Portable Multimodal Microscopy With Modular Optics and Precision Focus
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Solution Overview
Problem
Existing portable microscopes lack flexibility in terms of lens holding and fine adjustment, have limited field of view and resolution, and require bulky arrangements for variable magnification and focusing, making them costly and complex.
Innovation Solution
A compact portable multimodal microscope with interchangeable microscopy modules, adjustable light sources, and automated or digitally controlled focusing, allowing for variable magnification, resolution, and field of view, along with manual or automated sample movement and light intensity control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If portable microscope uses fixed lens arrangement, then device simplicity is improved, but adaptability for variable magnification and resolution deteriorates
Solution Approach 1:
The microscope system is divided into separate interchangeable modules: objective lenses, condensers, and microscopy modules. Each module can be independently selected and replaced to achieve different magnification levels and imaging modes (light field, dark field, fluorescence), thereby providing variable adaptability without requiring a completely different device configuration.
Solution Approach 2:
The microscope platform is designed with universal interfaces and a common body structure that can accommodate multiple types of microscopy modules. A single base unit supports various objective lenses (10x, 40x, 100x), different condenser types, and multiple imaging modes, allowing one device to perform multiple functions across different magnification ranges and application scenarios.
2Adaptability or versatility
If portable microscope uses interchangeable modules, then adaptability for variable features is improved, but device complexity deteriorates
Solution Approach 1:
The interchangeable modules are designed with compact, nested structures that fit within a unified microscope body. Objective lenses, condensers, and imaging modules are arranged in a space-efficient manner where smaller components are positioned within or adjacent to larger structural elements, minimizing the overall device footprint while maintaining full functionality of all modules.
Solution Approach 2:
The microscope incorporates dynamic adjustment mechanisms including motorized focusing stages, adjustable condenser heights, and rotatable module interfaces. These dynamic features allow users to switch between different modules and adjust optical parameters on-the-fly, providing adaptability without requiring complex manual reconfiguration procedures.
3Ease of operation
If portable microscope uses manual focusing, then ease of operation is improved, but measurement precision for fine adjustment deteriorates
Solution Approach 1:
The manual focusing mechanism is replaced with an automated motorized focusing system controlled by a stepper motor or precision actuator. The system includes a focus drive mechanism that responds to user input via buttons, dial, or digital interface, providing both coarse and fine focusing adjustments with micrometer-level precision while maintaining ease of operation through automated control.
Solution Approach 2:
The focusing system incorporates feedback mechanisms including focus position sensors and image quality analysis that provide real-time information to the user. The system can detect when optimal focus is achieved and provide visual or haptic feedback, ensuring precise focusing while simplifying the operator's task through intelligent assistance rather than requiring manual skill.
4Productivity
If portable microscope uses automated sample movement, then productivity for scanning is improved, but device complexity deteriorates
Solution Approach 1:
The automated sample movement system operates autonomously once programmed or commanded, with the motorized stage automatically positioning and scanning the sample without continuous user intervention. The system includes built-in control logic that manages the scanning sequence, speed, and stopping points, effectively making the system self-regulating and reducing the operational burden on the user.
Solution Approach 2:
A microcontroller or embedded computer serves as an intermediary between the user interface and the motorized stage components. This intermediary manages the complex coordination of multiple motors, sensors, and timing sequences, translating simple user commands into precise automated scanning movements while shielding the user from the underlying system complexity.
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 user-friendly, cost-effective, and versatile microscopic imaging with variable features in a compact device, suitable for education, research, and diagnostic applications, improving portability and ease of use.
Implementation Method 1
comprises a light source, preferably an LED, disposed at a peripheral surface of the sample holding unit to provide light to the sample
Data Source
AI summary
The disclosure herein describes a compact portable multimodal microscopy apparatus comprising an optical microscopy unit including one or more microscopy modules, wherein each microscopy module comprises an optical lens assembly with eight to sixteen lens elements having a total magnification in a range of 10× to 2000×; a protective layer disposed on the optical microscopy unit to protect the optical microscopy unit from physical and chemical damages; a sample holding unit disposed on the protective layer, wherein the sample holding unit includes at least one compartment to hold a sample to be imaged by the one or more microscopy modules; a first light source unit mounted on the optical microscopy unit; and a second light source unit mounted inside the optical microscopy unit adjacent to the one or more microscopy modules.