Absorbent Article Exudate Management Layer Contouring
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Solution Overview
Problem
Conventional absorbent articles often fail to provide adequate fit to the body, leading to increased leakage and discomfort due to flat designs that do not conform well to the wearer's contours, resulting in gaps and undesirable deformation.
Innovation Solution
The absorbent article incorporates an exudate management layer with a first component defining an opening and a second component connected via a primary fold, extending in the longitudinal direction to improve conformity and intake of body exudates, along with a topsheet and liquid impermeable layers for enhanced absorption and retention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If conventional absorbent articles use a flat design, then manufacturing is simple, but the article fails to conform to the body causing gaps and leakage
Solution Approach 1:
The absorbent article incorporates a contoured design with curved surfaces that match the body's anatomy, replacing flat rigid structures with flexible curved geometries that conform to the wearer's contours, eliminating gaps and improving fit
Solution Approach 2:
The article uses flexible topsheet and liquid impermeable layers that can deform and adapt to body contours, allowing the flat article to bend and conform to the three-dimensional body surface during wear
2Ease of manufacture
If the absorbent article is made flat for ease of manufacture, then production is easier, but movement causes deformation and fold lines that create leakage pathways
Solution Approach 1:
The contoured design with pre-formed curves and shapes allows the article to accommodate body movement without creating sharp fold lines, as the curved geometry naturally distributes deformation more evenly across the structure
Solution Approach 2:
The article incorporates materials and structural parameters that allow controlled deformation in response to body movement, changing the physical state and flexibility characteristics to maintain integrity during dynamic wear conditions
3Reliability
If conventional articles lack conforming structures, then the design is simple, but gaps between the article and skin result in increased leakage
Solution Approach 1:
The contoured design creates a snug fit against the body surface through curved geometries, eliminating gaps between the article and skin that would otherwise serve as leakage pathways
Solution Approach 2:
The flexible outer layers conform to body contours and maintain continuous contact with the skin, preventing exudate from escaping through gaps while the absorbent core remains effectively contained
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 design enhances the absorbent article's ability to conform to the body, reducing leakage and discomfort by improving the intake and retention of body exudates, such as urine and menstrual fluid, through the exudate management layer's structured configuration.
Implementation Method 1
the exudate management layer comprising a first component at least partially defining an opening in the exudate management layer; and a second component connected to the first component via a primary fold. In various embodiments, the second component extends from the primary fold in the longitudinal direction towards the posterior region of the absorbent article. In various embodiments, the second component extends from the primary fold in the longitudinal direction towards the anterior region of the absorbent article.
Data Source
AI summary
An absorbent article can have a topsheet layer, a liquid impermeable layer, and an absorbent core positioned between the topsheet layer and the liquid impermeable layer. The absorbent article can further include an exudate management layer in fluid communication with the topsheet layer. In various embodiments, the exudate management layer can be positioned on a body facing surface of the topsheet layer. In various embodiments, the exudate management layer can be positioned between the topsheet layer and the absorbent core. The exudate management layer has a first component which defines an opening for direct passage of body exudates into the absorbent core. The exudate management layer has a second component which at least partially overlaps the first component of the exudate management layer and further extends in the longitudinal direction of the absorbent article in a direction towards the posterior region of the absorbent article.