Modular Manifold Dressing for Customizable Negative-Pressure Therapy

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Current negative-pressure therapy systems for tissue treatment lack customization and ease of use, particularly in terms of adapting to varying tissue site shapes and sizes, and require complex assembly and manipulation of dressing components.

Innovation Solution

A modular therapy system comprising interchangeable manifold modules with silicone adhesive layers, allowing for customizable tissue interfaces that can be easily secured and dissecured, providing a flexible and adaptable platform for negative-pressure therapy.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a modular manifold module design is used, then adaptability to varying tissue site shapes and sizes is improved, but device complexity increases due to multiple interchangeable components

Engineering Contradiction:
Improveadaptability to varying tissue site shapes and sizesVSAvoiddevice complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The dressing is divided into multiple interchangeable manifold modules, each configured for different tissue site geometries. This segmentation allows the system to adapt to varying wound shapes and sizes by selecting and combining appropriate modules, directly resolving the adaptability challenge while managing complexity through standardized interfaces.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The manifold modules are designed with universal adhesive layers and standardized fluid pathway connections that can be applied across different tissue site configurations. This multi-functionality allows a single module design to serve multiple wound types, improving adaptability without proportionally increasing overall system complexity.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Ease of operation

If silicone adhesive layers are used for securing manifold modules, then ease of operation is improved through easy application and removal, but manufacturing precision requirements increase

Engineering Contradiction:
Improveease of application and removalVSAvoidmanufacturing precision
Core Design Contradiction:
Ease of operationVSManufacturing precision

Solution Approach 1:

The adhesive layer material properties are specifically selected to provide optimal balance between ease of application and manufacturing feasibility. By adjusting adhesive parameters such as tackiness, bonding strength, and removal characteristics, the system achieves user-friendly application and removal while remaining compatible with standard manufacturing processes.

Inventive Principle:
Principle #35Parameter changes

3Productivity

If multiple fluid pathways are distributed across manifold modules, then productivity is improved through enhanced tissue growth acceleration, but device complexity increases

Engineering Contradiction:
Improvetissue growth accelerationVSAvoiddevice complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The fluid distribution system is segmented across multiple manifold modules, each containing optimized fluid pathways for specific tissue regions. This segmentation enables enhanced productivity through improved pressure distribution and tissue penetration while managing complexity through modular, repeatable pathway designs that can be assembled in various configurations.

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 modular system enables efficient distribution of negative pressure across tissue sites, promoting tissue growth and healing by allowing for customized fit and easy application and removal, thereby enhancing therapeutic outcomes and user convenience.

Implementation Method 1

The second manifold module may be releasably secured to the first manifold module by the first silicone adhesive layer

Methodology Applied
Scientific EffectAdhesive: Adhesive

Implementation Method 2

reducing pressure in proximity to a tissue site can augment and accelerate growth of new tissue at the tissue site

Methodology Applied
Scientific EffectNegative-pressure therapy: Pressure Gradient

Data Source

PatentEP3706686B1Multi-module dressing and therapy methods
Publication Date: 2023.06.07 KCI LICENSING INC
  • EP3706686B1 patent drawingFigure 1
  • EP3706686B1 patent drawingFigure 2
  • EP3706686B1 patent drawingFigure 3

AI summary

In one example, a system may include a first manifold module. The first manifold module may include a first manifold layer, a first silicone adhesive layer, a first perforated substrate, and a first acrylic adhesive layer. The first silicone adhesive layer may be disposed on a second surface of the first perforated substrate. The system may also include a second manifold module configured to be releasably secured to the first manifold module by the first silicone adhesive layer. The second manifold module may comprise a second manifold layer, a second silicone adhesive layer, a second perforated substrate, and a second acrylic adhesive layer. The second silicone adhesive layer may be disposed on a second surface of the second perforated substrate.