Modular Cell Culture Bioreactor with Magnetic Caps
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Solution Overview
Problem
Existing cell culture bioreactors lack the ability to view cell cultures without interrupting the culture process and often require complex setups for separate and independently operable chambers with reliable hydraulic sealing.
Innovation Solution
A modular bioreactor with separate, optically accessible chambers featuring a transparent main body, glass slide, and elastomeric layer with magnetic caps for self-aligning and sealing, allowing independent operation and perfusion of each chamber without interrupting the culture.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If a transparent portion is added to allow viewing, then optical accessibility is improved, but the device complexity increases
Solution Approach 1:
The cap structure serves multiple functions: it provides hydraulic sealing through the elastomeric layer, enables optical viewing through the transparent glass slide, and maintains cultural isolation through magnetic attachment. This multi-functionality resolves the contradiction by integrating viewing capability without adding separate complex components.
2Adaptability or versatility
If separate chambers with independent perfusion are implemented, then adaptability is improved, but the device complexity increases
Solution Approach 1:
The bioreactor is divided into multiple independent chambers, each with its own cap that can be attached and detached separately. This segmentation allows independent perfusion and observation of each chamber while maintaining a relatively simple overall structure through modular design.
Solution Approach 2:
Each cap is designed as a universal module that can be attached to any chamber, providing both sealing and viewing functions. This modular universality enables independent chamber operation without requiring complex customized components for each chamber.
3Reliability
If magnetic caps with elastomeric layers are used for sealing, then reliability of hydraulic seal is improved, but the ease of manufacture decreases
Solution Approach 1:
The cap assembly uses composite materials: an elastomeric layer for flexible sealing, a glass slide for optical transparency, and a magnetic component for attachment. While this composite structure improves sealing reliability, it does increase manufacturing complexity compared to single-material solutions.
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
Enables continuous cell culture observation using microscopy and allows for separate and independent perfusion of chambers, maintaining a hydraulic seal while being cost-effective and suitable for various cell types and geometries, including 2D and 3D cultures.
Implementation Method 1
each of said plurality of caps comprises a circular magnet in the shape of a washer. The upper slide is made of glass and the main body is made of transparent plastics
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
A device for cell culture comprising: a main body (11); said main body (11) comprises a plurality of circular portions (21-23); said device comprises a plurality of caps (51-53); each of said plurality of caps (51-53) comprises a base structure (58) having a circular hole (57), housing an upper slide (54) and an elastomeric layer (56) secured to said slide (54); said elastomeric layer (56) has a rectangular hole (59); said plurality of caps (51-53) being adapted to cooperate with said plurality of circular portions (21-23); each of said plurality of circular portions (21-23) each comprise an inlet hole (64-66) and an outlet hole (67-69) aligned with the long side of said rectangular hole (59), to perfuse the culture chamber (12-14) located in said rectangular hole (59) of said elastomeric layer (56).