Cushioned diaper changing table
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Solution Overview
Problem
Current diaper changing tables are uncomfortable for infants due to their hard plastic surfaces, lack convenient storage solutions for personal accessories, and fail to provide self-cleaning mechanisms to prevent pathogen growth.
Innovation Solution
The proposed diaper changing table features a foamed cushion surface for comfort, multifunctional hook and loop solutions for accessory storage, and a UV light system with a timer for self-cleaning, deactivating pathogens on the surface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a hard plastic surface is used for the changing table, then the table is easy to clean and durable, but the surface is uncomfortable for infants
Solution Approach 1:
The changing table surface is segmented into two distinct layers: a hard plastic base layer for structural support and ease of cleaning, and a removable soft cushion layer for infant comfort. This segmentation allows each layer to fulfill its specific function independently while working together as a unified system.
Solution Approach 2:
Different regions of the changing table have different material properties - the base structure uses hard plastic for durability and cleanability, while the contact surface uses soft cushioning material for comfort. This local quality differentiation optimizes both cleaning ease and infant comfort in their respective zones.
2Device complexity
If no hook or loop solution is provided, then the table structure remains simple, but parents cannot conveniently hang personal accessories
Solution Approach 1:
The changing table is enhanced with multifunctional hook and loop solutions that serve dual purposes: providing convenient storage for personal accessories while maintaining structural simplicity. These additions transform the table from a single-function surface to a multi-functional station without significantly increasing complexity.
3Device complexity
If the changing table surface is not self-cleaning, then the table structure remains simple, but pathogens grow on the infant receiving surfaces after repeated use
Solution Approach 1:
The changing table incorporates self-cleaning functionality through UV light sources that automatically activate to sanitize the cushion surface. This self-service mechanism allows the table to maintain hygiene independently without requiring manual intervention, effectively eliminating pathogen growth while preserving relative structural simplicity.
Solution Approach 2:
Manual cleaning mechanisms are replaced with an automated UV light-based sanitation system. This substitution eliminates the need for physical cleaning actions by users and provides continuous pathogen deactivation through optical energy, transforming the cleaning approach from mechanical to optical/automated.
4Ease of operation
If a foamed cushion is added for comfort, then infant comfort is improved, but the table structure becomes more complex
Solution Approach 1:
The cushion is designed as a separate, removable component rather than an integrated permanent feature. This segmentation allows the comfort function to be added independently while maintaining the simplicity of the base structure. The removable design also simplifies cleaning and replacement procedures.
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 table provides a comfortable and secure surface for infants, convenient storage for personal items, and effective self-cleaning capabilities, enhancing hygiene and usability.
Implementation Method 1
The changing table includes a UV light source to deactivate pathogens on the infant receiving surface
Data Source
AI summary
A changing table comprises a wall assembly and a tray assembly. The wall assembly is capable of mounting to a wall, and the tray assembly is pivotally attached to the wall assembly such that the wall assembly and tray assembly form a changeable angle α in between them. The tray assembly comprises an exterior first surface and an interior second surface. The interior second surface comprises a cushion and is configured to receive an infant.