1　案例资料1 1　简要案情梁某 ,男 ,4 0岁。 1996年 8月 30日晚车站候车时与人发生纠纷 ,在殴打中被他人用自制木工手锯砍伤致死。1 2　尸检摘要尸长 16 6ｃｍ ,发育正常 ,营养中等。额顶部有5ｃｍ× 0 4ｃｍ竖条状挫裂创 ,深达头皮下 ,创缘不整齐 ,创周伴 0 1ｃｍ× 0 3ｃ 1 case information 1 1 brief case Liang, male, 40 years old. On the night of August 30, 1996, there was a dispute with the people in the waiting area at the evening station and was beaten to death by a homemade carpentry hand saw during the beating. 1 2 autopsy Abstract corpse 16 6cm, normal development, moderate nutrition. The top of the amount of 5cm × 0 4cm vertical bar-shaped contusion Chong, deep under the scalp, wound margin, creating a week with 0 1cm × 0 3c