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Femoral Neck System (FNS)
The Femoral Neck System (FNS) is engineered specifically for femoral neck fractures, with improved stability intended to reduce re-operations related to fixation complications.
Features & Benefits
Designed to provide both angular and rotational stability in a single implant intended to reduce reoperations related to fixation complications.1,2
Designed for reduced procedural complexity utilising a technique and insertion handle requiring only a single, central guide wire.3
Resistance to Varus Collapse
A published biomechanical study shows that FNS is twice as strong as three cannulated screws (3CS) against femoral neck and leg shortening. The same study also revealed comparable results to two types of sliding hip screws.1
Integrated Rotational Stability
Regardless of construct size, FNS offers enhanced rotational stability. Mechanical testing indicates up to 40% increased rotational stability when comparing to a sliding hip screw (SHS).2,*
Designed with a small footprint to reduce lateral prominence, a dynamic Bolt and ARScrew to eliminate lateral protrusion of the implant, and a short incision to reduce soft tissue disruption.3
Femoral Neck System Resources
*The Sliding Hip Screw was tested as DePuy Synthes DHS Blade
1. Stoffel K, Zderic I, Gras F, et al. Biomechanical Evaluation of the Femoral Neck System in Unstable Pauwels III Femoral Neck Fractures: A Comparison with the Dynamic Hip Screw and Cannulated Screws Orthop Trauma. 2017. (31): 131-137.
2. DePuy Synthes Report: Static cut through rotation test in bone foam. 2016. Ref: 0000165855.
3. DePuy Synthes Report: FNS Design and Procedure Comparison. 2018. Ref: 0000274963
For product details such as indications, contraindications, warnings and precautions please consult the IFU and Surgical Technique.
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