Ported Parallel Plate Flow Chamber for Dynamic Cell Culture
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Solution Overview
Problem
Current cell culture methods under static conditions fail to accurately mimic dynamic tissue environments, limiting the investigation of fluid flow's effects on cell behavior and pharmaceutical efficacy, as they lack the ability to simulate physiological forces such as blood flow, which are crucial for understanding heart disease and other physiological processes.
Innovation Solution
The development of a flow chamber with variable geometries, obstacles, and adjustable flow conditions to create tunable fluid dynamic environments, allowing for the culture and testing of cells under conditions that mimic physiological forces, including the use of septa for fluid communication and ports for reagent addition, and designed to be compatible with standard multiwell plate formats for ease of use and automation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If static culture conditions are used, then experimental simplicity is maintained, but the ability to mimic physiological fluid flow environments is lost
Solution Approach 1:
The flow chamber enables dynamic fluid flow conditions through adjustable pumps and flow control systems, allowing transition from static to dynamic environments. The chamber design incorporates inlet/outlet ports and flow channels that facilitate controlled fluid movement over cell cultures, mimicking physiological conditions while maintaining experimental controllability.
2Adaptability or versatility
If custom flow chamber fabrication is required, then flow conditions can be optimized, but device complexity and ease of manufacture deteriorate
Solution Approach 1:
The flow chamber is divided into modular components including the chamber body, inlet/outlet ports, flow channels, and sealing elements. This segmentation allows independent optimization of each component for specific flow conditions while simplifying manufacturing and assembly. Standardized interfaces enable reconfiguration for different experimental requirements without complete custom fabrication.
Solution Approach 2:
The flow chamber design incorporates universal features such as standardized port configurations, adjustable flow rates, and compatible sealing mechanisms that can accommodate various cell culture types and flow conditions. This multi-functionality reduces the need for custom fabrication while maintaining optimization capabilities for different physiological scenarios.
3Manufacturing precision
If flow chambers are designed for high precision flow control, then physiological accuracy is improved, but device complexity increases
Solution Approach 1:
The flow chamber achieves precise flow control through adjustable parameters such as flow rate, pressure differential, and channel geometry rather than complex structural features. By varying these parameters, the system can accurately simulate different physiological flow conditions without requiring intricate chamber designs, thereby maintaining manufacturing precision while controlling device complexity.
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 the simulation of physiological fluid flow conditions, allowing for the assessment of cellular responses to different shear stresses and flow patterns, thereby providing a more relevant model for in vivo physiology and improving the identification of pharmaceutical candidates by mimicking the body's environment in cell culture experiments.
Implementation Method 1
assessment of cellular responses to different shear stresses and flow patterns
Data Source
AI summary
Flow chambers are provided. In some embodiments, the flow chambers include an inner panel having at least one flow channel having an inlet/outlet opening on each end thereof formed therein, wherein the inlet/outlet openings are adapted to releasably receive a septum; one or more ports adapted to releasably receive a plug and for at least liquid communication with the at least one flow channel, and an outer frame that defines an outer portion of the at least one flow channel and that defines a perimeter of the flow chamber. In some embodiments, the flow chamber has overall dimensions of a standard multiwell plate and the at least one flow channel is located in a position that corresponds to a column location of the standard multiwell plate. Also provided are methods for producing the presently disclosed flow chambers and employing the same to assay biological features of cultured cells and/or tissues.