Automated Single-Use Filter Conditioning System
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Solution Overview
Problem
There is a need for improved methods to condition single-use filters in biopharmaceutical applications for reliable and sterile filtration, as manual interaction and unsuitable setups can lead to filter failures and reduced performance.
Innovation Solution
A fluid filtration system with a workstation, pump, single-use filter, fluid supply conduit, vent conduit, and control unit, which includes a processor and filter conditioning program to automate filter priming, integrity testing, and pressurization, ensuring reliable and sterile filter operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual filter priming and conditioning operations are performed, then the filter can be prepared for use, but manual errors occur and filter performance is reduced
Solution Approach 1:
The system enables automated filter priming and conditioning operations through a control unit that automatically performs priming, venting, and pressurization sequences without requiring manual intervention. The control unit coordinates valves, pumps, and sensors to complete the entire filter preparation process autonomously, eliminating human error while maintaining operational simplicity.
2Reliability
If automated filter conditioning is implemented, then manual errors are reduced, but system complexity increases
Solution Approach 1:
The control unit integrates multiple control functions into a single centralized device that manages priming valves, vent valves, pumps, and sensors through unified programming. This consolidation reduces the apparent system complexity by combining what could be separate control systems into one coordinated unit, while still providing automated filter conditioning.
Solution Approach 2:
The system includes pre-programmed priming and conditioning sequences that are automatically executed when a filter is installed. The control unit contains stored procedures for priming, venting, and pressurization that run automatically without requiring complex real-time decision-making, simplifying the control logic while ensuring consistent filter preparation.
3Reliability
If proper filter priming is performed, then filter performance is ensured, but additional time and steps are required
Solution Approach 1:
The automated priming system performs continuous fluid circulation through the filter without interruption, maintaining constant flow to ensure complete wetting and conditioning of the filter media. The control unit coordinates valves and pumps to eliminate idle time between priming steps, ensuring continuous productive action throughout the conditioning process.
Solution Approach 2:
The system uses periodic venting and pressurization cycles during priming to accelerate fluid distribution throughout the filter. The control unit automatically sequences opening and closing of vent valves at optimal intervals, creating rhythmic pressure variations that speed up the priming process while ensuring thorough filter conditioning.
Data Source
AI summary
Embodiments of a fluid filtration system constructed in accordance with principles of the present disclosure can be used to automatically condition the single use filter for efficient use thereof. For example, in embodiments, the fluid filtration system can include a filter conditioning program containing at least one of a filter priming module, a filter flushing module, and a filter pressurizing module.