Multiple Rack Apparatus for Continuous Biological Sample Unloading
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Solution Overview
Problem
Existing laboratory storage systems face inefficiencies due to the need for frequent emptying of a single unloading collector, which disrupts operations and prevents continuous sample preservation and testing, especially in high-volume test laboratories where samples are constantly unloaded throughout the day and night.
Innovation Solution
A multiple rack apparatus with an odd number of sliding racks that can occupy various locations on a platform, allowing for continuous operation by automatically switching between locations, including one that aligns vertically with the outlet tube for unloading biological product containers, enabling extended operation without manual intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single unloading collector is used to accommodate ejected test tubes, then the device complexity is reduced, but the productivity decreases due to frequent emptying operations that disrupt storage activity
Solution Approach 1:
The single unloading collector is divided into multiple racks (first rack, second rack, third rack) that can operate independently. Each rack can be emptied separately, allowing continuous operation of the storage system while distributing the collection function across multiple units rather than one large collector.
Solution Approach 2:
The racks are made movable relative to each other and to the outlet tube. The racks can slide horizontally and vertically to different positions on the platform, enabling dynamic reconfiguration. This allows one rack to be positioned for unloading while others remain ready or are being emptied, maintaining continuous operational flow.
2Quantity of substance
If the unloading collector is enlarged to increase capacity, then the quantity of substance increases, but the device complexity and space requirements increase
Solution Approach 1:
Instead of creating one large collector, the system uses multiple smaller racks (first, second, and third racks) that can be distributed across the platform. Each rack holds a portion of the total capacity, and the sum of all racks provides the required overall capacity without requiring a single complex large-scale structure.
Solution Approach 2:
The racks utilize three-dimensional space on the platform by moving both horizontally and vertically. The racks can be positioned at different heights and locations, effectively using vertical space in addition to horizontal space to maximize capacity without increasing the platform footprint or structural complexity.
3Ease of operation
If a single collector is used, then the ease of operation is simplified, but the loss of time increases due to frequent interruptions for emptying
Solution Approach 1:
The collector function is segmented into multiple independent racks, allowing selective emptying of individual racks rather than the entire collector. This enables the storage system to continue operating while one rack is being emptied, reducing time loss from interruptions.
Solution Approach 2:
Multiple racks are prepared in advance and positioned on the platform before unloading begins. Racks can be pre-positioned at optimal locations for receiving test tubes, and the system can anticipate when racks will need emptying by monitoring their fill status, allowing for planned rather than reactive emptying operations.
Data Source
AI summary
There is described a multiple rack apparatus for accommodating biological product containers unloaded from a storage for the preservation of the same interfaced with a laboratory automation system, comprising an odd number of said racks which can be housed within a platform having a number of locations, which is equal to said odd number plus one. Said racks can horizontally or vertically slide from one location to another of said platform, taking advantage of the presence of a temporarily empty location, said racks further occupying in turn an operating location which, being vertical with respect to an outlet tube of said storage, accommodates said biological product containers unloaded from said storage.