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What is the imaging principle of a medical endoscope camera system?

With the reform of China's national medical system, the progress of medical technology and the popularization of advanced medical equipment, endoscopic equipment systems are more and more widely used in hospitals at all levels, such as: ventriculoscope, thoracoscopy, otolaryngology, hysteroscopy, ureteronephroscopy, prostate resectoscope, intervertebral discoscopy, arthroscopy, laparoscope, etc. What is the imaging principle of a medical endoscope camera system?

The imaging principle of the medical endoscope imaging system: the light emitted by the light source is transmitted to the human body through the body of the endoscope through the transmission beam (optical fiber), and irradiates the parts in the human body cavity that need to be examined. The objective lens images the part to be inspected on an area array CCD. The CCD driver circuit controls the CCD to acquire images and output standard video signals. The adjustment mechanism is used to adjust the angle of view of the front end of the endoscope, which can be adjusted up and down, left and right, and rotated.