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Updated: Jul 11, 2026
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3D Printing Model of a Patient's Specific Lumbar Vertebra
Published on: April 14, 2023
A 3D visualization tool for the design and customization of spinal braces
D Fortin1, F Cheriet, M Beauséjour
1Research Center of Sainte-Justine University Hospital Center, 3175 Côte-Sainte-Catherine, Montréal, Québec, Canada H3T 1C5. impala07@hotmail.com
Summary
A new tool enables personalized spinal brace design using 3D imaging. This allows precise adjustment of corrective pads based on patient anatomy for improved treatment outcomes.
Area of Science:
- Orthopedics
- Biomedical Engineering
- Medical Imaging
Background:
- Spinal deformities require custom-fitted braces for effective treatment.
- Current methods for brace design and adjustment can be imprecise.
- Personalized fitting is crucial for patient comfort and treatment efficacy.
Purpose of the Study:
- To develop and validate a novel tool for personalized spinal brace design and adjustment.
- To enable precise selection of corrective pad placement based on patient-specific anatomy.
- To facilitate objective evaluation of brace-trunk interface pressure.
Main Methods:
- Development of a tool integrating 3D external trunk surface visualization with underlying 3D bone structures.
- Validation using an X-ray dummy.
- Utilizing 3D visualization to identify pressure areas for corrective pad positioning.
- Post-fabrication evaluation of 3D patient-brace interface pressure distribution.
Main Results:
- The tool allows personalized selection of pressure areas for corrective pad placement.
- 3D visualization of trunk and bone structures aids in accurate brace design.
- The system enables evaluation and customization of brace-trunk interface pressure.
- Validated effectiveness on an X-ray dummy for design and adjustment.
Conclusions:
- The developed tool facilitates personalized spinal brace design and adjustment.
- 3D visualization and pressure mapping enhance treatment plan adherence.
- This technology offers a more precise approach to managing spinal deformities with bracing.
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