目的报道应用膝降动脉穿支皮瓣修复肢体创面的临床效果。方法根据膝降动脉的走行、分支与吻合的解剖学特点,在膝关节内侧上部设计膝降动脉穿支皮瓣,带血管蒂移位修复小腿上1/3前内侧、膝关节前内侧皮肤软组织缺损5例;游离膝降动脉穿支皮瓣修复手部创面4例。结果临床应用共9例,皮瓣均成活,创面一期愈合。经1~24个月随访,皮瓣质地优良、色泽接近正常,外形美观,肢体功能恢复良好。结论膝降动脉穿支皮瓣解剖位置恒定、血液供应良好、手术方法简单,是修复肢体创面的可选方法之一。 Objective To report the clinical effect of repairing limb wounds by applying the knee-descending artery perforating flaps. Methods According to the anatomic features of knee artery descending artery, branch and anastomosis, a knee perforator perforating flap was designed on the medial side of the knee joint. The vessel pedicle was displaced to repair the medial anterior medial 1/3 of the leg and the anterior medial knee soft tissue 5 cases of defect; free knee artery perforating flap to repair the hand wound in 4 cases. Results The clinical application of a total of 9 cases, flaps are alive, wound healing. After 1 to 24 months of follow-up, the flap is of good quality with close to normal color, beautiful appearance and good body function recovery. Conclusion The anatomical location of knee percutaneous branch perforator flap is constant, the blood supply is good, and the operation method is simple. It is one of the alternative methods to repair limb wounds.