一、临床资料患者男性,37岁,空中客车A320飞机驾驶员,飞行时间4980h。1993年骑自行车摔伤,左股四头肌断裂,行手术清创缝合。1996年8月骑摩托车摔伤,入院诊断:左胫骨平台粉碎骨折。入院后急诊行手术清创、复位、钢针固定,术后3个月开始功能锻炼,术后2年7个月申请医学鉴定,检查发 First, the clinical data of patients male, 37 years old, Airbus A320 aircraft pilot, flight time 4980h. Bicycle riding in 1993, left quadriceps fracture, surgical debridement and suture. August 1996 riding a motorcycle falls, admission diagnosis: smash fracture of the left tibial plateau. After admission, the patients underwent emergency debridement, reduction and fixation of the needles. After 3 months of operation, they began functional exercise. After 2 years and 7 months of application, they applied for medical identification and examination