Slide Specimen Processing Device with Capillary Reagent Distribution
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Solution Overview
Problem
The current methods for processing slide specimens are cumbersome and prone to errors due to manual handling and environmental factors, particularly during reagent application and heat treatment, which can lead to evaporation and specimen damage.
Innovation Solution
A device and method that allows multiple slides to be processed in a single, enclosed system with a heating mechanism, featuring a slide cover plate with capillary gaps for even reagent distribution and automatic reagent replenishment, and a heating system that maintains consistent temperature without manual transfer of slides.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple slides are processed manually with horizontal placement, then each slide can be handled individually, but the processing space required increases and processing efficiency decreases
Solution Approach 1:
The patent transitions from horizontal placement to vertical stacking of slides in a multi-layer rack system. Multiple slides are arranged in different vertical layers and can be processed simultaneously in the same device, dramatically reducing the horizontal processing space while increasing throughput capacity.
Solution Approach 2:
The processing device integrates multiple functions including heating, reagent dispensing, and incubation into a single unified system that can handle multiple slides simultaneously. The device serves as both a reaction chamber and a heating apparatus, eliminating the need for separate equipment and reducing overall space requirements.
2Ease of operation
If reagent is dispensed from above the slide, then the dispensing process is simple, but position error increases and reagent distribution becomes uneven
Solution Approach 1:
The patent introduces a capillary channel structure as an intermediary between the reagent reservoir and the slide surface. The capillary channels guide the reagent flow along predetermined paths, ensuring precise and uniform distribution across the slide while maintaining a simple top-down dispensing mechanism. The capillary action itself serves as the mediator that controls fluid movement without requiring complex positioning systems.
3Temperature
If slides are transferred between devices for heat treatment, then heating can be performed, but the operation process complexity increases and manual errors rise
Solution Approach 1:
The patent combines the heating function directly within the slide processing device. The heating element is integrated into the device structure, allowing slides to be heated in-situ without transfer to separate heating equipment. This merging of functions eliminates multiple transfer steps and reduces operational complexity while maintaining effective heating capability.
Solution Approach 2:
The device is designed as a multi-functional system that simultaneously performs slide holding, reagent dispensing, incubation, and heating operations. This universal design allows all processing steps to be completed within a single device, eliminating the need for multiple specialized equipment and reducing manual intervention requirements.
4Reliability
If slides remain in the same device throughout processing, then manual intervention is reduced and errors decrease, but the device design becomes more complex
Solution Approach 1:
The device is segmented into modular functional units including a multi-layer rack system for slide holding, a reagent dispensing module with capillary channels, a heating module, and a control module. Each module performs a specific function and can be independently designed and assembled. This segmentation allows the complex multi-functional device to be constructed from manageable components while maintaining the ability to process multiple slides continuously without transfer.
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
This solution reduces manual intervention, minimizes errors, and ensures consistent reagent coverage and heat treatment, enhancing processing efficiency and accuracy by maintaining slides in a single device throughout the process.
Implementation Method 1
a capillary gap is formed between the slide and the cover plate
Implementation Method 2
The heating is generally performed at a temperature of 80-121° C. and maintained for 3 to 60 minutes
Data Source
AI summary
A device for processing a slide specimen and a method thereof, wherein the device mainly comprises a container, a base, a heating device, a slide cover plate, a slide, a slide rack, a liquid outlet, a liquid inlet, a controller, a thermocouple, a temperature display screen, a temperature maintaining time display window and a temperature maintaining time adjustment button. A large amount of slide specimens are enable to carry out processing such as reagent loading, cleaning, heat treatment, temperature maintaining and drying in one same device, realizing that there's no need to take or transfer the slide manually during the whole process of the slide specimen processing, reducing manual intervention and interference, not only saving time but also simplifying the operation steps and reducing operation errors.