Incontinence and Stoma Scent Patch Layering for Continuous Release
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Solution Overview
Problem
Existing scent patches exhibit insufficient release profiles, shelf life, and limited acceptance by users due to design and material limitations.
Innovation Solution
A scent patch comprising a backing layer, adhesive layer, adsorbing pad with a support material and anti-adhering layer, and protective liner, designed for continuous fragrance release and improved shelf life, with a combination of materials like cotton-polyamide fabric, acrylic polymer, non-woven viscose-polyester pad, and polyolefine net, allowing for long-lasting fragrance distribution and ease of use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of moving object
If conventional scent patches are used, then basic fragrance release is achieved, but release profile is insufficient and shelf life is limited
Solution Approach 1:
The scent patch is divided into distinct functional layers: a backing layer, an adhesive layer, and an adsorbing pad layer. This segmentation allows each layer to perform its specific function optimally, with the adsorbing pad specifically designed to control fragrance release timing and the adhesive layer ensuring proper positioning for consistent release.
Solution Approach 2:
The patent employs composite materials including cotton-polyamide fabric for the backing layer, acrylic polymer for the adhesive layer, and non-woven viscose-polyester for the adsorbing pad. These composite materials provide enhanced durability, controlled porosity, and improved fragrance retention, directly addressing the insufficient shelf life and release profile consistency.
2Ease of operation
If conventional scent patches are used, then basic odor masking is provided, but user acceptance is limited
Solution Approach 1:
The patch is segmented into a backing layer, adhesive layer, and adsorbing pad, allowing for simplified application where the adhesive layer provides immediate bonding while the adsorbing pad is positioned to optimize fragrance release. This segmentation makes the complex multi-layer structure easy to manufacture and apply.
Solution Approach 2:
The use of thin, flexible materials such as the cotton-polyamide backing layer and non-woven adsorbing pad creates a discreet, conformable patch that is comfortable for users. The flexible thin-film structure allows the patch to adapt to body contours while maintaining its multi-layer functionality, improving ease of operation and user acceptance.
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
Ensures long-lasting continuous fragrance release, improved shelf life up to 5 years, and increased user acceptance by providing a discreet and easy-to-use solution for managing odors associated with incontinence and ileostomy.
Implementation Method 1
an adsorbing pad (4) comprising a support material (43) which comprises fragrance composition (42)
Implementation Method 2
an adhesive layer (3)
Data Source
AI summary
An adhesive device is capable of releasing fragrances, specifically scent patches. The adhesive device is used in the treatment of side effects associated with incontinence or an ileostomy.