Compression Bandage Pressure Clip for Real-Time Sub-Bandage Sensing
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Solution Overview
Problem
Current compression bandages for treating venous leg ulcers lack standardized pressure application, leading to ineffective or dangerous pressure levels, and patient non-compliance is a significant issue, hindering healing.
Innovation Solution
A bandage pressure sensing device with a pressure sensing clip comprising an outer arm, inner bandage penetrating arm, and a hinge, equipped with a piezoelectric pressure sensor, allowing for easy, versatile, and accurate pressure measurement and monitoring, including wireless data transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If compression bandage is applied to treat venous leg ulcers, then venous return is promoted and ulcer healing is enhanced, but pressure application is non-standardized leading to ineffective or dangerous pressure levels
Solution Approach 1:
The patent replaces manual pressure application and estimation with electronic pressure sensors that automatically measure and display compression pressure levels. This substitution of mechanical/manual systems with electronic measurement systems ensures standardized, accurate, and reliable pressure application throughout the compression therapy process.
Solution Approach 2:
The patent incorporates real-time pressure feedback through display screens and wireless communication that provide immediate information about compression pressure levels to both clinicians and patients. This feedback mechanism enables continuous monitoring and adjustment to maintain optimal therapeutic pressure, ensuring consistency and reliability in pressure application.
2Productivity
If higher compression pressure is applied to promote ulcer healing, then healing effectiveness is improved, but risk of circulation damage increases when pressure is incorrect
Solution Approach 1:
The real-time pressure feedback system allows immediate detection of pressure deviations from the optimal therapeutic range. When pressure exceeds safe limits or falls below effective levels, the system alerts users to adjust the compression, preventing both under-treatment and over-compression that could cause circulation damage.
Solution Approach 2:
Electronic pressure sensors replace subjective clinical estimation with objective, quantifiable pressure measurements. This enables precise control of compression pressure within the therapeutic window, maximizing healing effectiveness while minimizing the risk of circulation damage through data-driven pressure management.
3Reliability
If compression bandage is applied to treat venous leg ulcers, then venous insufficiency is overcome, but patient non-compliance significantly hinders healing outcomes
Solution Approach 1:
The system provides continuous feedback on actual compression pressure application, creating objective compliance data. Both clinicians and patients can monitor whether therapeutic pressure is being maintained, transforming subjective compliance assessment into objective, measurable information that motivates and verifies proper treatment adherence.
Solution Approach 2:
The pressure sensing device acts as an intermediary that objectively records and communicates compliance information between patient and clinician. This intermediary system provides verifiable data about treatment application, eliminating the need for patient self-reporting and enabling remote monitoring of compliance patterns.
4Measurement precision
If pressure monitoring is implemented to ensure standardized compression therapy, then pressure measurement accuracy is improved, but device complexity increases
Solution Approach 1:
The compression bandage system is designed to serve multiple functions: providing therapeutic compression, measuring pressure, displaying real-time data, and enabling wireless communication. By integrating these functions into a single unified system, the patent avoids the need for separate complex devices while achieving accurate pressure measurement and comprehensive monitoring capabilities.
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
Ensures reliable sub-bandage pressure measurement, facilitates patient compliance monitoring, and provides real-time feedback for optimal compression therapy, improving healing outcomes.
Implementation Method 1
a piezoelectric pressure sensor at the pressure sensing region
Data Source
AI summary
A pressure sensing clip (1) and a system including a bandage (19) for detecting and displaying the pressure applied by a (compression) bandage (19) to a human or animal body in which the pressure sensing clip (1) has an inner bandage penetrating arm (2) and an outer arm (3) hingedly attached to the inner arm (2) at a hinge (4) so that the outer arm (3) is movable between a hingedly closed position with respect to the inner arm (2) and a hingedly open position. The device can be operatively attached to an applied compression bandage, or it can be placed beneath or between the bandage during bandage application so that the bandage covers the sensing part of the device. In the latter application, the ability of the arms of the device to adapt an open configuration allows the bandage to be applied over the inner arm leaving the outer arm to close once the bandage has been applied. The device can receive, store and transmit data to a user.