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A novel treatment for the fixation of displaced femoral neck fractures in young patients: A case report

Kucharik MP, Bostrom N, Cerynik DL, Shah AR

Trauma case reports, 2026

Abstract

Displaced femoral neck fractures in physiologically young patients remain a significant treatment challenge due to high complication rates associated with internal fixation, including osteonecrosis, non-union, and hardware failure. This case report describes the successful use of a novel implant, the SimpliFix Hip System, in the surgical management of a 30-year-old female marathon runner who sustained a displaced transcervical femoral neck fracture. Following closed reduction on a fracture table, three partially threaded cannulated screws were inserted and cross-locked with headless cross screws using the SimpliFix system, which permits controlled compression and rotational stability while minimizing implant footprint. The construct was configured to impart rigidity at the calcar and controlled valgus compression to promote union. Postoperatively, the patient was maintained toe-touch weightbearing for 10 weeks. Radiographs at routine follow-up demonstrated anatomic healing without evidence of implant failure or loss of reduction. At one year, the patient had resumed pre-injury activity levels, running 50 miles per week without pain or limitation. This case demonstrates the potential advantages of the SimpliFix system in young, active patients, particularly its capacity to resist femoral neck shortening, maintain reduction, and enhance biomechanical stability while preserving minimally invasive technique. The positive clinical and radiographic outcome highlights the promise…

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