Radiological Imaging Position Control via Magnetic Feedback
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Solution Overview
Problem
Existing radiological imaging technologies face challenges in maintaining the positional alignment between the radiation source and detection section, particularly when the subject moves during imaging, leading to misalignment and instability in the radiation cone position.
Innovation Solution
A radiological imaging apparatus and method that includes a radiation source, detection section, signal detection, comparison, and position control systems to ensure the radiation source and detection section maintain a predetermined positional relationship through signal strength comparison and control, with notification for misalignment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the film/X-ray detecting section is aligned with the radiation cone/X-ray generating section to enable easy movement according to patient movement, then the ease of operation is improved, but misalignment occurs when the subject moves immediately before image capture, worsening the reliability
Solution Approach 1:
The system uses magnetic sensors to continuously detect the position of the radiation source relative to the detection section, providing real-time feedback. The control unit processes this feedback information and activates the position control mechanism to correct any misalignment, ensuring reliable positional relationship maintenance during imaging operations.
Solution Approach 2:
The patent replaces manual mechanical alignment methods with an automated electromagnetic-based positioning system. Magnetic sensors and a control unit substitute for manual adjustment mechanisms, enabling automatic detection and correction of positional deviations between the radiation source and detection section.
2Ease of operation
If the position of the radiation cone/X-ray generating section is controlled to follow small movements of the subject, then the ease of operation is improved, but the position cannot be stabilized, worsening the stability
Solution Approach 1:
The system implements dynamic position control that adapts to subject movement while maintaining stability. The magnetic sensors continuously monitor positional changes, and the control unit adjusts the radiation source position in real-time to follow subject movement within acceptable ranges, while the position control mechanism prevents excessive movement that would compromise imaging stability.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Ensures accurate and stable radiological imaging by maintaining the appropriate positional relationship between the radiation source and detection section, preventing misalignment and ensuring high-quality image capture.
Implementation Method 1
a magnetic field from a magnetic transmitter disposed on a wall, table, or the like of the examination room is received by an X-ray generating section and an X-ray detecting section
Data Source
AI summary
A radiological imaging apparatus that includes a radiation source, a radiation detection section that detects radiation that passes through a subject, a signal detection section that detects signals from a plurality of signal generating sections disposed on the radiation detection section, a signal comparison section that compares the signals detected by the signal detection section, a positional relationship judgment section that makes a judgment as to whether a positional relationship between the radiation detection section and the radiation source is a predetermined positional relationship, a position control section that controls a position of at least one of the radiation source and the radiation detection section to maintain the positional relationship, a position control holding section that holds and fixes the radiation source and the radiation detection section, and a notification section that provides notification in a case where the positional relationship is not the predetermined positional relationship during holding.