This paper has analysed fixed screw of consolidate steel plate failure. Result that screw is fatigued failure. The time of steel Plate taken out are discussed.

• 本文对医用加压钉板固定螺钉断裂进行了失效分析,分析结果表明螺钉为疲劳断裂,并提出了恰当的取出加压钉板的时间。