Effect of Fracture Gap on Biomechanical Stability of Compression Bone-Plate Fixation System after Bone Fracture Augmentation
Journal of the Korean Fracture Society
;
: 220-226, 2010.
Article
in Korean
| WPRIM
| ID: wpr-39865
ABSTRACT
PURPOSE:
The goal of this study using the biomechanical test was to evaluate the mechanical stability of the bone-plate fixation system according to changes of the fracture gap sizes and widths. MATERIALS ANDMETHODS:
For mechanical test, four types with different fracture models simulating the clinical situations were constructed depending on the gap size (FGS, mm) and the gap width (FGW, %) at the fracture site 0 mm/0%, 1 mm/100%, 4 mm/100%, 4 mm/50%. For analyzing the effects of fracture gap on the biomechanical stability of the bone-plate fixation system, 4-point bending test was performed under all same conditions.RESULTS:
It was found that the fracture gap sizes of 1 and 4 mm decreased mechanical stiffness by about 50~60% or more. Furthermore, even without fracture gap size, 50% or more fracture gap width considerably decreased mechanical stiffness and suggested the possibility of plate damage through strain results.CONCLUSION:
Our findings suggested that at least 50% contact of the fracture faces in a fracture surgery would be maintained to increase the mechanical stability of the bone-plate fixation system.
Full text:
Available
Index:
WPRIM (Western Pacific)
Main subject:
Sprains and Strains
/
Fractures, Bone
Language:
Korean
Journal:
Journal of the Korean Fracture Society
Year:
2010
Type:
Article
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