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A tilt and roll device for automated correction of rotational setup errors
D C Hornick1, D W Litzenberg, K L Lam
1Department of Radiation Oncology, University of Michigan, Ann Arbor 48109-0010, USA.
Medical Physics
|October 17, 1998
Summary
A new tilt and roll device enhances treatment tables with computer-controlled motion. This innovation precisely adjusts patient positioning for improved therapeutic applications.
Area of Science:
- Medical Engineering
- Rehabilitation Technology
Background:
- Existing treatment tables often lack precise multi-axis adjustability.
- Enhanced patient positioning is crucial for effective therapeutic interventions.
Purpose of the Study:
- To develop and evaluate a novel tilt and roll device for existing treatment tables.
- To introduce two additional computer-controlled degrees of freedom for patient positioning.
Main Methods:
- Integration of a universal joint for central support.
- Utilization of two linear electric actuators with high-accuracy stepping motors for tilt and roll control.
- Computer-controlled system for precise rotational motion about patient axes.
Main Results:
- The device successfully added two degrees of freedom to the treatment table.
- Computer-controlled actuators provided precise tilt and roll capabilities.
- The system met or exceeded all pre-design specifications for precision, weight capacity, rigidity, and range of motion.
Conclusions:
- The developed tilt and roll device significantly enhances the functionality of existing treatment tables.
- This innovation offers precise, computer-controlled patient positioning for advanced therapeutic applications.
- The system's performance validates its potential for clinical use.