Humeral Fracture Fixation Techniques: A FEA comparison of locing and compression techniques with cadaveric pullout comparison of cortical compression and internal locking screws.

Locking and non-locking humeral repair techniques provide different mechanical constructs for securing fractures, and consequently could generate different strain fields at the callus. The purpose of this study was to investigate the strain field callus, and to compare to determine if one construct offers a healing advantage over another. An FEA analysis was conducted using ABAQUS, with all contact surfaces modeled as friction interfaces; additionally, a pretension was applied to the non-locking construct to simulate the effect of installation…

Author:Johnson, Aaron

Source: University of Maryland

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