Asymmetric Tampon Applicator Grip for Precise Insertion
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Solution Overview
Problem
Existing tampon applicator assemblies lack ergonomic design features that enhance user experience and manufacturing efficiency, particularly in terms of gripability and rotational orientation for optimal fluid absorption.
Innovation Solution
The applicator assembly features a gripping portion with varying lateral dimensions and rotational orientations to facilitate intuitive handling and ensure optimal tampon placement within the vaginal cavity, combined with a plunger mechanism for easy ejection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the applicator assembly uses a traditional cylindrical barrel shape, then the manufacturing process is simple, but the user experience and gripability are insufficient
Solution Approach 1:
The applicator assembly employs asymmetric design by transitioning from a cylindrical barrel to a gripping portion with varying lateral dimensions. The gripping portion has a first lateral dimension at its forward end that is greater than a second lateral dimension at its rearward end, creating an asymmetric shape that provides superior gripability and ergonomic handling while maintaining manufacturability through integral molding.
Solution Approach 2:
The applicator assembly applies local quality by differentiating the lateral dimensions at different portions of the gripping structure. The forward end of the gripping portion has a larger first lateral dimension optimized for finger placement and grip, while the rearward end has a smaller second lateral dimension that facilitates proper rotational orientation during insertion, allowing each region to serve its specific functional purpose.
2Manufacturing precision
If the applicator assembly lacks rotational orientation features, then the manufacturing process is simpler, but the tampon placement precision is reduced
Solution Approach 1:
The applicator assembly uses asymmetric lateral dimensions in the gripping portion to provide inherent rotational orientation cues. The first lateral dimension at the forward end is greater than the second lateral dimension at the rearward end, creating an asymmetric profile that guides the user to rotate the applicator to the correct orientation before insertion, ensuring precise tampon placement in the vaginal cavity.
Solution Approach 2:
The applicator assembly incorporates preliminary action by providing tactile and visual orientation cues through its asymmetric gripping portion design before insertion occurs. The varying lateral dimensions alert the user to the proper rotational orientation in advance, allowing the user to correctly position the applicator before insertion, thereby ensuring optimal tampon placement without requiring complex mechanical orientation mechanisms.
3Ease of operation
If the applicator assembly uses uniform lateral dimensions, then the manufacturing process is simpler, but the user comfort and gripability are reduced
Solution Approach 1:
The applicator assembly implements local quality by varying the lateral dimensions at different portions of the gripping structure. The forward end has a larger first lateral dimension for enhanced grip and comfort, while the rearward end has a smaller second lateral dimension for proper orientation. This localized differentiation improves user comfort without requiring complex assembly processes, as the varying dimensions are formed in a single integral molding operation.
Data Source
AI summary
A tampon product including a tampon within an applicator assembly is disclosed. The applicator assembly includes a barrel portion joined to a gripping portion, imparted with features that improve utility and convenience for the user. In one example the gripping portion has a rearward edge defining differing first and second lengths. In another example the gripping portion has a lateral outer cross section profile that is substantially oval-shaped, ovoid-shaped, elliptical or stadium-shaped and has major and minor axes, each perpendicular to a longitudinal axis, along first and second lateral perpendicular directions, wherein following absorption of fluid the tampon will expand laterally to a first lateral dimension to a greatest extent along a first lateral direction, and to a lesser second lateral dimension along a second lateral direction 90 degrees from the first lateral direction, wherein the first lateral direction is substantially parallel to one of the major and minor axes.