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DEPUY SYNTHES NAILS ARE DESIGNED WITH A 1.0M ROC TO BETTER FIT PATIENT ANATOMY This optimized fit was determined by three anatomical studies which: 1. Characterized the native femoral anatomy 2. Validated the resulting fit of the nails in the distal femur COMPLICATIONS FROM NON- FEMORAL ANATOMY ANATOMIC FEMORAL NAIL FIT CHARACTERIZATION NAIL FIT VALIDATION: TFNA SYSTEM AND FEMORAL RECON NAIL Despite decreases in nail radius of curvature (ROC) over the last decades, recent studies still report the existence of misfit between the curve of the natural femoral anatomy of some patients and the curve...

1. Schmutz B, Kmiec S Jr, Wullschleger M, Altmann M, Schuetz M. 3D Computer graphical study of the femur: a basis for a new nail design. Archives of Orthopedic Trauma Surgery. 2017 Mar;137(3):321-331. 2. Roberts JW, Libet A, Wolinsky PR. Who is in danger? Impingement and penetration of the anterior cortex of the distal femur during intramedullary nailing of proximal femur fractures: preoperatively measurable risk factors. J Trauma Acute Care Surg. 2012;73(1):249-254. 3. Egol KA, Chang EY, Cvitkovic J, Kummer FJ, Koval KJ. Mismatch of current intramedullary nails with the anterior bow of the femur....