High-Throughput Mechanoporation Unit for Cell Therapy Delivery
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional methods for intracellular delivery, such as microinjection, electroporation, chemical poration, and sonoporation, face challenges with low delivery efficiency and cell viability, especially for large molecules and particles, and are unable to process cells at high rates, volumes, and amounts.
Innovation Solution
A high-throughput, high-volume mechanoporation unit is developed, featuring a pre-processing media reservoir, a processing stack with end gaskets and a processing unit, and a stack support. The unit applies pressure to media, forcing it through gaps in processing channels, inducing mechanoporation of cells.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional delivery methods (microinjection, electroporation, chemical poration, sonoporation) are used, then intracellular delivery can be achieved, but delivery efficiency and cell viability are low, especially for large molecules and particles
Solution Approach 1:
The patent replaces conventional mechanical delivery methods (microinjection, electroporation, chemical poration, sonoporation) with a flow-based mechanoporation system. Cells are passed through microfluidic channels with controlled flow rates and pressure gradients, creating mechanical stress that induces pores in the cell membrane for payload delivery. This substitution enables high-throughput processing while maintaining high delivery efficiency and cell viability for large molecules and particles.
Solution Approach 2:
The patent utilizes parameter changes in flow rate, pressure, and channel geometry to optimize cell passage through the microfluidic device. By controlling the Reynolds number, pressure differential, and channel dimensions, the system achieves efficient mechanoporation for large payloads while maintaining cell health. The flow regime and pressure parameters are adjusted to create optimal mechanical stress for pore formation without causing excessive cell damage.
2Reliability
If conventional delivery methods are used, then intracellular delivery can be achieved, but cells require individual handling which significantly slows down processing speeds
Solution Approach 1:
The patent segments the cell population into multiple parallel streams within the microfluidic device, allowing simultaneous processing of thousands of cells. The device incorporates multiple channels and parallel flow paths that enable bulk handling of cell suspensions rather than individual cell manipulation. This segmentation approach maintains delivery efficiency for each cell while dramatically increasing overall processing speed and throughput.
Solution Approach 2:
The system enables cells to self-align and self-position within the microfluidic channels through flow dynamics and pressure gradients. Cells automatically navigate the channels and undergo mechanoporation without requiring external manipulation or individual handling. This self-service approach eliminates manual intervention and automates the delivery process, significantly improving processing speed while maintaining delivery reliability.
3Productivity
If high-throughput processing is implemented, then processing speed increases, but consistency and scalability of cell therapy manufacturing are challenged
Solution Approach 1:
The patent designs a universal microfluidic platform that can process various cell types, payloads, and volumes through a single standardized device architecture. The device incorporates adjustable parameters (flow rate, pressure, channel geometry) that can be optimized for different applications while maintaining the same basic mechanism. This universality enables consistent results across different cell therapy batches and scales the process from research to manufacturing without requiring device redesign.
Solution Approach 2:
The system incorporates feedback mechanisms to monitor and control key parameters such as flow rate, pressure differential, and cell passage rate. Real-time feedback allows dynamic adjustment of operating conditions to maintain consistent mechanoporation efficiency across high-throughput processing. This feedback control ensures reproducible results and facilitates scalability by allowing the system to self-regulate under varying production conditions.
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 enables scalable and cost-effective cell therapy manufacturing by improving throughput, consistency, and reducing costs while maintaining high cell viability and efficient payload delivery.
Implementation Method 1
When pressure is applied to the media reservoir, the media is forced through the gaps in the processing channels, inducing the mechanoporation of cells
Data Source
AI summary
Described herein are high-throughput, high-volume mechanoporation systems and methods for intracellular payload delivery, enabling scalable and cost-effective cell therapy manufacturing. The apparatus includes a pre-processing media reservoir with a media cavity and a processing stack comprising two end gaskets and a processing unit. The processing unit features inlet and outlet slots, processing channels fluidically connecting them, and ridges forming gaps within the channels. The inlet slots align with gasket slots in the end gasket, allowing media to flow toward the ridges. When pressure is applied to the media reservoir, the media is forced through the gaps in the processing channels, inducing mechanoporation of cells. This system automates and streamlines cell engineering, improving throughput, consistency, and scalability while reducing costs, aligning with the needs of advanced cell therapy production.