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Optimizing 3D-printed workpieces for radiotherapy application: modelling the CT number and print time
Sehad Kadiri1, Kaltrine Jakupi2,3, Vladimir Dukovski3
1Faculty of Radiology, AAB College, 10000 Pristina, Kosovo.
Biomedical Physics & Engineering Express
|January 10, 2024
Summary
Optimizing 3D printing parameters like infill and layer height for Polylactic Acid (PLA) workpieces significantly impacts CT numbers and print time. This enhances 3D-printed components for radiotherapy applications.
Area of Science:
- Materials Science
- Medical Physics
- Additive Manufacturing
Background:
- 3D printing offers customized solutions for radiotherapy.
- CT numbers and print time are critical for effective radiotherapy applications.
- Polylactic Acid (PLA) is a common material for 3D printing medical devices.
Purpose of the Study:
- To investigate the impact of infilling, print speed, and layer height on CT numbers and print time of 3D-printed PLA.
- To optimize these printing parameters for radiotherapy applications.
- To develop mathematical models for predicting optimal parameter settings.
Main Methods:
- Taguchi experimental design was employed.
- Regression analysis was used to analyze the data.
- Experiments systematically varied infilling, print speed, and layer height.
Main Results:
- Infilling and layer height were found to significantly influence CT numbers and print time.
- Mathematical models were developed to predict optimal parameter settings.
- The study identified specific parameter adjustments for desired CT numbers and print times.
Conclusions:
- Optimized printing parameters enhance the efficacy of 3D-printed workpieces in radiotherapy.
- This research provides a valuable tool for improving accuracy and efficiency in radiotherapy treatment delivery.
- The findings benefit clinicians, researchers, and patients by advancing 3D printing in healthcare.
