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Published on: October 1, 2019
Evaluation of a contemporary CAD/CAM system
1National Centre for Training and Education in Prosthetics and Orthotics, University of Strathclyde, Glasgow, UK. tony.mcgarry@strath.ac.uk
Prosthetics and Orthotics International
|February 10, 2006
Summary
This study evaluated the TracerCAD system
Area of Science:
- Biomedical Engineering
- Medical Imaging
- Metrology
Background:
- Accurate volumetric measurements are crucial in various scientific and medical applications.
- The TracerCAD system offers a potential solution for precise 3D measurements.
- Validation of new measurement systems is essential before clinical implementation.
Purpose of the Study:
- To assess the accuracy of the TracerCAD system for measuring known dimensions and volumes.
- To determine the system's performance with a standardized model.
- To evaluate the impact of model orientation on measurement accuracy.
Main Methods:
- A cylindrical nylon 6.6 model with defined dimensions and landmarks was utilized.
- Measurements were performed using a high-accuracy comparator (0.01 mm accuracy).
- The TracerCAD system was used to trace the model in two orientations (Tests 1 and 2).
Main Results:
- The average volume difference between comparator measurements and TracerCAD scans ranged from 0.20% to -1.96%.
- Individual volume variations in TracerCAD scans were between -0.0085% and -4.50%.
- Maximum volume percentage differences exceeded 3% in all tested volumes.
Conclusions:
- The TracerCAD system demonstrated variability in volumetric measurements.
- Model orientation did not significantly affect the system's accuracy.
- Further investigation is needed to refine the TracerCAD system for clinical applications.
