Exposure Dose Management System for Cumulative Radiation Tracking
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Solution Overview
Problem
Conventional exposure dose management systems are inadequate for tracking cumulative radiation exposure across multiple X-ray irradiation sessions, failing to effectively manage skin exposure doses and internal organ doses, which are critical for minimizing radiation damage risks.
Innovation Solution
An exposure dose management system that utilizes a network-connected configuration with image storage, misalignment correction, and exposure dose recording devices to integrate and display exposure data on human body three-dimensional images, allowing for accurate tracking of cumulative exposure doses across multiple irradiation sessions, including skin and internal organ exposure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If conventional exposure dose management systems are used, then single examination dose can be managed, but cumulative exposure dose across multiple examinations cannot be managed
Solution Approach 1:
The system segments exposure dose management into two distinct components: a database for storing cumulative exposure dose information across multiple examinations, and a display device for visualizing this data. This segmentation allows the system to track cumulative doses without requiring complete system redesign, thereby managing information loss while controlling overall complexity.
Solution Approach 2:
The exposure dose management system is designed to handle multiple types of examinations (CT, angiography, radiotherapy) and multiple dose parameters (CTDIw, DLP, skin exposure dose) through a unified database structure. This multi-functionality enables cumulative dose tracking across different examination types without requiring separate management systems for each, reducing information loss while maintaining manageable complexity.
2Measurement precision
If skin exposure dose is measured using CTDIw and DLP, then standardized measurement is achieved, but total skin exposure dose cannot be fully managed
Solution Approach 1:
The system merges multiple dose measurement parameters (CTDIw, DLP, and direct skin exposure dose measurements) into a unified database structure that accumulates total skin exposure dose. By combining these different measurement approaches, the system achieves both standardized measurement precision and complete total dose tracking, eliminating the information gap between standardized metrics and actual skin exposure.
3Adaptability or versatility
If multiple types of examinations are conducted, then comprehensive diagnosis is achieved, but cumulative exposure dose management becomes more difficult
Solution Approach 1:
The database is designed with a universal structure that can accommodate multiple examination types (CT, angiography, radiotherapy) and various dose parameters through standardized field definitions. This universality allows comprehensive diagnostic capabilities while maintaining manageable system complexity through consistent data handling procedures across all examination types.
Solution Approach 2:
The system manages different examination types by adjusting parameter settings within a unified framework - changing dose parameters, examination protocols, and measurement methods according to the specific examination type while maintaining the same underlying database structure. This parameter-based adaptability enables versatile examination support without proportionally increasing system complexity.
Data Source
AI summary
An exposure dose management system according to an embodiment includes an image storage device, a first recording device, a misalignment correction device, and a second recording device. The image storage device stores a human body three-dimensional image. The first recording device records an exposure dose and an exposure area of a subject in a first irradiation step on the human body three-dimensional image. The misalignment correction device corrects misalignment between a position of the subject in a second irradiation step, which follows the first irradiation step, and a position of the human body three-dimensional image. The second recording device further records an exposure dose and an exposure area in the second irradiation step on the human body three-dimensional image in which the misalignment was corrected.