Vertical Nonwoven Fluid Collection Assemblies
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Solution Overview
Problem
Conventional fluid collection assemblies struggle to quickly capture and transport bodily fluids, leading to leakage and skin degradation due to the use of inefficient porous materials, which are unable to handle large fluid discharges and require frequent changes.
Innovation Solution
The use of a fluid collection assembly featuring a fluid impermeable layer with a chamber, opening, and fluid outlet, incorporating a porous material made of vertically folded nonwoven fibers that are hydrophilic or hydrophobic, allowing for effective capture and transport of bodily fluids without absorption, thereby preventing leakage and maintaining dryness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional porous materials are used in fluid collection assemblies, then the assembly can collect bodily fluids, but the materials are unable to quickly capture and transport large fluid discharges, leading to leakage and skin degradation
Solution Approach 1:
The patent applies porous nonwoven materials with specific pore sizes and distributions to enable rapid fluid capture and transport. The porous structure allows high flow rates while maintaining filtration, solving the contradiction between quick fluid removal and reliable containment without leakage or skin degradation.
Solution Approach 2:
The patent uses composite structures combining multiple materials with different properties - hydrophilic materials for rapid fluid uptake, hydrophobic materials for fluid transport, and absorbent materials for fluid storage. This composite approach enables simultaneous achievement of high productivity and reliability.
2Duration of action of moving object
If conventional porous materials are used, then fluid collection is possible, but the materials require frequent changes due to saturation and inability to handle large fluid discharges
Solution Approach 1:
The fluid collection assembly is segmented into distinct functional zones: a capture zone with high-capacity absorbent material, a transport zone with hydrophobic porous material, and a storage zone. This segmentation allows each zone to specialize in its function, enabling continuous operation at high productivity without frequent changes.
Solution Approach 2:
The patent changes material parameters such as pore size, hydrophilicity/hydrophobicity, and absorbency capacity across different zones of the assembly. This parameter variation enables the system to handle large fluid discharges continuously while maintaining high productivity over extended periods.
3Ease of operation
If traditional fluid collection methods are used, then basic collection is achieved, but comfort is compromised due to leakage and skin degradation from prolonged use
Solution Approach 1:
The patent introduces intermediary materials - soft hydrophilic layers that contact the skin, hydrophobic barriers that prevent fluid-skin contact, and absorbent intermediaries that intercept fluids before they reach the skin. These intermediaries eliminate harmful effects while maintaining comfort during prolonged use.
Solution Approach 2:
The patent converts potentially harmful fluids into beneficial information by using indicator materials that change color or properties when exposed to fluids, allowing users to monitor collection status without direct contact with fluids, thus maintaining comfort while preventing skin degradation.
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 fluid collection assembly effectively captures and transports bodily fluids, reducing leakage and skin degradation, enabling prolonged use without causing discomfort, and maintaining the porous material's dryness, allowing for extended use periods of up to 48 hours or more.
Implementation Method 1
The fluid collection assembly includes at least one porous material disposed in the chamber. The at least one porous material includes at least one vertical nonwoven material that includes a plurality of fibers.
Implementation Method 2
incorporating a porous material made of vertically folded nonwoven fibers that are hydrophilic or hydrophobic, allowing for effective capture and transport of bodily fluids without absorption
Implementation Method 3
incorporating a porous material made of vertically folded nonwoven fibers that are hydrophilic or hydrophobic, allowing for effective capture and transport of bodily fluids without absorption
Implementation Method 4
when one or more bodily fluids are present in the chamber, a suction provided from the vacuum source to the chamber of the fluid collection assembly removes the one or more bodily fluids from the chamber and deposits the bodily fluids in the fluid storage container
Data Source
AI summary
An example fluid collection assembly includes a fluid impermeable layer that at least defines a chamber, at least one opening, and a fluid outlet. The fluid collection assembly also includes at least one porous material disposed in the chamber. The porous material includes at least one vertical nonwoven material that includes a plurality of fibers.