Automated Microscope Slide Processing for Precise Staining and Imaging
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Solution Overview
Problem
Microscope slide preparation is labor-intensive and inefficient, particularly in the processes of sample staining and imaging, and there is a need for automated and controlled slide processing systems that allow for remote access and storage of images.
Innovation Solution
A slide processing unit that automates the preparation and imaging of microscope slides, including a slide positioner with stepper motors for precise slide manipulation, chemical treatment systems, and a digital microscope for imaging, allowing for local and remote access to processed images.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual slide processing methods are used, then flexibility and simplicity are maintained, but labor intensity increases and processing efficiency decreases
Solution Approach 1:
The slide processing system is divided into distinct functional modules: a slide positioner module with stepper motors for precise positioning, a chemical treatment module with automated dispensing, and an imaging module. Each module operates independently but coordinates through centralized control, allowing manual operation of individual components while enabling automated sequences when needed.
Solution Approach 2:
The slide processing unit is designed as a multi-functional platform that can perform multiple operations: positioning slides, applying chemical treatments (staining, fixing), and capturing images. The system accommodates both manual intervention and automated processing, serving as a hybrid platform that adapts to different workflow requirements.
2Ease of operation
If automated slide processing is implemented, then labor intensity decreases and consistency improves, but device complexity increases
Solution Approach 1:
The system incorporates automated functions that operate with minimal human intervention: stepper motors automatically position slides to precise locations, chemical treatment systems automatically dispense reagents based on programmed protocols, and the imaging system automatically captures images at specified positions. Once configured, the system executes processing sequences autonomously.
Solution Approach 2:
The automated control system incorporates feedback mechanisms where sensors detect slide positions, chemical application status, and imaging completion, then relay this information to the control unit which adjusts operations accordingly. This closed-loop control ensures consistent execution of processing protocols while maintaining operational simplicity through centralized management.
3Loss of time
If physical shipping of slides is used, then remote evaluation is enabled, but time consumption increases and loss of control occurs
Solution Approach 1:
Instead of physically transporting the original slide, the system creates digital copies (images) of the slide at various processing stages. These digital images can be immediately transmitted to remote locations for evaluation, eliminating the time required for physical shipping while preserving the ability to conduct remote assessments. The original slide remains under controlled conditions at the processing facility.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables efficient, automated slide processing with consistent image capture and storage, reducing human labor and enabling remote access for evaluation.
Implementation Method 1
a slide positioner with stepper motors for precise slide manipulation
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.