Infusion Fluid Level Detection via Optical Refraction
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Solution Overview
Problem
Current infusion systems require constant manual monitoring to prevent fluid depletion, leading to manpower inefficiencies and potential patient care issues, as more than 50% of patient complaints are related to infusion procedure problems.
Innovation Solution
A system using light sources and sensors to monitor fluid levels in infusion bags, with a control system that triggers warnings and reports when fluid levels drop, reducing the need for continuous manual monitoring by detecting fluid presence or absence through light refraction and activating alarms or notifications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If constant manual monitoring of infusion systems is implemented, then patient care quality is improved, but manpower requirements and operational costs increase significantly
Solution Approach 1:
The infusion monitoring system performs self-monitoring through automated light-based detection mechanisms. The system independently tracks fluid levels and flow conditions without requiring continuous human intervention, thereby maintaining high patient care quality while eliminating the need for constant manual monitoring by nursing staff
Solution Approach 2:
The patent replaces manual monitoring mechanisms with an optical detection system using light sources and sensors. This substitution automates the monitoring process, allowing the system to detect fluid levels and flow conditions through light refraction and absorption principles, thereby improving reliability without increasing manpower requirements
2Measurement precision
If manual monitoring frequency is increased to prevent infusion issues, then detection accuracy is improved, but time consumption and operational inefficiency increase
Solution Approach 1:
The monitoring system operates continuously without interruption, maintaining constant surveillance of fluid levels and flow conditions. The light sources and sensors work continuously to detect changes in real-time, ensuring high measurement precision while eliminating the need for periodic manual checks that consume nursing time
Solution Approach 2:
The system replaces time-consuming manual monitoring with automated optical detection. The light-based sensing mechanism continuously measures fluid presence and levels without requiring nurse intervention, thereby maintaining high detection accuracy while reducing time consumption significantly
3Productivity
If automated light-based monitoring system is implemented, then manpower requirements are reduced, but device complexity increases
Solution Approach 1:
The system uses light as an intermediary to detect fluid levels and flow conditions. The light sources and sensors act as mediators between the fluid and the detection mechanism, enabling automated monitoring without complex mechanical or electronic components. This intermediary approach simplifies the overall system while maintaining high manpower efficiency
Solution Approach 2:
The patent replaces complex manual monitoring procedures with a relatively simple optical detection system. The light-based mechanism uses fundamental optical principles (refraction, absorption) to detect fluid conditions, avoiding the need for complex mechanical sensors or sophisticated electronic systems, thereby achieving manpower reduction without excessive 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
This system automates fluid level monitoring, reducing manpower costs and improving nurse efficiency by providing timely alerts and reports, ensuring consistent infusion flow and minimizing human error, thus enhancing patient care.
Implementation Method 1
When fluid is present in a line of travel of light from the first light source, the light is diffracted and detected by a first one of the light sensors
Implementation Method 2
When fluid is not present in the line of travel of light from the first light source, the light is not diffracted and is detected by a second one of the light sensors
Data Source
AI summary
This disclosure addresses a monitoring device for an infusion system. The device is typically used with an infusion device utilizing a clear reservoir bag holding the supplied fluid. The device uses light sources and sensors to accurately determine the level of the fluid, the amount of fluid being supplied, and when replenishment of the fluid is required. In addition, the device may utilize ultrasound sources and sensors as backups to the light system. The device further includes a data processing module that gathers, stores, and reports data relative to the fluid flow properties of the infusion device.