Disposable Insert Array for Absorbent Assemblies
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Solution Overview
Problem
Current absorbent articles lack flexibility in accommodating varying fluid discharge levels between day and night, necessitating separate inserts for optimal protection and comfort, which can be inconvenient for caregivers.
Innovation Solution
An array of disposable inserts with different absorbency levels and features, including varying amounts of superabsorbent polymers, acquisition distribution layers, and channel configurations, designed to fit within a reusable outer shell, allowing for adaptable use based on time of day.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single absorbent insert is used in the outer shell, then the device structure is simple, but it cannot adapt to varying fluid discharge levels between day and night
Solution Approach 1:
The outer shell is designed to universally accommodate multiple different inserts (day-time and night-time) through a standardized interface, allowing one shell to perform multiple functions by accepting different inserts based on the time of day and fluid discharge expectations
2Reliability
If separate day-time and night-time inserts are used, then absorbency performance is optimized, but the ease of operation for caregivers is reduced
Solution Approach 1:
The absorbent system is segmented into two independent components: a reusable outer shell and disposable inserts. This segmentation allows the inserts to be easily replaced without discarding the entire absorbent article, simplifying the operation for caregivers who only need to change the insert rather than the whole diaper
Solution Approach 2:
The system transitions from a static single-insert design to a dynamic multi-insert design where the appropriate insert can be selected and swapped based on changing conditions (time of day, fluid discharge levels), making the system adaptable and easier to operate in different scenarios
3Reliability
If inserts with different absorbency levels are provided, then protection and comfort are improved, but the quantity of different insert types increases
Solution Approach 1:
Different inserts are designed with local quality variations - day-time inserts have lower absorbency suitable for daytime use, while night-time inserts have higher absorbency for nighttime use. This localized optimization of absorbency properties ensures appropriate protection and comfort for each time period without requiring all inserts to have maximum absorbency
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
Provides enhanced care by offering inserts tailored to specific absorbency needs, ensuring better protection and comfort by accommodating different fluid discharge levels, allowing for flexible use of inserts across different times of the day.
Implementation Method 1
The general purpose of such absorbent articles is to absorb, distribute and store various types of body exudates
Implementation Method 2
The absorbent core comprising absorbent material arranged in between the topsheet and backsheet
Implementation Method 3
the absorbent material comprises superabsorbent polymers comprising synthetic hydrogel-forming polymers (SAP) and/or superabsorbent polymers comprising natural hydrogel-forming polymers (bio-SAP)
Data Source
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AI summary
The present invention relates to an array of disposable inserts (25,26) for an absorbent assembly (1), the array comprising: • a first package comprising a plurality of first inserts (25) for an absorbent assembly (1), configured to be arranged on or at least partially within an outer shell (2); • a second package comprising a plurality of second inserts (26) for absorbent assembly (1), configured to be arranged on or at least partially within an outer shell (2); • each first and second insert (25,26) comprising a topsheet (8), a backsheet (9) and an absorbent core (10) comprising absorbent material (23) arranged in between the topsheet (8) and backsheet (9); the first insert (25) comprising a first absorbency as measured by method and the second insert (26) comprising a second absorbency as measured by method; wherein, the first absorbency is greater than the second absorbency. The invention also pertains to an absorbent assembly (1) and to an array of absorbent assemblies (1).