Linear Rack Carousel System for Random Sample Access
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Solution Overview
Problem
Current automated chemical analyzers face challenges in achieving random access and efficient processing of large numbers of samples, with carousel systems requiring batch handling of new samples and linear rack systems being less accessible for multiple tests.
Innovation Solution
A carousel system with radially distributed slots for linear racks, allowing for bar code or RFID identification and tracking of samples, enabling computer-controlled retrieval, transfer, and pipetting operations for flexible and efficient sample handling, including the use of mechanical transfer devices and multiple carousels for enhanced automation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If carousel systems are used to allow large numbers of samples to be present and easily accessible, then random access to samples is improved, but batch handling is required to handle new samples
Solution Approach 1:
The system divides the sample storage into multiple linear racks, each rack containing multiple sample positions arranged linearly. This segmentation allows independent access to individual racks or positions without requiring batch handling of entire carousels, thus maintaining random access capability while enabling more flexible sample introduction and processing workflows.
Solution Approach 2:
The invention transitions from a traditional circular carousel architecture to a linear rack-based system with multiple racks arranged in a dimensional configuration. This dimensional change allows samples to be accessed linearly while maintaining the ability to service multiple racks simultaneously, eliminating the batch handling constraint of single-carousel systems while preserving random access capabilities.
2Extent of automation
If linear rack based systems are used to allow easy automation, then automation level is improved, but random access to samples becomes more difficult
Solution Approach 1:
The system employs multiple linear racks that can be interchangeably positioned and serviced by automated mechanisms. Each rack serves as a universal container that can be accessed, replaced, and serviced independently, allowing the automated system to maintain high automation levels while providing flexible random access to samples across the entire multi-rack configuration.
Solution Approach 2:
The invention introduces automated transfer mechanisms and robotic handlers as intermediaries between the linear racks and the analysis instruments. These intermediary devices enable random access to any sample position across multiple racks without requiring manual intervention, thus maintaining high automation levels while improving ease of random sample access.
Data Source
AI summary
An automated chemical or biological sample analyzer includes a plurality of linear sample carrying racks that are moved to a processing station for conducting an analysis using one or more carousel devices. Under computer control, rotational movements of the carousel or carousels, linear movements of the transfer or shuttle mechanisms, and operation of a pipetting station are performed in a coordinated fashion so as to handle the processing of a large number of samples simultaneously in an optimized fashion that allows random ordering of samples for processing.