Skin Testing Tray With Snap-Fit Lid And Visibility Windows
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Solution Overview
Problem
Conventional skin testing-device systems lack rigidity, leading to test devices falling out and contamination, and do not allow for easy visualization of test solution levels, making it difficult to manage multiple test solutions effectively during skin testing procedures.
Innovation Solution
A skin testing-device system with a well holder assembly and lid that snaps into a tray, providing rigidity and visibility of test solution levels through see-through windows, and a clamshell-package system with offset receptacles to prevent test devices from dislodging and facilitate easy handling and stacking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional skin testing-device systems are used without a rigid well holder assembly, then the device complexity is reduced, but test devices fall out and become contaminated, reducing reliability
Solution Approach 1:
The system is divided into separate modular components: a well holder assembly that holds multiple wells, a lid that covers the assembly, and a tray that contains the complete assembly. This segmentation allows each component to perform its specific function while maintaining overall system reliability through proper containment and protection of test devices.
Solution Approach 2:
The well holder assembly and lid are designed to prevent test devices from falling out before contamination can occur. The rigid structure and secure fit of the lid over the wells create a protective barrier in advance, preventing dislodgement and contamination during transport and storage, rather than attempting to correct issues after they occur.
2Ease of operation
If conventional opaque well holders are used, then manufacturing is simpler, but test solution levels cannot be visualized, making it difficult to manage multiple test solutions
Solution Approach 1:
The well holder is made transparent or translucent specifically in the areas where wells are located, allowing visualization of test solution levels. This local quality change enables operators to monitor test solution levels without adding complex external monitoring systems, while the rest of the structure maintains simple manufacturing characteristics.
Data Source
AI summary
Embodiments of the invention are directed to a skin testing-device system. The system includes a tray, a well holder that snaps into the tray and that holds a plurality of rows of test-solution wells, and a well holder-assembly lid that snaps into the tray over the well holder. The well-holder may include see-through windows such that a test-solution level is visible for substantially each of the test-solution wells from one or more single viewpoints, which may be elevated, and offset, from the well holder. The well holder-assembly lid may include areas that prevent skin-test devices in the test-solution wells from being dislodged from the test-solution wells while the well holder-assembly lid is snapped into the tray. Embodiments of the invention are directed to a clamshell-package system for holding skin-test devices. The system includes a clamshell package having generally crescent-shaped receptacles in an offset pattern and a clamshell-package lid.