Integrated Bioreactor Consumable with Synchronized Agitators
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Solution Overview
Problem
Current bioreactor systems with multiple small-scale bioreactors are laborious to assemble and maintain, leading to inefficiencies and increased scrappage due to assembly errors, and they lack uniform cell culture conditions, which complicates the identification of suitable cell clones for biopharmaceutical development.
Innovation Solution
A bioreactor system comprising a plurality of bioreaction vessels with integrated agitators and a synchronized drive mechanism, allowing for easier assembly, uniform agitation, and controlled cell culture conditions, with options for a single-piece construction and modular design to reduce manual handling and increase manufacturing efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple small-scale bioreactors are used to screen cell clones, then the ability to mimic larger scale cell culture environments is improved, but the assembly complexity and time required increase significantly
Solution Approach 1:
The patent combines multiple bioreaction vessels and their agitators into a single integrated consumable unit. The bioreaction vessels are arranged in a array format and connected to a common drive mechanism, allowing simultaneous agitation of all vessels through a single motor. This merging approach maintains the ability to screen multiple cell clones while dramatically reducing assembly complexity from manually assembling numerous individual components to simply installing one integrated unit.
Solution Approach 2:
The drive mechanism is designed with universal functionality to simultaneously drive multiple agitators across different bioreaction vessels. A single motor and drive shaft system can rotate multiple agitators in parallel, providing uniform cell culture conditions across all vessels. This multi-functional design eliminates the need for separate drive mechanisms for each vessel, reducing both assembly complexity and the number of moving parts.
2Ease of operation
If individual agitators are manually oriented and connected to external drive mechanisms, then each bioreaction vessel can be stirred, but the assembly process becomes laborious and time consuming
Solution Approach 1:
Multiple agitators are pre-assembled with their drive shafts and connected to a common drive mechanism within the integrated consumable unit. This pre-assembly eliminates the need for operators to manually orient and connect each agitator separately. The entire assembly can be installed as one unit, reducing assembly time from potentially hours to minutes while maintaining full stirring capability for all bioreaction vessels.
Solution Approach 2:
The agitators and drive mechanisms are pre-configured and pre-assembled during manufacturing before reaching the user. The consumable is provided as a pre-assembled integrated unit with allagitators already connected to the drive shaft. This preliminary action transfers the assembly complexity from the operational phase to the manufacturing phase, where it can be efficiently performed by automated assembly equipment rather than manual operators.
3Adaptability or versatility
If small-sized components are used in microscale bioreactor systems, then the scale is appropriate for screening, but the large numbers of small parts lead to increased scrappage due to assembly errors
Solution Approach 1:
The patent integrates multiple small components into a fewer number of larger sub-assemblies. Instead of having numerous separate agitators, lids, and drive components that must be individually assembled, the design combines these into integrated units where components are pre-connected. This reduces the total number of assembly steps and connection points, thereby reducing the probability of assembly errors and subsequent scrappage while maintaining the microscale screening capability.
Solution Approach 2:
The integrated consumable design allows for self-alignment and self-assembly features. Components are designed with built-in alignment features and connection mechanisms that automatically guide proper assembly without requiring complex manual positioning. This self-service approach minimizes assembly errors by making the assembly process more forgiving and less dependent on operator skill, thereby reducing scrappage rates.
4Measurement precision
If uniform cell culture conditions are maintained across all bioreactors, then clone identification accuracy is improved, but the system requires precise synchronization of multiple agitators
Solution Approach 1:
A single drive mechanism serves the universal function of driving all agitators simultaneously. The motor and drive shaft system is designed to rotate multiple agitators in parallel with identical speed and synchronization. This universal drive approach ensures uniform cell culture conditions across all bioreaction vessels while avoiding the complexity of multiple independent drive mechanisms that would require complex synchronization control systems.
Solution Approach 2:
The control functions for multiple agitators are merged into a single drive mechanism. Instead of having separate motors and controllers for each agitator that would require complex synchronization programming, the design combines all agitation functions into one mechanically synchronized system. The mechanical connection through a common drive shaft inherently synchronizes all agitators, eliminating the need for complex electronic synchronization while ensuring uniform cell culture conditions for accurate clone identification.
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 solution significantly reduces assembly time, improves experiment turn-around efficiency, and ensures uniform cell culture conditions across bioreactors, facilitating the identification of suitable cell clones and reducing contamination and wear-related issues.
Implementation Method 1
each bioreaction vessel includes an agitator configured to agitate the contents of the respective bioreaction vessel
Data Source
AI summary
A consumable (1) for a bioreactor system is provided. The consumable comprises a plurality of bioreaction vessels (2), each suitable for holding the contents of a bioreaction. The plurality of bioreaction vessels are provided as a single-piece construction, and each bioreaction vessel includes an agitator (4) configured to agitate the contents of the respective bioreaction vessel. Each agitator has a stirring end which extends into the bioreaction vessel and a drive end.