Mobile DR Handrail UV Cleaning for Self-Sterilization
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Solution Overview
Problem
Existing digital radiography (DR) devices face hygiene issues due to contamination from bacteria and viruses, particularly on parts that come into contact with the human body, necessitating improved self-purification capabilities.
Innovation Solution
A multifunctional mobile DR device equipped with a cleaning mechanism featuring a guide assembly, moving collar assembly, and ultraviolet sterilization assembly, along with washing and drying mechanisms, to sterilize and clean the handrail and surrounding areas, and additional ultraviolet sterilization devices for environmental disinfection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the handrail is made movable for convenience in use, then the ease of operation is improved, but the risk of contamination from bacteria and viruses increases
Solution Approach 1:
The cleaning mechanism enables the handrail to automatically clean itself through reciprocating motion that brings the cleaning components into contact with the handrail surface, eliminating the need for manual disassembly or external cleaning interventions while maintaining continuous hygiene protection
Solution Approach 2:
The cleaning mechanism performs preliminary cleaning actions before contamination can spread or become entrenched, continuously treating the handrail surface to prevent bacterial and viral accumulation rather than relying on periodic manual cleaning
2Reliability
If a cleaning mechanism is added to sterilize the handrail, then the self-purification capacity is improved, but the device complexity increases
Solution Approach 1:
The cleaning mechanism integrates multiple functions including cleaning, disinfection, and sterilization into a single system that operates on the handrail, eliminating the need for separate cleaning devices and reducing overall system complexity despite adding comprehensive hygiene capabilities
Solution Approach 2:
The cleaning components are nested within or around the existing handrail structure, with cleaning components positioned to engage the handrail surface without requiring separate external mounting structures, thereby minimizing additional spatial requirements and structural complexity
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
Enhances the self-purification capacity of the DR device by effectively sterilizing contact points and surrounding environments, ensuring hygiene standards are met, with improved cleaning efficiency and reduced contamination risks.
Implementation Method 1
The first ultraviolet sterilization assembly is provided on the moving collar assembly and configured to emit ultraviolet light and irradiate a peripheral of the handrail
Data Source
AI summary
Disclosed is a multifunctional mobile digital radiography (DR) device. The multifunctional mobile DR device includes a rack, an X-ray detector, an image processor, a display, a handrail provided on the rack and a cleaning mechanism. The cleaning mechanism includes a guide assembly, a moving collar assembly and a first ultraviolet sterilization assembly. The guide assembly is adjacent to the handrail and extends from one end of the handrail to the other end of the handrail. The moving collar assembly is provided on the guide assembly and sleeved outside the handrail. The first ultraviolet sterilization assembly is provided on the moving collar assembly and configured to emit ultraviolet light and irradiate a peripheral of the handrail. The guide assembly is configured to guide the moving collar assembly and the moving collar assembly is configured to reciprocate between two ends of the handrail.