Automated Microscope Slide Processing With Precision Alignment
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Solution Overview
Problem
Microscope slide preparation is labor-intensive and inefficient, particularly in the processes of sample staining and imaging, often requiring manual handling and limited automation for processing and examination.
Innovation Solution
A slide processing unit that automates the preparation and imaging of microscope slides, utilizing a carriage system, stepper motors, and sensors for precise slide positioning, along with integrated staining and imaging systems to streamline the process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual slide processing is used, then flexibility and adaptability are maintained, but labor intensity increases and processing efficiency decreases
Solution Approach 1:
The slide processing system is divided into separate functional modules: a carriage system for slide transport, a staining module for sample treatment, and an imaging module for analysis. Each module operates independently but coordinates through control circuits, allowing the system to handle complex processing tasks while maintaining manageable complexity through modular design.
Solution Approach 2:
The automated carriage system positions slides and smearing slides automatically without manual intervention. The system includes automatic alignment mechanisms and sensors that detect slide positions, enabling the system to service itself by maintaining precise positioning and coordinating processing steps autonomously.
2Loss of time
If manual staining and imaging is performed, then operational simplicity is maintained, but processing time increases and consistency decreases
Solution Approach 1:
The automated system enables continuous processing by automatically transitioning slides through staining, drying, and imaging steps without interruption. The carriage system continuously positions slides for processing, and the coordinated operation of multiple modules ensures uninterrupted workflow, reducing total processing time while maintaining high consistency through automated repetition.
Solution Approach 2:
The system pre-positions slides on the carriage and pre-aligns them for processing. The carriage system anticipates the next processing step and positions the slide accordingly before the actual staining or imaging begins, reducing idle time and accelerating the overall processing cycle.
3Manufacturing precision
If manual sample alignment is used, then operational simplicity is maintained, but positioning precision decreases
Solution Approach 1:
Manual mechanical alignment is replaced with an automated carriage system that uses controlled motor movement and sensor feedback to position slides with high precision. The system replaces human hands and eyes with automated positioning mechanisms that can maintain consistent accuracy without fatigue or variation.
Solution Approach 2:
The system incorporates sensors that detect the actual position of slides and smearing slides during the automated carriage movement. This feedback information is used by the control circuits to adjust positioning in real-time, ensuring precise alignment is achieved automatically while maintaining operational simplicity through automated correction.
4Reliability
If automated processing is implemented, then processing consistency improves, but initial complexity and cost increase
Solution Approach 1:
The automated carriage system serves multiple functions: it transports slides, positions smearing slides, aligns samples, and coordinates with both staining and imaging modules. This multi-functionality consolidates what would otherwise require multiple separate devices into a single integrated system, reducing overall complexity while maintaining high processing consistency across all operations.
Data Source
AI summary
Various examples of systems and methods are provided for slide processing. In one example, among others, a system for processing microscope slides includes a slide positioner that can adjust a position of a slide and a slide treatment system that can dispense a micro stream of a fluid at a location on the slide when the slide is positioned beneath a jet nozzle of the slide treatment system. The system can include a slide sled that can align a smearing slide with a surface of the slide including a fluid sample is disposed, and support the smearing slide at a predefined angle with respect to the surface of the slide. In another example, a method includes obtaining a slide including a sample disposed on a surface, positioning the slide below to a jet nozzle, and dispensing a micro stream of a fluid onto the sample using the jet nozzle.