Professional 4CMOS 4K ICG Fluorescence Endoscope System – Surgical Precision & Multispectral Imaging

The 4CMOS·4K+ICG Ultra-High Definition Fluorescent Endoscope Video System represents a meticulous synthesis of advanced photonics, precision optics, and real-time computational imaging. Designed for surgical teams in hepatobiliary, colorectal, oncologic, and reconstructive surgery, this platform provides an indispensable tool for real-time intraoperative decision-making. It transcends traditional visualization by quantitatively and qualitatively revealing tissue physiology alongside superb anatomy.

This document details the engineered components and clinical performance parameters that establish this system as a benchmark in image-guided surgery.

The system's performance is rooted in its quadruple CMOS sensor configuration. Light entering the camera head is split by a dichroic prism block:

• Path 1 (Visible Spectrum): Directs Red, Green, and Blue wavelengths to three individual, optimally tuned CMOS sensors. This dedicated trichromatic capture eliminates color artifacts and achieves >54 dB SNR and ITU-R BT.2020 color gamut compliance for life-like tissue rendition.

• Path 2 (NIR Spectrum): Directs near-infrared light (>780nm) to a fourth, specialized high-sensitivity CMOS sensor. This physical separation ensures that the powerful white light does not saturate or interfere with the delicate fluorescence signal, guaranteeing specificity and sensitivity in ICG detection.

The system provides a suite of fluorescence visualization tools for nuanced interpretation:

• Quantitative Perfusion Assessment: The Color Intensity Map (Intensity Map) mode applies a standardized color palette (e.g., Jet or Iron) to the raw fluorescence intensity values. This transforms subjective grayscale interpretation into an intuitive, color-coded map of relative perfusion, invaluable for assessing anastomotic viability or tumor margins.

• Multi-Structure Differentiation: Standard Fluorescence Mode allows the surgeon to assign distinct, customizable colors (e.g., Green for bile ducts, Purple for sentinel lymph nodes) to the fluorescent signal. This facilitates the simultaneous tracking of multiple anatomical or pathological structures of interest.

• High-Sensitivity Monochrome: Mono Fluorescence mode provides the ultimate contrast-to-noise ratio for initial vessel identification or locating faint, deep-seated sentinel nodes.

The integrated processor applies a cascade of corrections to overcome common surgical imaging challenges:

• Adaptive Smoke Penetration Algorithm: Dynamically analyzes the image histogram to reduce the scattering effects of surgical smoke, maintaining visualization continuity during energy device use without manual exposure adjustment.

• Moiré Pattern Elimination: Uses spatial frequency analysis to detect and suppress interference patterns that can occur when imaging fine periodic structures like mesh or fabrics.

• Localized Contrast Enhancement & Digital Zoom: Allows the surgeon to define a region of interest for real-time electronic magnification with optimized edge enhancement, facilitating detailed examination without physical scope movement.

The design prioritizes sterility, reliability, and workflow efficiency:

• The camera head features a hermetically sealed, gas-purged optical chamber to prevent fogging during long procedures and allow compatibility with sterilization methods.

• The dual-channel video output architecture supports independent routing: one 4K stream can be sent to the primary surgeon's display for critical tasks, while a simultaneous HD stream is used for recording, auxiliary monitors, or telemedicine conferencing.

• Compatibility with standard C-Mount adapters ensures integration with a wide range of existing rigid endoscopes, protecting prior capital investments.

*Sensitivity may vary based on optical scope and tissue properties.

This 4CMOS·4K+ICG System is not merely an incremental upgrade but a foundational shift towards data-enhanced surgery. By delivering uncompromised 4K anatomy and quantifiable physiological data in a co-registered, real-time display, it provides the surgical team with a level of intraoperative information previously unattainable. It is engineered for the most challenging procedures where margin assessment, vessel patency, and tissue identification are paramount to patient outcomes.