API Seed Crystal Transfer Station With Sealed Disposable Liners
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Solution Overview
Problem
The storage, transfer, and dispensing of active pharmaceutical ingredients (APIs) require extensive protectionary precautions due to concerns about operator health and safety, as well as maintaining product purity, which often necessitate clean room protocols and personal protective equipment (PPE), limiting flexibility and increasing the complexity of the process.
Innovation Solution
A system and method for transferring APIs using a flexible feed sleeve and piping assembly that maintains a sealed conduit to prevent contamination, allowing for transfer without clean room environments and PPE, featuring a flexible conduit liner that prevents contact with the piping assembly surfaces and allows for easy disposal of contaminated components without releasing residual powder into the atmosphere.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If APIs are stored and transferred in traditional open systems, then operators can access and dispense materials easily, but product contamination and cross-contamination risks increase significantly
Solution Approach 1:
The transfer station is divided into separate sealed modules: a product receive chamber for receiving bulk API containers, a transfer chamber for controlled dispensing, and a product dispensing chamber for filling smaller containers. Each chamber is independently sealed, allowing operators to access control interfaces without breaching containment, thus maintaining product purity while enabling operation.
Solution Approach 2:
A sealed transfer mechanism acts as an intermediary between the product receive chamber and dispensing chamber. This intermediary system includes sealed conveyors or pneumatic transfer lines that move API material without direct operator contact, preventing contamination while allowing easy operation through automated controls.
2Reliability
If clean room protocols and PPE are used to protect API purity, then product contamination is prevented, but operational complexity and time requirements increase
Solution Approach 1:
The system employs disposable sealed liners or bags within the transfer chamber that are discarded after a single use or product changeover. This eliminates the need for time-consuming decontamination procedures while maintaining product purity, as each new product is transferred in a fresh sealed liner.
Solution Approach 2:
The transfer station maintains an inert or controlled atmosphere within sealed chambers during transfer operations. This controlled environment prevents contamination without requiring extensive clean room protocols, reducing operational time while ensuring product purity through atmospheric control rather than facility-wide clean room requirements.
3Reliability
If a completely closed transfer system is used to prevent contamination, then product purity is maintained, but device complexity increases
Solution Approach 1:
The transfer station uses a nested chamber structure where smaller sealed compartments are positioned within larger sealed chambers. The product receive chamber, transfer chamber, and dispensing chamber are arranged in a nested or sequentially connected configuration, each with its own seal but integrated into a compact overall structure. This reduces device complexity by space-efficient arrangement while maintaining high containment levels.
Solution Approach 2:
The system employs flexible sealed liners or thin-film barriers within the transfer chambers that can be easily installed and removed. These flexible membranes provide effective seals preventing contamination while allowing the chambers to be accessed for liner replacement without complex disassembly, thus reducing operational complexity while maintaining containment integrity.
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 achieves high containment levels of APIs, reducing the need for extensive decontamination and minimizing cross-contamination risks, while allowing for flexible and efficient transfer operations without the need for clean room protocols or full PPE, thereby enhancing operational safety and reducing processing complexity.
Implementation Method 1
The flexible conduit liner is positioned such that a biological or pharmaceutical product flowing through the piping assembly only contacts the flexible conduit liner and prevents contact with a surface of the piping assembly
Implementation Method 2
A system and method for transferring APIs using a flexible feed sleeve and piping assembly that maintains a sealed conduit to prevent contamination
Implementation Method 3
The biological or pharmaceutical product can be in the form of a flowable powder, which in some examples can flow as directed by gravity
Data Source
AI summary
The present disclosure is directed to a big-bag transfer station for API seed crystals. The transfer station may permit the filling of smaller containers, such as bags or pouches, from a large container, such as a big bag. The transfer station may permit the transfer without contaminating the atmosphere of the room in which the station is housed. Additionally, the transfer station may limit cross-contamination between filling cycles by employing single-use liners.