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. 2015 Sep;29(9):e305-8.
doi: 10.1097/BOT.0000000000000309.

Biomechanical Assessment of Locked Plating for the Fixation of Patella Fractures

Simone Wurm  1 , Peter Augat, Volker Bühren
Affiliations

Biomechanical Assessment of Locked Plating for the Fixation of Patella Fractures

Simone Wurm et al. J Orthop Trauma. 2015 Sep.

Abstract

Objective: To analyze the mechanical stability of locked plating in comparison with tension-band wiring for the fixation of fractures of the patella.

Methods: Biomechanical tests were performed on artificial foam patella specimens comparing an angular stable plate and monocortical screws with tension-band wiring. Tests were performed under combined tension and bending until failure simulating physiological loading of the tibia during walking.

Results: Tension-band wiring failed at 66% of the failure load of plating (1052 N, P = 0.002) and had 5 times larger fracture gap displacements (P = 0.002).

Conclusions: Based on the biomechanical advantages, locked plating of the patella may constitute a reasonable alternative in the treatment of patella fractures.

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