Wound Dressing Sealant for Irregular Wound Adaptability
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Solution Overview
Problem
Existing wound dressings, particularly those for negative pressure therapy, struggle to accommodate irregularly shaped wounds and body topography, limiting their application to wounds that need this therapy most, such as vein harvest wounds and diabetic foot ulcers.
Innovation Solution
A dispensable sealant composition and method for creating a main wound dressing portion that can be trimmed and shaped to fit various wound sizes and shapes, incorporating a backing layer, transmission layers, and a port for negative pressure application, allowing for enhanced adaptability and universal use on different wound geometries.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional fixed-size and fixed-shape wound dressings are used, then manufacturing and application are simplified, but adaptability to irregularly shaped wounds and complex body topography deteriorates
Solution Approach 1:
The wound dressing is divided into multiple separate components including a reusable adhesive border and disposable absorbent inserts. The border remains on the wound while inserts are periodically removed and replaced, allowing customization for different wound shapes and sizes without requiring the entire dressing to be custom-made each time.
Solution Approach 2:
The dressing design allows dynamic adjustment through removable and replaceable inserts within a permanent border structure. This enables the dressing to adapt to changing wound conditions and geometries over time while maintaining the sealed environment necessary for negative pressure therapy.
2Adaptability or versatility
If wound dressings are trimmed and shaped to fit irregular wounds, then adaptability improves, but application time and complexity increase
Solution Approach 1:
The adhesive border is pre-applied to the wound site and secured before inserting the absorbent inserts. This preliminary action creates a ready-made framework that requires minimal additional shaping or trimming, significantly reducing overall application time while maintaining conformability to irregular wound geometries.
Solution Approach 2:
Different components of the dressing have specialized properties optimized for their specific functions - the border provides sealing and structural support while the inserts provide absorption and can be customized to match the local wound geometry. This local optimization allows quick assembly without extensive custom shaping.
3Ease of manufacture
If reusable adhesive borders are used with disposable inserts, then cost effectiveness improves, but device complexity increases
Solution Approach 1:
The dressing system is segmented into a reusable border component and disposable insert components. This segmentation allows the complex sealing and structural functions to be manufactured once and reused, while the simpler absorbent inserts can be mass-produced inexpensively and disposed of after single use, improving overall manufacturing efficiency.
Solution Approach 2:
The reusable adhesive border serves multiple functions including sealing the wound environment, providing structural support, and serving as a platform for multiple insert replacements. This multi-functionality reduces the need for multiple separate components, simplifying the overall system despite its multi-component nature.
Data Source
AI summary
Embodiments disclosed herein are directed to sealing compositions for negative pressure treatment systems and wound dressing systems, devices containing the same, apparatuses, uses and methods for creating a main wound dressing portion for use in wound care, more particularly for sealing a trimmable dressing, having a main dressing portion or cell in fluid (e.g., gas) communication with additional dressing portions or cells, for use in woundcare, more particularly that may be used for the treatment of wounds. In particular, some embodiments are directed to compositions for improving the versatility of wound dressings for wounds of different shapes or sizes.