of such injuries.