Gross displacement of midclavicular fracture fragments, as well as non-unions, are seen as relative indications for surgical fixation. Plate osteosynthesis is the standard operative treatment, but higher complication rates have been described with this technique. In this study, intramedullary fixation is used which, is a minimally invasive procedure that provide a three-point fixation within the S-shaped clavicle Methods: This study was carried out on ten patients with displaced fractures of the middle third of the clavicle presented to Benha University Hospital and treated by intramedullary fixation . All patients were followed up clinically and radiologically for at least six months. Results were assessed at the end of this period according to Constant and Murley Score Results: The final Constant score was 95.70 ± 13.55. Excellent results in 9 patients [90%]., and poor in one patient [10%]. There was statistically significant relationship between the final score and the patients' age and associated medical conditions. Complications encountered were medial skin irritation in two patients [20%]., dorsolateral migration in two patients [20%]. and hypertrophic non-union in one patient [10%]. Conclusion: EIN is a safe, minimally invasive surgical technique with a lower complication rate, faster return to daily activities, excellent cosmetic and comparable functional results, and can be used as an equally effective alternative to plate fixation in displaced non comminuted midshaft clavicle fractures