Medical Package Label Structure for Visible First-Use Indication
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Solution Overview
Problem
Existing medical device packages, particularly those with first use indicator labels, fail to reliably indicate if the package has been previously opened, as the label can tear cleanly and reattach, making it difficult to discern if the seal has been breached.
Innovation Solution
A medical device package design featuring a cap and case with adjacent indentations and a first use indicator label spanning these indentations, made of a material that does not tear upon opening, ensuring the label remains affixed to the cap after closure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a first use indicator label is applied to the package that spans the separation line of the cap and case, then the label will tear upon first opening to provide indication, but the label can tear so cleanly that upon reclosing the adjoining pieces fit back together making the tear line difficult to see
Solution Approach 1:
The label is positioned to span the separation line between the cap and case, with different portions of the label having different fates upon opening. The portion on the cap remains while the portion on the case is removed, creating an asymmetric local quality that ensures visible indication. This local differentiation resolves the contradiction by ensuring the tear line remains visible through asymmetric placement rather than uniform behavior across the entire label.
Solution Approach 2:
Instead of expecting the label to remain intact or tear in a way that maintains visibility, the invention inverts the approach by designing the label to be partially removed upon opening. The label portion on the case is intentionally designed to be left behind, while the portion on the cap remains. This inversion transforms the problem of clean tearing into a solution where the missing portion itself becomes the visible indicator of opening.
2Ease of operation
If the package is designed to be re-closable with the cap attached to the case via a hinge, then convenience is enhanced, but it becomes more difficult to tell whether the package has been previously opened
Solution Approach 1:
The label serves as an intermediary element between the cap and case that provides detection capability. When the cap is opened, the label spans the separation line and its asymmetric removal (staying on the cap while leaving the case) creates a visible mediator that indicates opening has occurred. This intermediary resolves the contradiction by providing a visual marker that persists through the re-closing action, allowing users to detect previous opening despite the package's re-closable design.
3Stability of the object's composition
If the label is fully supported by underlying structure, then the label is stable, but the label can tear so cleanly that upon reclosing the cap the adjoining pieces fit back together perfectly
Solution Approach 1:
The label is effectively segmented into two functional portions: one attached to the cap and one attached to the case. Upon opening, these segments separate asymmetrically - the cap portion remains while the case portion is left behind. This segmentation resolves the contradiction by ensuring that while the label material itself maintains structural stability (allowing clean tearing), the segmented placement ensures the tear line remains visible through asymmetric distribution of the label portions.
Data Source
AI summary
The present disclosure is directed to a medical product package that may comprise a case for receiving a medical product, the case having an open end; a cap for sealing the open end of the case; a hinge having one end connected to the cap and a second end connected to the case; an indentation in the outer surface of the cap, the indentation having a reduced outer dimension compared to the rest of the outer surface of the cap in which it is formed; an indentation in an outer surface of the case, the indentation having a reduced outer dimension compared to the rest of the outer surface of the case in which it is formed, the indentation in the outer surface of the cap and the indentation in the outer surface of the case being adjacent to each other when the cap is in a fully closed position; and a first use indication label affixed to the cap and case and spans both the indentation in the cap and the indentation in the case, wherein the first use indication label is made of a material that does not tear upon opening of the package.