Drape Leak Localization in Reduced Pressure Wound Therapy
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Solution Overview
Problem
Clinicians face difficulties in locating and correcting fluid leaks at the interface between a drape and tissue site in reduced pressure delivery systems, which impairs the effectiveness of the treatment by reducing the system's performance.
Innovation Solution
A system and method that includes a fluid sensor connected to a processing unit and an electronic display, allowing for a fluid leak location mode to be activated, generating alarms and graphical user interfaces to help clinicians identify and correct leaks by altering audible sounds in response to fluid parameter changes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a drape is used to cover the manifold and form a seal with surrounding tissue, then reduced pressure can be maintained at the tissue site, but fluid leaks may occur at the drape-tissue interface which are difficult to locate
Solution Approach 1:
The system incorporates fluid sensors that continuously monitor for fluid leaks and provide real-time feedback to the control circuit. When a leak is detected, the system activates audible indicators that provide feedback to guide the clinician to the leak location, creating a closed-loop feedback system that resolves the detection difficulty.
Solution Approach 2:
The patent introduces an intermediary detection system consisting of fluid sensors and audible indicators that mediate between the fluid leak (which is difficult to detect directly) and the clinician. The sensors act as intermediaries that convert the invisible fluid leak into detectable signals, solving the detection difficulty.
2Productivity
If clinicians manually search for fluid leaks at the drape interface, then treatment can continue, but system performance is reduced and treatment effectiveness is compromised
Solution Approach 1:
The system performs self-diagnosis by automatically detecting fluid leaks through embedded sensors and autonomously guiding the clinician to the leak location using audible indicators. This self-service capability eliminates the need for manual searching, maintains system performance, and ensures treatment effectiveness without clinician intervention in the detection process.
Solution Approach 2:
The patent replaces the manual mechanical search process with an automated sensor-based detection system. The fluid sensors and electronic indicators substitute for manual inspection, maintaining reliability while preserving productivity by enabling immediate detection and correction of leaks without disrupting treatment flow.
3Reliability
If fluid leaks are not corrected promptly, then the drape seal remains intact, but reduced pressure delivery is compromised and treatment potential is not realized
Solution Approach 1:
The system performs preliminary detection of fluid leaks before they significantly compromise treatment effectiveness. By continuously monitoring with fluid sensors and immediately alerting clinicians to leak locations, the system enables prompt correction while the drape seal is still largely intact, preserving treatment potential without sacrificing seal reliability.
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 precise location and correction of fluid leaks, ensuring optimal therapeutic results by maintaining reduced pressure and preventing fluid leaks from compromising treatment efficacy.
Implementation Method 1
The fluid sensor may be configured to sense a fluid parameter within the conduit, and to generate a fluid sensor signal in response to sensing the fluid parameter. The fluid sensor may alter the fluid sensor signal in response to sensing that the fluid parameter within the conduit changes.
Data Source
AI summary
A system and method for performing tissue therapy may include applying a reduced pressure to a tissue site, sensing a fluid parameter being applied to the tissue site, generating a fluid sensor signal in response to sensing the fluid parameter, and altering the fluid sensor signal in response to sensing that the fluid parameter changes. A fluid leak location mode may be entered. In response to the fluid leak location mode being entered, a graphical user interface that provides for fluid leak location functionality may be displayed. In one embodiment, the fluid leak location mode may be automatically entered in response to the sensor signal crossing a threshold value. Additionally, an alarm signal may be generated in response to determining that the fluid sensor signal crosses the threshold value.