Bioprocessing Integrity Verification via Mass Balancing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing bioprocessing systems for manufacturing CAR T cells are complex, costly, inflexible, and prone to workflow bottlenecks due to high human touchpoints, which increases the risk of contamination and reduces manufacturing efficiency.
Innovation Solution
A bioprocessing system with modular design, including a centrifugal processing chamber, heating/cooling mixing chamber, and magnetic isolation module, utilizing disposable kits and automated control to streamline cell isolation, activation, genetic modification, and expansion processes, allowing for parallel processing of multiple samples and reducing human intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing bioprocessing systems are used with many human touchpoints, then operational flexibility is maintained, but contamination risk increases and manufacturing efficiency decreases
Solution Approach 1:
The system is divided into separate modular components including a bioprocessing system, a verification system, and disposable kits. Each module can be independently processed, sterilized, and assembled, reducing cross-contamination risks while maintaining operational flexibility through modular reconfiguration.
Solution Approach 2:
The patent employs disposable kits and single-use bioprocessing components that are discarded after one use. This eliminates the need for extensive sterilization and cleaning procedures between uses, significantly reducing contamination risk while maintaining high manufacturing efficiency through rapid setup for next production run.
2Reliability
If automated systems are implemented to reduce human touchpoints, then contamination risk decreases, but system complexity and cost increase
Solution Approach 1:
The verification system automatically performs mass balancing calculations and integrity verification without requiring manual intervention. The system self-monitors process parameters, automatically detects deviations, and generates verification reports, reducing both human touchpoints and operational complexity through automated self-verification.
Solution Approach 2:
The verification system is designed to work with multiple different bioprocessing configurations and disposable kit types through a universal interface. The mass balancing technique can verify integrity across various process steps (mixing, separation, formulation) using the same core verification platform, reducing overall system complexity.
3Productivity
If manual processes are used for cell processing, then system simplicity is maintained, but manufacturing efficiency and productivity decrease
Solution Approach 1:
The bioprocessing system enables continuous processing through automated cell culture expansion, continuous harvesting, and uninterrupted formulation steps. The system maintains continuous operation without manual intervention between process steps, significantly improving manufacturing efficiency while the automated control system manages the complexity of continuous monitoring and adjustment.
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
The system enhances manufacturing efficiency, reduces contamination risks, and improves flexibility by automating key processes, enabling simultaneous expansion of multiple cell therapies while maintaining regulatory compliance and patient safety.
Implementation Method 1
centrifugal processing chamber
Implementation Method 2
magnetic isolation module
Data Source
AI summary
A method for assessing the integrity of a bioprocessing system includes the steps of determining a mass of a first container, transferring a volume of fluid from the first container to a second container, determining the mass of the second container, comparing the mass of the first container with the mass of the second container, and, if the difference between the mass of the first container and the mass of the second container exceeds a threshold, generating a notification indicating that a leak is present.