Fluid Level Detection in Opaque Therapy Canisters
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Solution Overview
Problem
Current negative-pressure therapy systems lack accurate fluid level monitoring in opaque canisters, leading to unnecessary replacements and increased costs, as well as reduced patient satisfaction due to the inability to determine the fill level accurately.
Innovation Solution
A system comprising a therapy unit, a canister with a sensor array integrated into the lid or body, and a controller that communicates with a user interface to provide real-time fluid level monitoring, capable of determining the fill level regardless of the canister's orientation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If opaque canisters are used in negative-pressure therapy systems, then patient privacy and aesthetic appearance are improved, but fluid level monitoring capability deteriorates
Solution Approach 1:
The patent replaces visual inspection (mechanical/optical method) with electronic sensing. Sensors detect fluid levels through the opaque canister wall using electrical or electromagnetic fields, substituting the need for visual transparency while maintaining monitoring capability.
Solution Approach 2:
The patent introduces sensors as an intermediary between the fluid and the monitoring system. These sensors act as mediators that convert fluid level information into electrical signals that can be processed and displayed, enabling monitoring through opaque materials.
2Device complexity
If manual fluid level checking is used in opaque canisters, then device complexity is reduced, but productivity and resource optimization deteriorate due to unnecessary replacements
Solution Approach 1:
The system performs self-monitoring of fluid levels automatically. The sensors continuously detect fluid levels and the controller manages the canister replacement process based on sensor data, eliminating the need for manual intervention and enabling proactive resource management.
Solution Approach 2:
The patent implements a feedback loop where sensors continuously monitor fluid levels and provide real-time data to the controller. This feedback enables the system to make informed decisions about canister replacement timing, optimizing resource utilization and preventing unnecessary replacements.
3Measurement precision
If sensors are integrated into the canister structure, then measurement precision of fluid level is improved, but device complexity increases
Solution Approach 1:
The patent merges the sensor components with the canister structure itself. The sensors are integrated into the canister wall or lid, combining the storage function with the sensing function into a single unified component, thereby reducing overall system complexity.
Solution Approach 2:
The canister structure serves multiple functions: it provides fluid storage, maintains structural integrity under negative pressure, and incorporates sensing capability for fluid level detection. This multi-functionality reduces the need for separate components and simplifies the overall system.
Data Source
AI summary
Apparatuses, systems, and methods for determining a value of a parameter associated with a canister are described. The system includes a therapy unit, a canister, and at least one sensor. The therapy unit includes at least one wall with an interior surface and an exterior surface and a controller. The canister includes a canister body and a lid configured to be coupled to the canister body to form a sealed interior. The lid is further configured to be coupled to the exterior surface of the at least one wall of the therapy unit. The at least one sensor is communicatively coupled to the controller and is configured to generate a signal indicative of a parameter associated with the canister. The controller is configured to receive the signal from the at least one sensor and to determine a value of the parameter associated with the canister.