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Updated: Jul 13, 2026

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Application of Design Aspects in Uniaxial Loading Machine Development
Published on: September 19, 2018
"Shimming" a locking plate with washers to correct axial alignment
1Department of Orthopaedics, University of Utah, Salt Lake City, UT 84108, USA. higgins@hsc.utah.edu
Journal of Orthopaedic Trauma
|July 11, 2007
Summary
Fixed-angle plates for bone injuries can cause alignment issues. A surgical technique using washers can correct varus or valgus malalignment during fracture repair.
Area of Science:
- Orthopedic surgery
- Biomechanical engineering
Background:
- Fixed-angle locking plates are widely used for articular and periarticular fractures.
- Challenges exist with limited bone stock or plate misplacement, potentially leading to malalignment.
Observation:
- Varus or valgus malalignment can occur with standard fixed-angle plate fixation.
- Plate elevation using washers can alter the mechanical axis.
Findings:
- A surgical technique employing washers to elevate the plate at the diaphyseal end can correct varus or valgus malalignment.
- This method addresses potential angular deformities arising from plate fixation.
Implications:
- This technique offers a method to prevent or correct angular deformities in fracture fixation.
- It may improve outcomes for patients undergoing surgery for complex bone injuries.
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