Pressure Monitoring Cushion for Continuous Pressure Sore Risk Tracking
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Solution Overview
Problem
Existing pressure monitoring systems fail to provide continuous, unobtrusive, and cost-effective monitoring of pressure distribution over time, leading to uncertainty in managing pressure sore risk, as they often require manual intervention and cannot adapt to changing patient weight or usage patterns.
Innovation Solution
A pressure monitoring device with pressure sensing means, data logger, and communication means that records pressure data over time, transmitting it to an external device for analysis, allowing proactive management of pressure sore risk by identifying excessive pressure thresholds and usage patterns.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If pressure sensors are used to detect pressure at discrete points, then pressure measurement capability is provided, but continuous monitoring of pressure distribution and user activity is not achieved
Solution Approach 1:
The pressure monitoring device divides the sensing area into multiple discrete pressure sensing points or zones, each capable of independent measurement. This segmentation allows the system to capture pressure distribution across the entire surface by aggregating data from multiple localized sensors, thereby achieving continuous monitoring information without requiring a single complex sensor.
Solution Approach 2:
The system transitions from measuring only pressure magnitude at discrete points to capturing pressure distribution across a two-dimensional surface area. By adding the spatial dimension to the measurement, the device provides comprehensive pressure mapping information that reveals patterns and trends invisible to single-point sensors.
2Loss of information
If multiple pressure sensors and continuous monitoring are implemented, then comprehensive pressure data is obtained, but device complexity increases
Solution Approach 1:
The patent combines multiple pressure sensing elements, data logging functionality, and communication capabilities into a single integrated pressure monitoring device. This merging approach consolidates what would otherwise be separate complex systems into one unified device, reducing overall system complexity while maintaining comprehensive monitoring capabilities.
Solution Approach 2:
The pressure monitoring device is designed to perform multiple functions: sensing pressure at multiple points, continuously logging data over time, transmitting information wirelessly, and potentially integrating with existing healthcare systems. This multi-functionality eliminates the need for separate devices for each task, simplifying the overall monitoring system while providing comprehensive pressure sore risk management.
3Measurement precision
If discrete pressure snapshots are taken, then momentary pressure assessment is possible, but proactive pressure sore risk management is hindered
Solution Approach 1:
The system implements continuous pressure monitoring that operates without interruption, constantly capturing pressure data across all sensing zones. This continuous action allows the system to detect pressure changes in real-time, identify emerging pressure sore risks before they become critical, and enable proactive intervention rather than reactive response.
Solution Approach 2:
The pressure monitoring device incorporates feedback mechanisms that continuously analyze pressure data and provide information about pressure sore risk levels. This feedback loop enables timely alerts and interventions when problematic pressure patterns are detected, allowing caregivers to take preventive action before pressure ulcers develop, thereby reducing response time and improving patient outcomes.
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
Enables continuous, unobtrusive pressure monitoring, reducing the risk of pressure sores by providing actionable data for clinicians and patients, facilitating timely interventions and improving patient care.
Implementation Method 1
a pressure sensing means for sensing pressure exerted by the person
Data Source
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AI summary
A first aspect is provided by a pressure monitoring cushion (10) for supporting a seated or reclined person, the cushion comprises a pressure sensing means (22) for sensing a pressure exerted by a person on the cushion; a data logger (25) for monitoring and recording pressure measurements from the pressure sensing means (22); and a two- way communication means (26). In another aspect a system for monitoring pressure is provided. The system comprises a pressure monitoring cushion with a data logger (25) recording pressure measurements from pressure sensing means (22), and a two-way communication means (26) for selectively establishing a connection to an external device (42).