Removable Absorptive Pad for Compression Dressing

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Current compression dressing systems face issues with absorptive layers becoming saturated, leading to skin maceration, unpleasant odors, and disruption of compressive force when replaced, as the entire dressing must be removed to replace the absorptive layer.

Innovation Solution

A compression dressing design featuring a moisture transport fabric with elastic fibers and a removable absorptive reservoir layer, allowing for one-way fluid management and easy replacement without disrupting the compressive force, utilizing a jersey knit fabric with hydrophobic and hydrophilic surfaces for directional fluid flow and incorporating antimicrobial agents.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Quantity of substance

If the absorptive layer is integrated into the compression dressing, then fluid absorption capacity is improved, but the entire dressing must be removed to replace the absorptive layer, disrupting compressive force and increasing time loss

Engineering Contradiction:
Improvefluid absorption capacityVSAvoidtime to replace absorptive layer
Core Design Contradiction:
Quantity of substanceVSLoss of time

Solution Approach 1:

The compression dressing is divided into separate functional components: a compression bandage layer that provides compressive force and a removable absorptive pad layer that captures fluid. This segmentation allows the absorptive pad to be replaced independently without removing the compression bandage, thus maintaining compressive force while reducing time loss from frequent dressing changes.

Inventive Principle:
Principle #1Segmentation

2Quantity of substance

If the absorptive layer is integrated into the compression dressing, then fluid absorption capacity is improved, but the entire dressing must be removed to replace the absorptive layer, disrupting compressive force

Engineering Contradiction:
Improvefluid absorption capacityVSAvoidcompressive force continuity
Core Design Contradiction:
Quantity of substanceVSReliability

Solution Approach 1:

The compression dressing is divided into separate functional components: a compression bandage layer that provides compressive force and a removable absorptive pad layer that captures fluid. This segmentation allows the absorptive pad to be replaced independently without removing the compression bandage, thus maintaining compressive force while reducing time loss from frequent dressing changes.

Inventive Principle:
Principle #1Segmentation

3Quantity of substance

If the absorptive layer is integrated into the compression dressing, then fluid absorption capacity is improved, but the dressing becomes bulky or sags as it absorbs fluid

Engineering Contradiction:
Improvefluid absorption capacityVSAvoiddressing volume
Core Design Contradiction:
Quantity of substanceVSShape

Solution Approach 1:

The absorptive pad is extracted as a separate removable component from the compression bandage. When the pad becomes saturated and bulky, it can be removed without affecting the compression bandage's structure or volume, preventing the dressing from sagging and maintaining its therapeutic shape.

Inventive Principle:
Principle #2Taking out (Extraction)

4Quantity of substance

If the absorptive layer is integrated into the compression dressing, then fluid absorption capacity is improved, but the dressing requires frequent replacement leading to skin maceration and odor

Engineering Contradiction:
Improvefluid absorption capacityVSAvoidskin maceration and odor
Core Design Contradiction:
Quantity of substanceVSObject-affected harmful factors

Solution Approach 1:

The compression dressing is divided into separate functional components: a compression bandage layer that provides compressive force and a removable absorptive pad layer that captures fluid. This segmentation allows the absorptive pad to be replaced independently without removing the compression bandage, thus maintaining compressive force while reducing time loss from frequent dressing changes.

Inventive Principle:
Principle #1Segmentation

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 reduces skin maceration, minimizes odor buildup, and allows for more frequent dressing changes, maintaining compressive force and improving skin health by enabling absorptive layer replacement without disrupting the dressing's integrity.

Implementation Method 1

The compression dressing provides one-way, active fluid management which can move fluid away from the skin

Methodology Applied
Scientific EffectCapillary action: Capillary Action

Implementation Method 2

at least one layer of moisture transport fabric comprised of elastic fiber that exhibits a sufficient amount of elasticity to apply a compressive force to a body part when applied thereto

Methodology Applied
Scientific EffectElasticity: Elasticity

Implementation Method 3

at least one absorptive reservoir layer that is applied to the outer surface of the moisture transport fabric

Methodology Applied
Scientific EffectAbsorption: Absorption (physical)

Data Source

PatentEP2538984B1Compression dressing
Publication Date: 2021.07.21 MILLIKEN & CO
  • EP2538984B1 patent drawingFigure 1~1A
  • EP2538984B1 patent drawingFigure 2~3
  • EP2538984B1 patent drawingFigure 4

AI summary

This disclosure relates to a compression dressing designed to provide moisture transport properties to a contact surface and compression therapy for patients with swelling due to various medical conditions. The compression dressing is minimally comprised of at least one layer of moisture transport fabric comprised of elastic fiber that exhibits a sufficient amount of elasticity to apply a compressive force to a body part when applied thereto. The compression dressing further provides one-way, active fluid management which can move fluid away from the skin. The compression dressing may also include at least one absorptive reservoir layer that is applied to the outer surface of the moisture transport fabric. This absorptive reservoir layer may be removed as needed without substantially disrupting the compressive force applied to a body part. The method for using the compression dressing to manage fluid movement and edema is also provided