Absorbent Article Attachment Regions for Wearable Sensor Security
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Solution Overview
Problem
Existing absorbent articles lack secure and reliable attachment mechanisms for wearable sensing devices, which can lead to unintentional removal and pose choking hazards, especially for children, and fail to effectively communicate wetness changes to caregivers.
Innovation Solution
The absorbent article features distinct attachment regions with different peel force responses, utilizing outwardly facing hooks and loops for secure fastening around the waist and for attaching a wearable sensing device, ensuring the device remains securely positioned near a wetness indicator while allowing easy removal and reattachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a single attachment region with uniform peel force is used, then the structure is simple, but the wearable sensing device may be removed unintentionally or by others, posing safety hazards
Solution Approach 1:
The attachment system is divided into two distinct attachment regions: a first attachment region with higher peel force for securing the absorbent article around the waist, and a second attachment region with lower peel force for securing the wearable sensing device. This segmentation allows each region to be optimized for its specific function, ensuring the sensing device remains securely attached while enabling easy removal by the caregiver when needed.
Solution Approach 2:
Different peel force characteristics are applied to different locations on the absorbent article. The first attachment region (waist area) has higher peel force to prevent unintentional removal, while the second attachment region (sensing device area) has lower peel force to allow easy removal and reattachment. This local differentiation of attachment properties resolves the contradiction between security and ease of operation.
2Reliability
If high peel force is used to prevent removal, then security is improved, but the device cannot be easily removed and reattached by the caregiver
Solution Approach 1:
The attachment system is divided into two distinct attachment regions: a first attachment region with higher peel force for securing the absorbent article around the waist, and a second attachment region with lower peel force for securing the wearable sensing device. This segmentation allows each region to be optimized for its specific function, ensuring the sensing device remains securely attached while enabling easy removal by the caregiver when needed.
3Reliability
If the sensing device is securely attached, then it remains positioned near the wetness indicator, but the attachment mechanism becomes more complex
Solution Approach 1:
Different peel force characteristics are applied to different locations on the absorbent article. The first attachment region (waist area) has higher peel force to prevent unintentional removal, while the second attachment region (sensing device area) has lower peel force to allow easy removal and reattachment. This local differentiation of attachment properties resolves the contradiction between security and ease of operation.
Solution Approach 2:
The second attachment region serves multiple functions: it secures the wearable sensing device in the correct position near the wetness indicator, allows easy removal and reattachment by the caregiver, and maintains a simple hook-and-loop structure consistent with the first attachment region. This multi-functionality reduces the need for additional complex mechanisms.
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 solution provides a secure attachment for the absorbent article around the waist and for the sensing device, preventing unintentional removal and ensuring effective communication of wetness changes, enhancing wear comfort and safety by maintaining the device's proximity to the wetness indicator.
Implementation Method 1
the outwardly facing fibres interact to form a releaseable attachment between the fastenening elements and the first attachment region, wherein the interacting outwardly facing fibres comprise hooks and loops
Data Source
Figure 1
Figure 2
Figure 3a~3c
AI summary
The present invention relates to absorbent article comprising topsheet, backsheet and an absorbent core between the topsheet and the backsheet, and further comprising fastening elements for securing the article around the waist of a wearer, wherein the article comprises at least two attachment regions: a first attachment region for securing the fastening elements in the waist region; and a second attachment region for securing a wearable sensing device, the second attachment region being located on the side of the backsheet opposite to the absorbent core; wherein the first attachment region has a first surface and the second attachment region has a second surface and wherein the first surface is different from the second surface. The present invention further relates to a system comprising the absorbent article and a wearable sensing device. The present invention further relates to a method of attaching a wearable sensing device to an absorbent article.