这螺丝钉松动了。
术后2例因螺丝钉松动，假关节形成，行植骨后愈合。
In 2 cases pseudoarticulation formed due to loosening of the screw. Healing occurred after bone grafting.
未发生切口感染、创伤性滑膜炎、髓内钉松动及骨不愈合，膝踝关节伸屈功能及行走正常。
Complications such as wound infection, traumatic synovitis, nail loose and nonunion did not occur after surgery. Knee-ankle-joint flexion and extension function and walking were normal.
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