梁某，男，７天龄。出生后哭闹不止，被认为是其他不适，６天后发现左上肢不能活动，左肘部肿胀，次日来我科就诊。检查见全身情况尚可，左肘关节处于半伸半屈位，肿胀，畸形，活动受限，扪及尺骨鹰嘴向内并压痛。Ｘ线片示左肘关节向后内完全脱位，治疗采用拔伸屈肘复位法。助 Liangmou, male, 7 days old. Crying after birth, is considered to be other discomfort, six days later found that the left upper limb can not move, left elbow swollen, the next day our clinic. Check to see the general condition is acceptable, the left elbow in the semi-flexion, swelling, deformity, limited mobility, palpable olecranon inward and tenderness. X-ray showed the left elbow completely dislocated backward, the treatment of elbow flexion and extension reduction. help