A Review of 3D-Printed Medical Devices for Cancer Radiation Therapy

Area of Science:

• Oncology
• Medical Device Manufacturing
• Additive Manufacturing

Background:

• Radiation therapy requires precise delivery of radiation doses.
• Conventional manufacturing methods for radiation therapy devices can be time-consuming and costly.
• Patient-specific devices are crucial for optimizing treatment plans.

Purpose of the Study:

• To review the role of 3D printing in radiation therapy.
• To highlight the benefits of 3D printing for patient-specific medical devices.
• To explore the synergy of 3D printing with artificial intelligence in radiotherapy.

Main Methods:

• Literature review of 3D printing applications in radiation therapy.
• Comparative analysis of 3D printing versus conventional machining.
• Case studies on 3D-printed GRID collimators.
• Discussion of regulatory considerations and future trends.

Main Results:

• 3D printing allows rapid fabrication of customized devices like boluses, compensators, and immobilization devices.
• Additive manufacturing offers superior design flexibility, reduced lead times, and material efficiency compared to traditional methods.
• 3D-printed GRID collimators demonstrate comparable dosimetric performance to conventional devices.
• Integration with AI promises automated planning and adaptive radiotherapy solutions.

Conclusions:

• 3D printing significantly enhances therapeutic precision, reduces toxicity, and improves patient outcomes in radiation oncology.
• The combination of 3D printing and AI is key for next-generation radiotherapy.
• Further research and clinical validation are needed for widespread adoption.