Multi-mix Infusion Bag with Segmented Chambers for Sterile Mixing
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Solution Overview
Problem
Conventional infusion bags are limited to single solutions, prone to human error in mixing, contamination risks due to on-site preparation, inconsistent quality, and cumbersome administration, making it difficult to deliver mixed components effectively to patients.
Innovation Solution
A multi-mix infusion bag design with separate upper chambers for fluid agents that can be pre-filled and mixed within the same bag, featuring dispensing devices that transfer agents into a lower chamber for mixing, reducing the risk of contamination and ensuring consistent quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple components are stored separately in the infusion bag, then contamination risk is reduced and quality is ensured, but the device complexity increases due to multiple chambers and transfer mechanisms
Solution Approach 1:
The infusion bag is divided into multiple separate chambers (first chamber, second chamber, third chamber) that are isolated from each other during storage. Each chamber contains a different component (lyophilized cake, diluent, etc.), preventing contamination while maintaining simplicity through a unified bag structure rather than separate containers.
2Reliability
If components are pre-filled in separate chambers, then human error in mixing is reduced, but the ease of operation decreases due to the need for activation and transfer processes
Solution Approach 1:
All components are pre-filled into their respective chambers during manufacturing before the product reaches the user. The lyophilized cake is pre-placed in the first chamber, diluent in the second chamber, and other components in the third chamber. This preliminary preparation eliminates the need for users to manually measure and mix components, reducing human error while the simple activation process (breaking seals) maintains ease of operation.
3Adaptability or versatility
If on-site mixing is performed, then adaptability is improved, but the risk of contamination increases due to non-sterile preparation sites
Solution Approach 1:
The mixing process is extracted from the non-sterile preparation site and moved into the sterile sealed chambers within the infusion bag. Each component remains isolated in its chamber under sterile conditions until the moment of use. The user simply activates the transfer mechanism to mix components inside the sterile bag, eliminating exposure to non-sterile environments while maintaining the flexibility to prepare at the point of care.
Data Source
AI summary
A multi-mix infusion bag is provided. The multi-mix infusion bag includes a lower portion and an upper portion. The lower portion has a lower chamber and the upper portion includes a plurality of chambers. Each chamber is separated and contains a fluid agent. The multi-mix infusion bag is configured to transfer each fluid agent within each chamber of the upper portion into the lower chamber for mixing. The multi-mix infusion bag may include dispensing devices associated with each chamber, wherein the dispensing devices operate to transfer the fluid agents into the lower chamber for mixing.