不同种类高速投射物颌面损伤特点的实验研究

An Experimental Study of Injury Characteristics in Maxillofacial Region Following Different Kinds of High Velocity Projectiles Wound

选用７．６２ｍｍ，５．５６ｍｍ弹丸，射速为１３００～１４００ｍ／ｓ的１．０３ｇ钢球和１．０ｇ炮弹破片分别致伤肥皂靶、离体猪头和活体犬下颌骨区，观察４种高速投射物致伤时的瞬时空腔形态和颌面伤情，切取犬面部伤道周围肌组织行光镜、透射电镜观察，发现不同种类高速投射物致伤时形成不同的瞬时空腔，颌面部致伤时有着不同的损伤特点。文中对颌面部的创伤弹道学特点和不同种类高速投射物颌面部致伤时损伤特点的差异进行了讨论。

Model 7.62mm, model 5.56mm bullets and 1.03g steel sphere, 1.0g fragment with impacting velocities 1300￣1400m/s were used to shot soap target, mandibular area of pigs in vitro and dogs in vivo. The shape and size of cavitations and wounds were observed and the specimens of wounded muscles were collected for light and electron microscopic observation. The authors found that different kinds of cavitations formed in different kinds of projectiles wound, which produced different injuried characteristics in maxillofacial firearms wound. The characteristics of maxillofacial wound ballistics and difference of maxillofacial wounds in different kinds of high velocity projectiles wound were also discussed in the article.