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LNA 105
Term 1
3 credits

On-Board Imaging (CBCT) & Patient Positioning Systems

This course provides an in-depth understanding of on-board imaging (OBI) systems, specifically Cone Beam Computed Tomography (CBCT), and advanced patient positioning technologies used in medical linear accelerators. Students will learn the operational principles, service procedures, and quality assurance protocols for kV imaging arms, CBCT image reconstruction, and sophisticated robotic patient positioning couches. Emphasis is placed on calibration techniques, troubleshooting common faults, and performing preventive maintenance to ensure patient safety and treatment accuracy. The course covers the integration of imaging and positioning systems, preparing technicians to maintain critical components essential for precise radiation therapy delivery.

Course outline

Lectures, virtual labs, and graded assignments — completed in your browser.

01Introduction to on-board imaging and kV imaging arm componentslecture
02kV X-ray source and detector technology, safety considerationslecture
03kV imaging arm mechanics and motion control systemslab
04Principles of Cone Beam Computed Tomography (CBCT) acquisitionlecture
05CBCT image reconstruction algorithms and software interfaceslecture
06Introduction to advanced patient positioning systems and robotic coucheslecture
07Mechanical and electrical components of robotic patient positionerslab
08Motion control and safety interlocks for patient positioning systemslecture
09Image-guidance system integration and workflowassignment
10Calibration procedures for kV imaging and patient positioning systemslab
11Troubleshooting common faults in OBI and positioning systemsassignment
12Quality assurance protocols for CBCT and patient positioninglab
13Midterm review of OBI and positioning system fundamentalslecture
14Final exam review and comprehensive system integrationlecture

Syllabus

# Course: LNA 105 - On-Board Imaging (CBCT) & Patient Positioning Systems

## Course Description
This course provides an in-depth understanding of on-board imaging (OBI) systems, specifically Cone Beam Computed Tomography (CBCT), and advanced patient positioning technologies used in medical linear accelerators. Students will learn the operational principles, service procedures, and quality assurance protocols for kV imaging arms, CBCT image reconstruction, and sophisticated robotic patient positioning couches. Emphasis is placed on calibration techniques, troubleshooting common faults, and performing preventive maintenance to ensure patient safety and treatment accuracy. The course covers the integration of imaging and positioning systems, preparing technicians to maintain critical components essential for precise radiation therapy delivery.

## Learning Outcomes
Upon successful completion of this course, students will be able to:
* Explain the operational principles and components of kV imaging arms and CBCT systems.
* Describe the process of CBCT image acquisition, reconstruction, and its role in image-guided radiation therapy.
* Perform routine service and preventive maintenance on kV imaging arms, including X-ray source and detector assemblies.
* Diagnose and troubleshoot common faults in CBCT imaging and patient positioning systems.
* Execute calibration procedures for robotic patient couches and image-guidance systems to ensure positional accuracy.
* Apply quality assurance protocols for on-board imaging and patient positioning to maintain system performance and patient safety.

## Topics by Week
* **Week 1:** Introduction to on-board imaging and kV imaging arm components.
* **Week 2:** kV X-ray source and detector technology, safety considerations.
* **Week 3:** kV imaging arm mechanics and motion control systems.
* **Week 4:** Principles of Cone Beam Computed Tomography (CBCT) acquisition.
* **Week 5:** CBCT image reconstruction algorithms and software interfaces.
* **Week 6:** Introduction to advanced patient positioning systems and robotic couches.
* **Week 7:** Mechanical and electrical components of robotic patient positioners.
* **Week 8:** Motion control and safety interlocks for patient positioning systems.
* **Week 9:** Image-guidance system integration and workflow.
* **Week 10:** Calibration procedures for kV imaging and patient positioning systems.
* **Week 11:** Troubleshooting common faults in OBI and positioning systems.
* **Week 12:** Quality assurance protocols for CBCT and patient positioning.
* **Week 13:** Midterm review of OBI and positioning system fundamentals.
* **Week 14:** Final exam review and comprehensive system integration.

## Grading
*   Knowledge Checks: 15%
*   Assignments and Labs: 30%
*   Quizzes: 25%
*   Final Exam: 30%

## Policies
All students are expected to adhere to the Anode Technical Institute's academic integrity policies. Attendance in all scheduled virtual and lab sessions is mandatory. Late submissions for assignments may incur penalties as outlined in the course syllabus addendum. Safety protocols must be strictly followed during all lab exercises involving simulated equipment. Students are encouraged to engage actively in discussions and seek assistance from instructors when needed.