Clinical Study
A Comparison of the Device-Related Complications of Intramedullary Lengthening Nails Using a New Classification System
Table 2
Device-related complications for internal lengthening devices.
| Device-related complications | Description |
| (I) Distraction control-related | Problem like this can primarily prevent the lengthening target from being met or causes regenerate problems | Runaway, difficult to distract nail, running back, nondistracting nail | (a) Problem/(b) obstacle/(c) sequela | (II) Stability related | Problem like this will primarily cause secondary deformity, instability of the bone or limited weight bearing | Nail bending/breakage, rotational instability | (a) Problem/(b) obstacle/(c) sequela | (III) Other device-related | Device problems that in principle do not affect the primary functions of the device | Corrosion, adverse reaction of tissue | (a) Problem/(b) obstacle/(c) sequela |
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