A fluorescence navigation endoscope system and method for enhancing fluorescence imaging sensitivity
A technology of endoscope and fluorescence image, applied in the field of endoscope system, can solve the problem of low sensitivity of fluorescence imaging, achieve the effect of improving sensitivity, improving signal-to-noise ratio, and enhancing sensitivity
Active Publication Date: 2020-05-12
GUANGDONG OPTO MEDIC TECH CO LTD
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[0005] The purpose of the present invention is to provide a fluorescence navigation endoscope system and a method for enhancing the sensitivity of fluorescence imaging, aiming to solve the problem of low fluorescence imaging sensitivity of the existing fluorescence navigation endoscope system
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[0024] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.
[0025] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation indicated by rear, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc. The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating ...
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The invention discloses a fluorescent navigation endoscope system and a method thereof for improving the fluorescent imaging sensitivity. The fluorescent navigation endoscope system is provided with two light sources: an exciting-light light source and a white light source, and the fluorescent navigation endoscope system simultaneously irradiates white light and exciting light to target tissues; the fluorescent navigation endoscope system is provided with two cameras: a fluorescent camera and a color camera, the fluorescent camera acquires the fluorescent information of the tissues, and the color camera acquires a white light image of the tissues; the system is also provided with an image processing unit which is used for performing the image processing and algorithm synthesis for the fluorescent image and the white light image and finally outputting a white light image with a fluorescent marker; and in order to improve the fluorescent imaging sensitivity, a fluorescent enhancing lensgroup is configured in front of the fluorescent camera, the lens group is used for zooming the fluorescent image, so that the fluorescent signal of the tissues can be more intensively imaged onto thefluorescent camera, the fluorescent camera unit pixel can acquire more fluorescent signals, and the signal-to-noise ratio of the fluorescent image can be increased.
Description
technical field [0001] The invention relates to an endoscope system, in particular to a fluorescence navigation endoscope system and a method for enhancing the sensitivity of fluorescence imaging. Background technique [0002] Fluorescence navigation endoscopy is a kind of preoperative injection of specific near-infrared fluorescent contrast agent, using two light sources of white light and excitation light to illuminate the imaging area, and at the same time obtain a clear color image of the imaging area and reflect information such as tumor information and lymphatic location. Novel endoscopic techniques for fluorescence images. Since the fluorescence signal intensity is related to factors such as excitation light intensity, contrast agent concentration, fluorescence transmittance, imaging area distance, etc., and compared to white light signals, the fluorescence signal is very weak, so the imaging sensitivity of fluorescence signals is the most important factor in fluoresc...
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IPC IPC(8): A61B1/04A61B1/00
CPCA61B1/00009A61B1/043
Inventor 刘满林顾兆泰揭光锦张浠安昕
Owner GUANGDONG OPTO MEDIC TECH CO LTD