Cell Culture Incubator Oxygen Pressure Control
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Solution Overview
Problem
Current cell culture systems lack the ability to precisely and independently regulate atmospheric conditions such as oxygen levels and total gas pressure, which are crucial for the growth, viability, and phenotypic expression of various cell populations, limiting their application in research and therapeutic contexts.
Innovation Solution
A cell culture incubator with a gas flow regulation system that includes an oxygen module and a pressure module, allowing for independent control of oxygen levels and total gas pressure within an enclosed environmental chamber, using sensors to monitor and adjust these parameters to achieve specific hypoxic or ambient conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a cell culture system uses a single integrated control mechanism for atmospheric conditions, then the device complexity is reduced, but the ability to precisely and independently regulate oxygen levels and total gas pressure is lost
Solution Approach 1:
The control system is segmented into separate functional modules: an oxygen control module that independently regulates oxygen levels and a pressure control module that independently regulates total gas pressure. This segmentation allows each module to precisely control its specific parameter without interference from the other, resolving the contradiction between system simplicity and regulation precision.
2Device complexity
If the system regulates oxygen levels without independent pressure control, then the device complexity is lower, but the ability to maintain accurate oxygen levels under varying pressure conditions is compromised
Solution Approach 1:
The system separates oxygen regulation from pressure regulation into independent control modules. The oxygen control module can maintain accurate oxygen levels even when pressure conditions vary, because it is not coupled with pressure control mechanisms that could introduce interference or instability.
Solution Approach 2:
The system incorporates feedback mechanisms where sensors continuously monitor oxygen levels and pressure, and the control modules adjust their operations based on this feedback. This ensures that oxygen levels are maintained accurately despite changes in total gas pressure, as each module responds to its own sensor feedback independently.
3Manufacturing precision
If the system uses separate control modules for oxygen and pressure regulation, then the precision of atmospheric parameter control is improved, but the device complexity increases
Solution Approach 1:
While segmentation into separate control modules does increase structural complexity, it enables precise independent regulation of oxygen and pressure parameters. Each module is dedicated to a specific function, which simplifies the control logic within each module even though the overall system has more components.
Solution Approach 2:
The control system is designed with universal interfaces and standardized communication protocols between modules, allowing the separate oxygen control and pressure control modules to work together seamlessly. This multi-functionality approach enables the system to handle multiple atmospheric parameters with a modular architecture that doesn't excessively increase complexity.
Data Source
AI summary
Embodiments of the invention relate to a cell culture incubator having a gas flow regulation system that exerts control over atmospheric parameters within the incubator. Particular embodiments include an enclosed environmental chamber and a control unit operably linked thereto, the control unit having an oxygen module and a pressure module. Control unit embodiments, by way of these modules, are configured to regulate both oxygen partial pressure and total gas pressure within the enclosed environmental chamber. Embodiments of the control unit are adapted (a) to provide instructions to the oxygen module to regulate an oxygen level to an instructed hypoxic oxygen level and (b) to provide instructions to the pressure module to regulate total gas pressure to an instructed positive pressure level. The regulation of oxygen to the instructed hypoxic level prevails despite an oxygen partial pressure-increasing effect of the positive pressure condition associated with the instructed positive pressure level.