Portable Electronic Cassettes for Digital Radiography
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Solution Overview
Problem
Conventional digital radiography systems using fixed flat panel detectors are limited by their immobility, requiring special techniques, increasing radiation exposure, and causing image enlargement issues, while also being cumbersome and prone to prolonged downtime due to detector replacement challenges.
Innovation Solution
A digital radiography system employing detachable and portable electronic cassettes with bucky trays that allow for interchangeable use, wireless power supply, and ID recognition to prevent errors and enhance automation, enabling flexible radiography techniques and minimizing radiation exposure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If fixed flat panel detectors are used in conventional digital radiography systems, then image quality and detection performance are improved, but mobility and operational flexibility deteriorate
Solution Approach 1:
The system divides the radiography equipment into separable components: portable electronic cassettes containing flat panel detectors can be independently removed from and attached to different bucky trays. This segmentation allows the detectors to maintain high image quality while gaining mobility through detachable mounting mechanisms.
Solution Approach 2:
The system transitions from a static fixed detector configuration to a dynamic portable configuration. Electronic cassettes can be moved between different bucky trays and radiography positions, enabling the system to adapt to various clinical scenarios while maintaining detection performance.
2Measurement precision
If fixed flat panel detectors are used, then detection performance is improved, but radiation exposure increases due to limited positioning options
Solution Approach 1:
Portable electronic cassettes enable dynamic positioning adjustments that allow optimization of the X-ray source-to-detector distance and angle. This dynamic positioning capability maintains detection performance while minimizing radiation exposure by selecting the most efficient geometric configuration for each radiography task.
3Stability of the object's composition
If fixed flat panel detectors are used, then system stability is improved, but operational flexibility and radiography technique versatility deteriorate
Solution Approach 1:
The system separates the detector module into a portable cassette that can be independently positioned and configured. This segmentation maintains system stability through standardized mounting interfaces while enabling versatile radiography techniques including lateral, apical, and angled projections that require detector repositioning.
4Measurement precision
If conventional fixed detectors are used, then detection capability is improved, but maintenance complexity and downtime increase due to detector replacement challenges
Solution Approach 1:
The flat panel detector is segmented into a self-contained portable electronic cassette module with standardized mounting interfaces. This modular design enables rapid removal and replacement of detectors without complex disassembly procedures, significantly reducing maintenance downtime while preserving detection capability.
Solution Approach 2:
The standardized cassette design creates universal compatibility across multiple bucky trays and radiography systems. A single cassette can be used in different positions and configurations, simplifying the replacement process and reducing the need for multiple specialized detector components.
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 system enables versatile radiography techniques, reduces radiation exposure, and maximizes the use of electronic cassettes by allowing real-time interchangeability, reducing operator confusion, and minimizing downtime for detector replacement.
Implementation Method 1
detect an energy intensity distribution difference between the X-rays transmitted by the human body
Implementation Method 2
a two-dimensional sensor is provided as a detection medium responding to X-rays
Implementation Method 3
an intensifying screen (a fluorescent plate) which emits light when it receives X-rays
Data Source
AI summary
Disclosed herein is a digital radiography system which provides detachable and portable flat panel detectors (hereinafter, referred to as ‘electronic cassettes’) and transreceives data recorded in the electronic cassettes in on-line through a network. The digital radiography system includes bucky trays on which a plurality of portable electronic cassettes is detachably mounted, and a workstation connected with the bucky trays through communication to identify the plurality of portable electronic cassettes mounted on the bucky trays and to download pre-processing files of the identified electronic cassettes through the network or a portable storage device or to store files, generated by the plurality of electronic cassettes, in the storage device.