Bulk Liquid Inventory Management for Clinical Analyzers
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Solution Overview
Problem
Automated clinical analyzers face challenges such as high waste generation, reagent and sample usage, limited modularity, maintenance requirements, and inefficient inventory management, which hinder laboratory efficiency and increase operational costs.
Innovation Solution
A system for managing bulk liquids in automated clinical analyzers, featuring local reservoirs, radio frequency identification technology for tracking, and a controller for monitoring liquid levels, along with a mechanism for automated loading and dispensing, reducing labor and operational costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If manual inventory management is used, then system complexity is reduced, but labor requirements and time consumption increase
Solution Approach 1:
The system enables self-service inventory management where the analyzer automatically monitors bulk liquid levels, detects when replenishment is needed, and notifies users without requiring continuous manual intervention. The automated monitoring system performs inventory management functions autonomously, reducing labor requirements while maintaining appropriate system complexity through specialized sensors and control mechanisms.
2Measurement precision
If frequent manual monitoring of bulk liquids is performed, then inventory accuracy is improved, but labor time and operational costs increase
Solution Approach 1:
The patent replaces manual mechanical monitoring with automated electronic sensors and detection systems that continuously or periodically measure bulk liquid levels. This substitution eliminates the need for frequent manual inspection while providing continuous accurate monitoring data, reducing both time loss and labor requirements while maintaining measurement precision through electronic sensing technologies.
3Productivity
If bulk liquid containers are frequently replaced, then liquid availability is improved, but waste generation and operational costs increase
Solution Approach 1:
The system implements feedback mechanisms through level sensors and monitoring systems that detect when bulk liquid containers are approaching empty levels. This feedback information is used to schedule timely replenishments before liquids are completely depleted, ensuring continuous availability while minimizing unnecessary replacements and associated waste generation through optimized inventory management decisions.
Data Source
AI summary
A system for managing bulk liquids for an automated clinical analyzer. The system comprises (a) at least one local reservoir for storing a bulk liquid for impending use, (b) at least one container for holding a bulk liquid before the liquid is transferred to a local reservoir, and (c) a controller for monitoring the level of a bulk liquid in a local reservoir. The local reservoir for storing a bulk liquid for impending use can be a trough. The use of troughs for storing a reagent, a diluent, or some other treating agent for impending use enables an aspirating/dispensing device having a plurality of pipettes to aspirate and dispense the reagent, diluent, or other treating agent at a high rate of throughput. The controller can monitor the level of a liquid in (a) a local reservoir for storing a bulk liquid for imminent use and the level of liquid in a (b) container for holding a bulk liquid before the liquid is transferred to a local reservoir. In the laboratory automation system described herein, the container for holding a bulk liquid before the liquid is transferred to a local reservoir can be a bottle. Other desirable features in the system include, but are not limited to, pump(s), valves, liquid level sensors.