患者 ,男 ,12岁。因摔伤头部着地 ,昏迷 ,鼻、口腔内出血。在当地医院ＣＴ检查诊为蛛网膜下腔出血 ,广泛颅内积气 ,颅骨骨折 ,伴呼吸困难 ,于次日行气管切开术。术后套管周围出血 ,手术探查诊为锁骨下动脉的甲状腺分支出血 ,缝扎止血。术后3～ 5ｄ每日早晨气管套管周围少量渗血 Patient, male, 12 years old. Due to the fall of the head touching the ground, coma, nose, mouth bleeding. In the local hospital CT examination for subarachnoid hemorrhage, extensive intracranial gas, skull fracture, with respiratory difficulties, tracheotomy on the next day. Surgical cannula around the hemorrhage, surgical exploration of the thyroid branch of the subclavian artery bleeding, suture to stop bleeding. 3 ~ 5d after surgery every morning a small amount of bleeding around the tracheal tube