Fabric Pressure And Moisture Sensing for Pressure Ulcer Prevention
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Solution Overview
Problem
Conventional methods for preventing pressure ulcers are costly and negatively impact an individual's quality of life, and there is a need for systems that can predict, alleviate, or prevent pressure injuries.
Innovation Solution
A fabric-based sensor system comprising pressure and moisture sensors, integrated with computing devices, that detects and alerts for potential pressure ulcers by monitoring pressure and moisture levels at the interface between an individual and equipment, triggering manual or automated interventions to prevent ulcer formation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional techniques (envelopment, immersion, periodic repositioning) are used to control pressure ulcers, then pressure ulcer prevention is achieved, but healthcare costs increase and quality of life deteriorates
Solution Approach 1:
The fabric-based sensor system performs preliminary detection of pressure and moisture conditions before pressure ulcers develop. By continuously monitoring interface conditions between the individual and equipment, the system alerts caregivers to potential risks in advance, enabling preventive action before actual ulcer formation occurs, thereby reducing the need for complex post-prevention interventions
Solution Approach 2:
The patent replaces complex mechanical intervention systems (manual repositioning schedules, cumbersome pressure-relief devices) with a sensor-based detection and alert system. The fabric sensors electronically monitor pressure and moisture conditions, substituting continuous mechanical management with intelligent sensing and notification, thereby simplifying the overall prevention approach while maintaining or improving effectiveness
2Reliability
If conventional techniques are used for pressure ulcer control, then pressure ulcer prevention is achieved, but quality of life of the individual deteriorates
Solution Approach 1:
The fabric-based sensor system enables a degree of self-monitoring and self-management. The sensors continuously assess pressure and moisture conditions autonomously, and the system can trigger alerts or automated responses without requiring constant manual intervention, allowing individuals to maintain more natural positioning and activities while still receiving protection against pressure ulcers
Solution Approach 2:
The patent replaces restrictive mechanical prevention methods (rigid cushions, frequent forced repositioning) with intelligent sensing technology. The fabric sensors detect hazardous conditions and enable targeted, minimal interventions only when necessary, allowing individuals to maintain greater comfort and independence while still achieving effective pressure ulcer prevention
3Measurement precision
If fabric-based sensors with both pressure and moisture sensing components are used, then prediction accuracy improves, but device complexity increases
Solution Approach 1:
The patent combines pressure sensing and moisture sensing functionalities into a single integrated fabric-based sensor unit. Both sensing components are embedded within the same fabric structure, allowing simultaneous measurement of pressure and moisture conditions at the interface without requiring separate sensor systems, thereby achieving enhanced measurement precision while controlling overall device complexity
Solution Approach 2:
The sensor system utilizes composite fabric structures that integrate conductive materials, sensing elements, and insulating layers into a unified textile. This composite approach allows multiple sensing functions (pressure detection via conductive fabric contact, moisture detection via dielectric property changes) to coexist within a single flexible sensor platform, achieving high measurement precision without proportionally increasing structural complexity
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 effectively predicts and prevents pressure ulcers by providing timely interventions, reducing healthcare costs and enhancing the quality of care for individuals at risk, from newborns to the elderly.
Implementation Method 1
The pressure sensing component can include two high conductive fabrics configured to make contact through a low conductive fabric forming a pressure sensor
Implementation Method 2
The moisture sensing component can include two conductive fabrics placed adjacent or next to each other forming a moisture sensor, wherein moisture closes the circuit in the moisture sensor
Data Source
AI summary
Disclosed are various embodiments for a pressure ulcer monitoring and prevention system. A fabric-based sensing component with a pressure sensing component and/or a moisture sensing component, and interconnections to route signals from one or more of the sensing components to a computing device is provided. An application causes the computing device to determine that an individual is at risk for developing a pressure ulcer. In response to determining that the individual is at risk for developing a pressure ulcer, the application can alert a manual intervention or trigger an automated intervention between the individual and the surface.