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Ultrasonic Sensor-based Water Leveling for Three-dimensional Water Phantom: Prototype Development.

Taehyung Kim^1,2, Jeongun Kim³, Engchan Kim²

¹Department of Radiation Oncology, Samsung Medical Center, Seoul, 06351, South Korea.

Journal of Medical Physics

|November 11, 2024

Summary

This summary is machine-generated.

A new prototype using ultrasound sensors and Arduino technology precisely controls 3D water phantom levels for radiation therapy. This automated system enhances accuracy and consistency in linear accelerator setup and quality assurance.

Keywords:

Three-dimensional water phantom quality assurance ultrasonic sensors water leveling

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Wideband Optical Detector of Ultrasound for Medical Imaging Applications

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Area of Science:

Medical Physics
Engineering

Background:

Accurate 3D water phantom setup is crucial for radiation therapy beam measurements.
Traditional methods are susceptible to human error, impacting precision.

Purpose of the Study:

To develop and evaluate an Arduino-based prototype using ultrasound sensors for automated 3D water phantom level control.
To assess the prototype's performance in radiation beam measurement setup.

Main Methods:

A prototype integrated an Arduino Nano board with US015 and SR04 ultrasound sensors.
Sensor accuracy was tested at 2 cm intervals from 5 cm to 21 cm.
Statistical analysis evaluated performance and measurement errors.

Main Results:

Both ultrasound sensors achieved measurement accuracy within 2 mm.
No significant difference was observed in photon and electron beam profiles between traditional and prototype-based setups.
The prototype demonstrated equivalent setup capability.

Conclusions:

The ultrasound sensor prototype offers consistent 3D water phantom setup, reducing human error.
This technology facilitates precise phantom setup for linear accelerator commissioning and quality assurance (QA).
It enhances accuracy in radiotherapy clinical settings.