Dual-Energy X-Ray Imaging Control for Detector Suitability Checks
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Solution Overview
Problem
Conventional bone density measurement using dual-energy X-ray absorptiometry (DXA) methods are often performed on separate apparatuses from general imaging, leading to inefficiencies, increased patient burden, and potential inaccuracies due to improper imaging techniques or use of unsuitable detectors, resulting in unnecessary radiation exposure.
Innovation Solution
An integrated X-ray imaging system capable of dual-energy X-ray absorptiometry and general imaging, featuring a hardware processor to determine suitability of the X-ray detector, apparatus state, and irradiation conditions for DXA, with notification mechanisms to prevent unsuitable imaging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If general imaging and bone density measurement are performed using the same measurement device, then device versatility and space efficiency are improved, but the risk of improper imaging method selection and derivation accuracy decrease
Solution Approach 1:
The system automatically evaluates imaging conditions and image quality after acquisition, providing feedback on derivation accuracy. When accuracy is insufficient, the system identifies and notifies specific improvement points, enabling continuous optimization of bone density measurement quality while using a multi-functional device
Solution Approach 2:
The system performs preliminary evaluation of imaging conditions before bone density measurement derivation. By assessing whether the imaging conditions are appropriate for DXA method in advance, the system prevents inaccurate measurements and guides users to adjust conditions or re-image when necessary
2Adaptability or versatility
If a cassette-type FPD is used for both general imaging and bone density measurement, then device flexibility is improved, but the risk of using unsuitable detectors and FPD increases
Solution Approach 1:
The system automatically evaluates whether the loaded FPD is suitable for bone density measurement by assessing detector type, size, and performance characteristics. It provides feedback notifications when the FPD is unsuitable, preventing unreliable measurements while maintaining the flexibility to use different FPD types for different imaging purposes
3Measurement precision
If re-imaging is performed when derivation accuracy is insufficient, then measurement accuracy is improved, but unnecessary radiation exposure increases
Solution Approach 1:
The system performs preliminary evaluation of imaging conditions and predicts whether the acquired image will yield sufficient derivation accuracy. By identifying unsuitable conditions before measurement attempt, the system prevents unnecessary re-imaging and associated radiation exposure while ensuring accurate measurements when conditions are appropriate
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 efficient bone density measurements by preventing unsuitable imaging conditions, reducing unnecessary radiation exposure, and enhancing imaging accuracy through detector and apparatus suitability checks.
Implementation Method 1
an X-ray irradiation apparatus capable of individually irradiating a plurality of X-rays having different energies
Implementation Method 2
a portable X-ray detector that images an X-ray image based on the X-rays emitted from the X-ray irradiation apparatus
Data Source
AI summary
An X-ray imaging system capable of performing X-ray imaging by a dual-energy X-ray absorptiometry and general imaging is shown. The X-ray imaging system includes the following. An X-ray irradiation apparatus is capable of individually irradiating a plurality of X-rays having different energies. A portable X-ray detector images an X-ray image based on the X-rays emitted from the X-ray irradiation apparatus. An X-ray imaging control apparatus controls imaging of the X-ray image by the X-ray detector. The X-ray imaging control apparatus includes a hardware processor that determines whether or not a type of the X-ray detector is suitable for X-ray imaging by the dual-energy X-ray absorptiometry and a notification section configured to perform notification based on a determination result of the hardware processor.