Notched Two-Lobe Wound Dressing for Contoured Site Adhesion
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Solution Overview
Problem
Existing wound dressings face challenges in adhering to variably contoured and highly mobile wound sites, requiring additional securing means that increase time, cost, and reduce patient comfort, and necessitate complex manufacturing and extensive practitioner training.
Innovation Solution
A wound dressing design featuring a periphery and absorbent pad with geometrically similar outlines comprising two lobes and notches, allowing for improved conformity and secure adhesion to contoured sites without rippling or bulging, facilitated by notches that enable folding to conform to the wound shape.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If additional securing means are used to attach the dressing, then the adherence to contoured sites is improved, but the time, cost, and patient comfort are worsened
Solution Approach 1:
The dressing is divided into two functional zones: a contoured absorbent pad with two lobes and notches that conforms to the wound site, and a flat periphery that adheres to the surrounding skin. This segmentation allows each zone to perform its specific function optimally without requiring additional securing means.
Solution Approach 2:
The absorbent pad transitions from a flat two-dimensional structure to a three-dimensional contoured shape with two lobes and notches. This dimensional change enables the pad to conform to contoured wound sites while the flat periphery maintains adherence, eliminating the need for additional securing means.
2Reliability
If site specific shapes are provided to improve adherence, then the fit to contoured sites is improved, but the design complexity, manufacturing complexity, and practitioner training requirements are worsened
Solution Approach 1:
The dressing with its two-lobe contoured shape and notches is designed to be universally applicable to various contoured wound sites across different body locations. This single multi-functional design replaces the need for multiple site-specific dressing shapes, simplifying design, manufacturing, and practitioner training.
3Ease of manufacture
If the periphery and absorbent pad have different shapes, then the manufacturing flexibility is improved, but the conformity to contoured wound sites and adherence are worsened
Solution Approach 1:
The dressing is segmented into two distinct functional zones with different shapes: a contoured absorbent pad with two lobes and notches for wound conformity, and a flat periphery for adherence. This segmentation allows each part to have its optimal shape for its specific function.
Solution Approach 2:
Different regions of the dressing have different local qualities and shapes tailored to their specific functions. The absorbent pad region has a contoured two-lobe shape with notches for conforming to the wound, while the periphery region has a flat shape for adherence to surrounding skin.
Data Source
AI summary
A wound dressing (10) having a periphery having an outline. The wound dressing comprises an absorbent pad having an outline. The outline of the periphery and the outline of the absorbent pad have the same shape. The shape comprising two lobes, the boundary between the two lobes defining a flex line, and at least one lobe comprising a least one notch.