What is an endoscope?

In modern medicine, there is a free access to the human body "instrument", its name is endoscope. The device can be inserted into the body like an "artificial tunnel" through the stomach, which can be seen through an endoscope, to examine diseases directly.

The endoscope consists of a very thin, long, flexible metal tube with a probe. The long soft metal tube can be extended through the mouth into the stomach, into the trachea, and into the intestine through the anus. A light source attached to one end of the tube transmits light to the other end of the endoscope, creating a bright glow that otherwise would have obscured the inside of these organs. Doctors can make the head of the lens move and bend like the head of a snake through the operator to reach the part to be observed, and the observed situation is transmitted to the television monitor through the image beam to become the image, and then processed by the electronic computer, the doctor can find the problems of these organs. If you attach a camera to the probe of the endoscope, you can also take pictures. The endoscope also has a special hole in the tube, through which a miniature scalpel can be installed. The doctor can operate directly on the patient inside the organ without cutting the abdomen. A slender clamp can also be installed to take a small amount of living tissue for pathological examination.

Endoscopy can directly observe the lesions in the body's internal organs, so it can greatly improve the detection rate of disease in the early stage, which is particularly important for cancer, because the treatment effect is better in the early stage than in the late stage. Here, the endoscope can also make an accurate diagnosis for some digestive diseases, such as stomach and duodenitis, or ulcers. In recent years, doctors have combined endoscopy technology with ultrasound technology to judge the depth of gastrointestinal tumor invasion, differentiate benign and malignant tumors, and diagnose some other lesions, which have shown great power.

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