Microscope Slide Holder With Adhesive Spring Mechanism
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Solution Overview
Problem
The insertion of microscope slides into existing systems is cumbersome, requiring manual dexterity and can lead to injury, contamination, and imprecision due to low friction forces between metal clips and glass slides, making automation and precise positioning challenging.
Innovation Solution
A holder with a receiving area that includes contact and counter-surfaces bounded by side elements, featuring a pressure element that exerts a restoring force to secure the slide, allowing for precise positioning and easy insertion/removal, while sensors ensure accurate alignment and prevent damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If metal clips are used to hold the microscope slide, then the slide can be secured in place, but the low friction force between metal clips and glass slides causes imprecise positioning and potential slippage
Solution Approach 1:
The patent changes the physical state of the contact surfaces by introducing a pressure-sensitive adhesive layer that transforms the interaction from dry friction (metal-glass) to adhesive bonding. The adhesive layer's shear strength provides reliable positioning without relying on insufficient friction forces, directly resolving the contradiction between reliability and force magnitude.
Solution Approach 2:
The pressure-sensitive adhesive layer serves as an intermediary between the metal clip and glass slide, mediating the holding force. Instead of direct metal-glass contact with low friction, the adhesive layer transfers and distributes the clamping force uniformly, eliminating slippage and improving positioning precision while maintaining secure holding.
2Ease of operation
If rotatable metal clips are used to enable slide insertion and removal, then the operation is possible, but the process is cumbersome and requires manual dexterity that is difficult to automate
Solution Approach 1:
The patent introduces a spring element that provides dynamic, automatic clamping action. When the slide is inserted, the spring automatically engages and applies constant pressure through the adhesive layer, securing the slide without requiring manual rotation or adjustment. For removal, a simple lateral force automatically overcomes the spring pressure, enabling easy ejection. This dynamic mechanism is inherently suitable for automation while maintaining ease of operation.
Solution Approach 2:
The spring-loaded adhesive mechanism is self-regulating and self-adjusting. The spring automatically maintains optimal clamping pressure throughout the holding period, and the adhesive layer self-bonds upon contact, requiring no manual intervention for securing the slide. This self-service characteristic makes the system easily automatable while preserving operational simplicity.
3Reliability
If pressure is applied to secure the microscope slide, then the slide is held firmly, but the risk of injury and contamination increases due to manual handling requirements
Solution Approach 1:
The patent replaces the mechanical friction-based holding system with an adhesive bonding system. The pressure-sensitive adhesive layer creates molecular-level bonding between the clip and slide, providing secure holding without requiring high mechanical pressure that could cause injury. This substitution eliminates the need for forceful manual manipulation, thereby reducing contamination and injury risks while maintaining reliable slide security.
4Ease of operation
If manual handling of microscope slides is required, then the slides can be inserted and removed, but imprecision and potential damage occur due to low friction forces
Solution Approach 1:
The patent fundamentally changes the physical parameter of surface interaction from dry friction to adhesive bonding. The pressure-sensitive adhesive layer provides high shear strength that precisely maintains slide position during manual handling, eliminating the imprecision caused by low friction forces. This parameter change allows easy manual operation while simultaneously achieving high positioning accuracy.
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
The holder enhances the precision and reproducibility of microscope slide positioning, reduces the risk of injury and contamination, and enables automation of slide changes, ensuring secure holding without damaging the slides.
Implementation Method 1
at least one pressure element arranged within the receiving area and configured to exert a restoring force directed towards an interior of the receiving area
Data Source
AI summary
A holder for a microscope slide includes a receiving area that has a first contact surface and a second contact surface opposite the first contact surface, a first counter-surface that at least partially spans the first contact surface, and a second counter-surface that at least partially spans the second contact surface. The receiving area is bounded on three sides by side elements and has an opening on one side for insertion of the microscope slide. At least one pressure element is arranged within the receiving area and configured to exert a restoring force directed towards an interior of the receiving area.