In Vitro Biomechanical Comparison of 3.5 String of Pearl Plate Fixation to 3.5 Locking Compression Plate Fixation in a Canine Fracture Gap Model

OBJECTIVE: To compare the 3.5 string of pearls (SOP) plate with a 3.5 mm locking compression plate (LCP) using a fracture model in static loading and cyclic fatigue testing. STUDY DESIGN: In vitro biomechanical testing of paired tibias with a mid‐diaphyseal ostectomy, stabilized by 1 of 2 locking sy...

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Bibliographic Details
Published in:Veterinary surgery 2014-05, Vol.43 (4), p.465-470
Main Authors: Malenfant, Renee‐Claire, Sod, Gary A
Format: Article
Language:English
Subjects:
Animals
Biomechanical Phenomena
Biomechanics
Bone Plates - veterinary
Cadaver
Comparative studies
Dogs
Equipment Failure - veterinary
experimental design
Fracture Fixation, Internal - instrumentation
Fracture Fixation, Internal - methods
Fracture Fixation, Internal - veterinary
Fractures
tibia
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Summary:OBJECTIVE: To compare the 3.5 string of pearls (SOP) plate with a 3.5 mm locking compression plate (LCP) using a fracture model in static loading and cyclic fatigue testing. STUDY DESIGN: In vitro biomechanical testing of paired tibias with a mid‐diaphyseal ostectomy, stabilized by 1 of 2 locking systems. SAMPLE POPULATION: Cadaveric canine tibiae (n = 24 pairs). METHODS: Tibias were randomly divided into 4 equal groups: (1) 4‐point bending single cycle to failure, (2) 4‐point bending cyclic fatigue, (3) torsion single cycle to failure, and (4) torsion cyclic fatigue. Randomly assigned SOP and LCP bridged a 20 mm mid‐diaphyseal ostectomy. Mean test variables values for each method were compared using a paired t‐test within each group with significance set at P 
ISSN:0161-3499
1532-950X
DOI:10.1111/j.1532-950X.2014.12095.x