Multichannel Fluorescent Camera for Real-Time Lymph Node Imaging
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Solution Overview
Problem
Current imaging technologies are limited in their ability to simultaneously detect and distinguish multiple fluorescent light sources in real-time, which hinders accurate diagnosis and treatment of cancers like melanoma, particularly in intraoperative settings where precise visualization of lymph node metastases and differentiation from adjacent structures are crucial.
Innovation Solution
A portable multichannel fluorescent camera system capable of real-time imaging of different fluorescent sources with high signal-to-noise ratio, utilizing biocompatible particle-based platforms and dual-modality probe species for enhanced visualization of tumor lymphatic drainage pathways and nodal distributions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional single-channel fluorescent imaging systems are used, then the device complexity is low, but the ability to simultaneously detect and distinguish multiple fluorescent light sources is limited
Solution Approach 1:
The imaging system is divided into multiple independent detection channels, each equipped with specific optical filters to detect different fluorescent wavelengths separately. This segmentation allows simultaneous multi-wavelength detection while maintaining manageable system complexity through modular architecture
Solution Approach 2:
The imaging system is designed to perform multiple functions by integrating multiple detection channels that can simultaneously detect different fluorescent probes, enabling both single-probe and multi-probe imaging applications with a single device platform
2Loss of information
If multiple fluorescent probes are used for comprehensive tumor imaging, then the information obtained about lymph node metastases and residual disease is improved, but the ability to distinguish between different fluorescent signals becomes more difficult
Solution Approach 1:
Each detection channel is optimized with specific optical filters and detection parameters tailored to the characteristics of particular fluorescent probes, allowing precise discrimination of different signals while capturing comprehensive disease information across multiple wavelengths
Solution Approach 2:
The system incorporates signal processing and image analysis capabilities that differentiate and process signals from multiple fluorescent probes, providing enhanced contrast and clarity for distinguishing between lymph node metastases, residual disease, and normal tissues
3Speed
If real-time imaging is implemented for intraoperative visualization, then the speed of diagnosis and surgical decision-making is improved, but the image quality and signal-to-noise ratio may be compromised
Solution Approach 1:
The imaging system operates continuously during surgical procedures, providing uninterrupted real-time visualization of fluorescent signals from multiple probes, allowing immediate surgical decision-making while maintaining high image quality through continuous signal acquisition and processing
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 accurate intraoperative visualization of lymph node metastases and residual disease, improving disease staging and minimizing damage to critical structures during surgical procedures by providing real-time, high-resolution images of fluorescent signals from multiple wavelengths.
Implementation Method 1
two or more different probe species each comprising a fluorescent reporter; directing excitation light into the subject, thereby exciting the fluorescent reporters; simultaneously detecting fluorescent light of different wavelengths, the detected fluorescent light having been emitted by the fluorescent reporters
Data Source
AI summary
Presented herein is a multichannel imaging system capable of detecting and distinguishing multiple fluorescent light sources simultaneously. Also described herein are methods of using the system to image disease or cellular abnormalities, e.g., for diagnostic and/or intraoperative purposes.