Journal article
Biomechanical comparison of a notched head locking T-plate and a straight locking compression plate in a juxta-articular fracture model
Veterinary and Comparative Orthopaedics and Traumatology, Vol.34(03), pp.161-170
2021
Abstract
Objective: This investigation compared the biomechanical properties of a 2.0 mm locking compression notched head T-plate (NHTP) and 2.0 mm straight locking compression plate (LCP), in a simple transverse juxta-articular fracture model.
Study Design: Two different screw configurations were compared for the NHTP and LCP, modelling short (configuration 1) and long working length (configuration 2). Constructs were tested in compression, perpendicular and tension non-destructive four point bending and torsion. Plate surface strain was measured at 12 regions of interest (ROI) using three-dimensional digital image correlation. Stiffness and strain were compared between screw configurations within and between each plate.
Results: The LCP was stiffer than the NHTP in all three planes of bending and torsion (p < 0.05). The NHTP had greater strain than the LCP during compression bending and torsion at all ROI (p < 0.0005). The short working length was stiffer in all three planes of bending and in torsion (p < 0.05) than the longer working length for both plates. The long working length showed greater strain than the short working length at most ROI.
Conclusion: In this experimental model, a 2.0 mm LCP with two screws in the short fragment was significantly stiffer and had lower plate strain than a 2.0 mm NHTP with three screws in the short fragment. Extending the working length significantly reduced construct stiffness and increased plate strain. These findings may guide construct selection.
Details
- Title
- Biomechanical comparison of a notched head locking T-plate and a straight locking compression plate in a juxta-articular fracture model
- Authors/Creators
- G. Bird (Author/Creator)M. Glyde (Author/Creator)G. Hosgood (Author/Creator)A. Hayes (Author/Creator)R. Day (Author/Creator)
- Publication Details
- Veterinary and Comparative Orthopaedics and Traumatology, Vol.34(03), pp.161-170
- Publisher
- Schattauer
- Identifiers
- 991005543875407891
- Copyright
- © 2020. Thieme.
- Murdoch Affiliation
- School of Veterinary Medicine
- Language
- English
- Resource Type
- Journal article
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- Collaboration types
- Domestic collaboration
- Citation topics
- 1 Clinical & Life Sciences
- 1.34 Orthopedics
- 1.34.800 Fracture Management
- Web Of Science research areas
- Veterinary Sciences
- Zoology
- ESI research areas
- Plant & Animal Science