Compression Dressing Bridge for Fluid Wicking and Storage
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Solution Overview
Problem
Existing reduced-pressure therapy systems for treating wounds and tissue sites face challenges in efficiently managing fluid accumulation and distribution, which can impede the effectiveness of the therapy.
Innovation Solution
A bridge assembly with a storage bridge that includes a bridge envelope, absorbent, and sealing member, configured to manage fluid communication and storage, is integrated into a dressing system to facilitate efficient fluid handling and pressure application.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a storage bridge with absorbent material is used to manage fluid accumulation, then fluid management capability is improved, but device complexity increases
Solution Approach 1:
The storage bridge is nested within the dressing system, with the bridge envelope containing the absorbent material and forming an integral part of the fluid management assembly. This nesting approach improves fluid management while minimizing the increase in overall device complexity by integrating components rather than adding separate external systems.
Solution Approach 2:
The storage bridge acts as an intermediary component between the wound interface and the fluid collection system. It manages fluid accumulation through its absorbent material and controlled passageways, serving as a mediator that handles fluid transport and storage without requiring direct complex mechanical intervention, thus improving reliability while keeping the system relatively simple.
2Productivity
If multiple layers including wicking layers and absorbent are integrated, then fluid distribution efficiency is improved, but manufacturing complexity increases
Solution Approach 1:
The fluid management system is segmented into distinct functional layers including wicking layers for fluid acquisition, an absorbent material for fluid storage, and a bridge envelope for containment. Each layer performs a specific function in the fluid distribution process, improving overall efficiency while allowing for modular manufacturing of individual components that can be assembled together.
Solution Approach 2:
The bridge envelope serves multiple functions simultaneously: it contains the absorbent material, provides structural support for the storage bridge, defines the internal passageway for fluid communication, and interfaces with both the wicking layers and the external fluid collection system. This multi-functionality improves fluid distribution efficiency while reducing the number of separate components needed, thereby simplifying manufacturing.
3Adaptability or versatility
If the bridge absorbent volume is less than the bridge envelope internal volume, then flexibility and conformability are improved, but fluid storage capacity is reduced
Solution Approach 1:
The storage bridge is designed with dynamic flexibility, allowing the bridge envelope to conform to the contours of the wound and surrounding tissue. The absorbent material volume is intentionally less than the envelope's internal volume to create space that allows the structure to flex and adapt to irregular anatomical surfaces, improving adaptability while maintaining adequate fluid storage capacity through the absorbent's ability to draw in and hold fluid as it accumulates.
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 system enhances fluid management and pressure distribution, accelerating tissue growth and healing by effectively removing excess fluid and maintaining therapeutic pressure at the tissue site.
Implementation Method 1
The bridge absorbent may be disposed within the internal volume of the bridge envelope. The bridge absorbent may include a volume that is less than the internal volume of the bridge envelope.
Implementation Method 2
The bridge sealing member may encapsulate the bridge envelope and may define an internal passageway in fluid communication between the receiving end and the transmitting end.
Implementation Method 3
Each of the one or more bridge wicking layers may include a fluid acquisition surface and a fluid distribution surface positioned opposite the fluid acquisition surface.
Data Source
AI summary
In some illustrative examples, a bridge suitable for treating a tissue site may include a bridge sealing member and one or more bridge wicking layers. The bridge sealing member may extend along a length of the bridge, and may define an internal passageway in fluid communication between a receiving end of the bridge and a transmitting end of the bridge. The one or more bridge wicking layers may be disposed within the internal passageway of the bridge sealing member. Other apparatus, systems, and methods are disclosed.