Hinged elbow fixator: an extracorporeal technique to position the hinge based on an original guidewire device.

摘要: Abstract Introduction The application of a hinged elbow external fixator is technically demanding because the hinge axis must coincide exactly with flexion–extension elbow. standard technique involves inserting 3-mm K-wire freehand into distal humerus to materialize axis. We designed guidewire device for extracorporeal positioning without insertion. In cadaver study, we compared insertion and our technique. Methods 12 cadaveric elbows, induced acute instability by sectioning medial collateral ligament complex anterior posterior capsule. A was applied each using both techniques. outcome measures were procedure duration, number image-intensifier shots (as measure radiation exposure), passive motion range after implantation. Results Compared technique, provided greater significantly lower values duration shots. Data dispersion less marked indicating better reproducibility. Conclusion based on enabled non-invasive fixator. This faster, irradiating, more reproducible than