Delivery-and-fluid-storage bridge for reduced-pressure wound therapy
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Solution Overview
Problem
Current reduced-pressure treatment systems face challenges in effectively delivering and managing fluids at tissue sites, particularly in limited-access areas, where traditional methods may not provide adequate comfort, reliability, or prevent pressure ulcers.
Innovation Solution
A delivery-and-fluid-storage bridge system that includes a delivery manifold for reduced pressure distribution, an absorbent layer for fluid management, and encapsulating layers for containment, with apertures for fluid communication, allowing for efficient fluid transfer and storage while maintaining reduced pressure at the tissue site.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional reduced-pressure treatment systems are used, then reduced pressure can be applied to tissue sites, but fluid management is inadequate and pressure ulcers may occur
Solution Approach 1:
The system divides the treatment interface into multiple functional segments: a treatment manifold with multiple apertures for pressure distribution, a separate absorbent layer for fluid management, and an encapsulating layer for containment. This segmentation allows each component to perform its specific function optimally, preventing fluid accumulation that could cause pressure ulcers while maintaining reliable reduced-pressure treatment.
Solution Approach 2:
The patent introduces an intermediary absorbent layer between the treatment manifold and the tissue site. This intermediary component absorbs excess fluids while allowing reduced pressure to be transmitted effectively to the tissue, thereby preventing direct contact between fluids and the pressure interface, which eliminates the risk of pressure ulcers.
2Productivity
If fluids are effectively managed at the tissue site, then wound healing is promoted, but system complexity increases
Solution Approach 1:
The patent merges multiple functions into a single integrated bridge structure: the delivery manifold for pressure distribution, the absorbent layer for fluid management, and the encapsulating layer for containment are all combined in one component that spans from the reduced-pressure source to the tissue site. This merging achieves effective fluid management and promotes wound healing while avoiding the complexity of multiple separate components.
Solution Approach 2:
The bridge structure is designed as a multi-functional universal component that simultaneously delivers reduced pressure, manages fluids through absorption, and provides structural containment. This multi-functionality allows the system to promote wound healing efficiently without requiring separate specialized components for each function, thereby reducing overall system complexity.
3Reliability
If reduced pressure is delivered effectively to limited-access tissue sites, then treatment efficacy is improved, but patient comfort decreases due to pressure and fluid accumulation
Solution Approach 1:
The treatment manifold features multiple apertures distributed across its surface, creating local quality variations that allow reduced pressure to be delivered effectively to specific tissue sites while the absorbent layer locally manages fluids at each aperture. This local quality approach ensures treatment efficacy at the tissue interface while preventing fluid accumulation that would cause patient discomfort.
Solution Approach 2:
The absorbent layer serves as an intermediary between the pressure-delivering manifold and the tissue site, absorbing excess fluids locally at each aperture. This intermediary function maintains treatment efficacy by ensuring consistent pressure delivery to limited-access tissue sites while simultaneously preventing fluid accumulation that would cause patient discomfort.
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 patient comfort by providing a low-profile, reliable reduced-pressure treatment that effectively manages fluids and prevents pressure ulcers, ensuring efficient fluid transfer and storage without excessive pressure, thus promoting wound healing.
Implementation Method 1
an absorbent layer proximate the delivery manifold adapted to receive and absorb fluids
Implementation Method 2
Reduced pressure is transferred from the first aperture along the distribution manifold to the second aperture and to the tissue site
Data Source
AI summary
Systems, methods, and apparatuses are presented that facilitate the provision of reduced pressure to a tissue site by using a delivery-and-fluid-storage bridge, which separates liquids and gases and provides a flow path for reduced pressure. In one instance, a delivery-and-fluid-storage bridge includes a delivery manifold for delivering reduced pressure to a treatment manifold at the tissue site and an absorbent layer proximate the delivery manifold adapted to receive and absorb liquids. The delivery manifold and the absorbent layer are encapsulated in an encapsulating pouch. A first aperture is formed proximate a first longitudinal end of the delivery-and-fluid-storage bridge for fluidly communicating reduced pressure to the delivery manifold from a reduced-pressure source, and a second aperture is formed on a patient-facing side of the delivery-and-fluid-storage bridge. Reduced pressure is transferred to the tissue site via the second aperture. Other systems, apparatuses, and methods are disclosed.