Lab Sample ID Uniqueness Handling System
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Solution Overview
Problem
Existing laboratory sample container handling systems lack flexibility and performance in managing duplicate ID information, leading to processing inefficiencies and potential sample misidentification.
Innovation Solution
A method and system that automatically reads and checks ID information using barcode or RFID readers, assigns a new unique ID if necessary, and processes samples based on this information, incorporating a control unit and ID changer to ensure unique identification and cap removal for further processing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the system uses automatic ID reading and uniqueness checking, then processing efficiency is improved, but system complexity increases due to additional readers and control units
Solution Approach 1:
The system divides the ID verification process into separate functional modules: a reader component for ID acquisition, a control unit for uniqueness checking, and an ID changer for relabeling. This segmentation allows each component to perform its specific function efficiently while maintaining overall system productivity.
Solution Approach 2:
The system performs ID uniqueness checking at the beginning of the sample container handling process, before samples are processed. By detecting and resolving duplicate IDs in advance, the system prevents processing delays and errors later in the workflow, thereby improving overall efficiency.
2Reliability
If the system checks and assigns unique ID information to all samples, then sample identification accuracy is improved, but processing time increases due to additional verification steps
Solution Approach 1:
The system performs uniqueness checking of ID information as the first step when sample containers are introduced, before any sample processing occurs. This preliminary verification ensures identification accuracy is established early, preventing errors downstream while minimizing time impact through efficient automated checking.
Solution Approach 2:
When the control unit determines that an ID is already unique in the system, the process skips further verification steps and proceeds directly to sample processing. This selective approach rushes through unnecessary checks for already-unique IDs, reducing processing time while maintaining accuracy for cases requiring verification.
3Reliability
If the system relabels containers with new unique IDs, then duplicate ID issues are resolved, but device complexity increases due to label printing and attachment mechanisms
Solution Approach 1:
The system introduces an ID changer as an intermediary component between the control unit and the sample container. This mediator receives instructions from the control unit about which containers need relabeling and executes the label printing and attachment, isolating the complexity of the relabeling mechanism from the core control logic.
Solution Approach 2:
The ID changer creates new label copies with unique ID information and attaches them to containers that require relabeling. This copying approach allows the system to resolve duplicate ID issues by generating fresh, unique identifiers without fundamentally altering the container structure or requiring complex mechanical modifications.
4Productivity
If the system processes samples in bulk commodity form, then processing speed is improved, but measurement precision decreases due to difficulty in individual sample identification
Solution Approach 1:
The system assigns unique ID information to each sample container in bulk before the samples undergo processing. This preliminary identification ensures that even when processed together in bulk, each sample maintains its unique identifier, allowing for precise tracking and measurement throughout the processing workflow.
Solution Approach 2:
The ID information serves multiple functions simultaneously: it enables bulk processing by providing a common identification format for all samples, while also allowing individual sample tracking through unique IDs. This multi-functionality resolves the contradiction between bulk processing efficiency and individual identification precision.
Data Source
Figure 1
AI summary
A method of handling laboratory sample containers (1) by means of a laboratory sample container handling system (100), wherein the method comprises the steps: - providing a laboratory sample container (1) comprising an assigned ID information (2) to the laboratory sample container handling system (100), - reading the assigned ID information (2), - checking, if the read ID information (2) is unique or not unique within the laboratory sample container handling system (100), and - if the read ID information (2) is not unique within the laboratory sample container handling system (100), assigning a new ID information (2) to the laboratory sample container (1), wherein the new ID information (2) is unique within the laboratory sample container handling system (100).