肱骨髁上骨折系指肱骨远端内外髁上方的骨折,以小儿多见,约占小儿四肢骨折的3%～7%,肘部骨折的30%～40%,其中伸直型占90%左右,多发年龄在5～12岁。由于肱骨髁部的特点,前倾角30°～50°,携带角10°～15°,骨质较薄,骨折后极不稳定,固定较困难,易畸形愈合,当肱骨髁上骨折处理不 Supracondylar humerus fracture refers to the distal humerus medial and lateral condyle fractures to children more common, accounting for pediatric limb fractures of 3% to 7%, elbow fractures of 30% to 40%, of which about 90% of straight type , Multiple age 5 to 12 years old. Due to the characteristics of the humeral condyle, anterior tilt angle of 30 ° ~ 50 °, the carrying angle of 10 ° ~ 15 °, the thin bone, the fracture is extremely unstable, more difficult to fix, easy malunion, fracture treatment when the supracondylar humerus