Multi-Energy Scout Views for Bone and Soft Tissue Mapping
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing radiological imaging methods struggle to achieve accurate diagnosis and bone density evaluation simultaneously, as mono-energy scout views fail to provide adequate results for both, necessitating additional scans with different parameters, leading to patient movement and mismatched image topologies.
Innovation Solution
A multi-energy scout view is performed to extract partial images that are combined for accurate diagnosis and bone density evaluation, using orthogonal radiation sources and detectors, with current and voltage intensity modulation to optimize radiation dose and image quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a conventional single-energy scout view is used for positioning, then the workflow is simple and fast, but the ability to provide diagnostic information for radiation dose optimization is limited
Solution Approach 1:
The scout view acquisition process is segmented into multiple phases with different energy levels (e.g., low-energy and high-energy phases). Each phase captures specific diagnostic information needed for different purposes, allowing the system to provide comprehensive diagnostic data while maintaining operational simplicity through automated multi-phase sequencing.
Solution Approach 2:
The scout view system is designed to perform multiple functions: positioning, dose estimation, and diagnostic information provision. By integrating multi-energy acquisition capabilities, the same scout view process serves both conventional positioning needs and advanced diagnostic needs, eliminating the need for separate procedures and reducing overall system complexity.
2Measurement precision
If multiple scout views are acquired to provide diagnostic information, then radiation dose optimization is improved, but the examination time increases
Solution Approach 1:
Multiple scout views at different energy levels are merged into a single integrated acquisition process. The system automatically sequences and combines the data from different energy phases, providing comprehensive diagnostic information for dose optimization without requiring separate examination steps, thus avoiding time extension.
Solution Approach 2:
The multi-energy scout views are acquired automatically as part of the standard positioning workflow before the main imaging examination. This preliminary acquisition of diagnostic information enables radiation dose optimization to be performed prior to the main scan, eliminating the need for additional time-consuming separate procedures.
3Reliability
If scout view information is used for radiation dose optimization, then image quality and patient safety are improved, but the complexity of image processing increases
Solution Approach 1:
The system automatically processes and utilizes the scout view information for radiation dose optimization without requiring manual intervention or complex external processing systems. The multi-energy data is automatically analyzed to generate dose maps and optimization parameters, reducing the complexity burden on operators while maintaining high reliability in image quality and patient safety.
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
The method enables simultaneous high-quality diagnosis and bone density evaluation with reduced radiation dose, ensuring exact topological correspondence and improved image contrast.
Implementation Method 1
a. An X-ray tube is switched on and allows a beam of X-rays to be fired at a target
Implementation Method 2
b. The patient is positioned in the scanner and an X-ray beam is directed through the patient's body to a detector
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
This invention relates to a radiological imaging method comprising at least one operating mode in which: frontal and lateral multi-energy scout views are made (1) by performing a preliminary vertical scanning of a standing patient along said vertical scanning direction by frontal and lateral radiation sources (101, 103) and by frontal and lateral radiation detectors (102, 104), so that frontal and lateral radiation detectors (102, 104) give at least: a first frontal scout view corresponding to a low energy frontal scout view, a second frontal scout view corresponding to a high energy frontal scout view, a first lateral scout view corresponding to a low energy lateral scout view, a second lateral scout view corresponding to a high energy lateral scout view, said first frontal and lateral scout views and said second frontal and lateral scout views are combined and processed (20) so as to evaluate: at least a patient bone thickness (22), at least a patient soft tissue thickness (22), a patient specific bone localization at different imaging positions along said vertical scanning direction (21).