Walk-away Time Estimation for Diagnostic Laboratory Analyzers
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Solution Overview
Problem
Diagnostic laboratory technicians face challenges in determining and managing 'walk-away time' (WAT) for analyzers, especially in large systems with multiple devices, due to changing test demands and the need for efficient consumable and maintenance item management to avoid testing stoppages.
Innovation Solution
A system and method that utilize a walk-away time estimation module to calculate and display the estimated WAT for analyzers based on test demand and the status of consumable and maintenance items, allowing technicians to focus on other tasks while minimizing work stoppages by identifying additional actions to increase WAT.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If technicians manually monitor consumable items and maintenance items for each analyzer, then they can ensure continuous operation, but the time required for monitoring and managing increases significantly
Solution Approach 1:
The system automatically monitors consumable item levels and maintenance item status without requiring technician intervention. The analyzer self-reporting mechanism and automated tracking enable the system to service itself, eliminating manual monitoring while ensuring continuous operation.
Solution Approach 2:
The system implements continuous feedback loops where the analyzer reports consumable item levels and maintenance status back to the monitoring system. This automated feedback enables real-time tracking and alerting, ensuring reliable operation while minimizing technician time investment.
2Productivity
If technicians frequently check and manage consumable items, then testing stoppages are minimized, but productivity decreases due to frequent interruptions
Solution Approach 1:
The system performs preliminary monitoring and tracking of consumable item levels continuously in the background. By preparing advance alerts and notifications before items are depleted, the system prevents testing stoppages without requiring frequent manual checks, thus maintaining both productivity and reliability.
3Measurement precision
If the system tracks detailed status of each consumable and maintenance item, then accurate walk-away time estimation is achieved, but system complexity increases
Solution Approach 1:
The system uses a unified multi-functional module that handles tracking of multiple consumable item types, maintenance items, and walk-away time calculations simultaneously. This universal approach consolidates what would otherwise require separate tracking systems, reducing overall complexity while maintaining precise measurement capabilities.
4Productivity
If technicians focus on other tasks instead of monitoring analyzers, then overall laboratory efficiency increases, but the risk of running out of consumable items increases
Solution Approach 1:
The monitoring system operates autonomously without requiring technician attention, automatically tracking consumable levels and generating alerts. This enables technicians to confidently focus on other value-added tasks while the system self-monitors to ensure consumable availability and prevent testing interruptions.
Data Source
AI summary
A status visualization method of a diagnostic laboratory system. The status visualization method includes receiving, at a system controller, computer-readable data comprising analyzers included within the diagnostic laboratory system, and test demand for types of tests and number of the tests to be performed on samples by the analyzers, wherein the analyzers each include consumable items and maintenance items. The method further includes determining, via a walk-away time estimation module executing on the system controller, an estimated walk-away time for the analyzers based upon the test demand and status of the consumable items and maintenance items. Diagnostic laboratory systems with walk-away time estimation are disclosed, as are other aspects.