Steel needle internal fixation

The steel needle is thinner than the screw, with less damage and less occupying space. When fixing small fractures and the need to pass through the epiphysis, it is better to use a steel needle. The needle tail can be exposed outside or buried under the skin. The disadvantage is that the needle body is smooth, there is no thread, and the fixing force is less than that of the screw. Therefore, it is only used for children and the following situations [Figure 1]. 1. Fractures of the diaphragm, ankle and styloid process are small. 2. Unstable metaphyseal fracture, epiphyseal fracture, or epiphyseal separation, external fixation cannot maintain reduction. 3. Multiple short tubular bones (such as fingers, palms, toes, sacrum, etc.) transverse fractures, short oblique folds or open fractures within 8 to 12 hours, and it is difficult to reduce external fixation manually.

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