在日常的法医检案中，明显的火器损伤、锐器伤、钝器伤能较容易地辨别。但某些钝器损伤如不认真检验鉴别和结合现场勘查，则有可能会造成判断失误。笔者曾遇见一例圆球形物体损伤造成似三菱刮（刺）刀类器械刺伤性创口的案例，现报道如下，供同行在工作中参考。死者钟德兰，男? In routine forensic medical examination, obvious firearm injuries, sharp injuries, blunt trauma can be more easily identified. However, certain blunt trauma damage may result in misjudgments if they are not conscientiously tested and combined with the site survey. The author has met a case of spherical object damage caused by Mitsubishi scratch (stab) knife stab wounds cases, are reported below, for colleagues in the work of reference. The deceased Zhong Delan, male?