Real-time computer verification for radiation therapy treatment machines

Area of Science:

• Medical Physics
• Radiation Oncology
• Engineering

Background:

• Accurate alignment of linear accelerators is critical for effective radiation therapy.
• Ensuring proper operation of medical devices minimizes treatment errors and enhances patient safety.

Purpose of the Study:

• To describe a computer-based verification system for a 4-MV linear accelerator.
• To detail the system's capability to check fourteen alignment parameters.
• To introduce a training simulator for system familiarization.

Main Methods:

• Development of a computer-based system to monitor linear accelerator operation.
• Implementation of checks for fourteen critical alignment parameters.
• Creation of a training simulator to replicate system usage.

Main Results:

• The system effectively monitors the operational status of a 4-MV linear accelerator.
• Fourteen key parameters can be verified for precise alignment before irradiation.
• The training simulator provided valuable experience without disrupting patient treatment schedules.

Conclusions:

• The developed computer system enhances the safety and accuracy of radiation therapy delivery.
• The integrated training simulator effectively prepared technicians for system operation.
• This verification system represents a significant advancement in quality assurance for linear accelerators.