With the development of modern science and technology, the endoscope has been thoroughly reformed and optical fibers have been used. In 1963, Japan began to produce fiber endoscopes. In 1964, a biopsy device for fiber endoscopes was successfully developed. This special biopsy forceps for biopsy can have suitable pathological materials and is less dangerous. In 1965, colonoscopy was used to expand the scope of examination for lower digestive tract diseases. In 1967, he began to study a magnifying endoscope to observe microscopic lesions. Fiberscopes can also be used for in vivo assays such as measuring body temperature, pressure, displacement, spectral absorption, and other data.
In 1973, laser technology was applied to the treatment of endoscopes and gradually became one of the means of endoscopic treatment of gastrointestinal bleeding. In 1981, the development of endoscopic ultrasound technology was successful. This new development, which combines advanced ultrasound technology with endoscopy, has greatly increased the accuracy of lesion diagnosis.
In 1987, Phillipe Mouret pioneered video endoscopic surgery.
Modern endoscopy is gradually developed with the invention of a fiber optic endoscope. Into the 1960s, "glass fiber" developed in the United States received extensive attention in various fields. As early as in the 1930s, optical fibers have been used for fiber-optic endoscopes to transmit light. However, due to the high loss rate of light during transmission, optical fibers that transmit optical signals have not been advanced. An optical fiber endoscope is a thin, flexible tube with a bundle of light-guiding glass fibers and a lens at each end. During the examination, one end of the tube is inserted into the internal organs of the human body to be examined, and the inside of the organ can be seen from the other end. Endoscopes are usually accompanied by light sources, and some are equipped with surgical instruments such as lasers. Optical fibers have been introduced into the optical transmission mechanism, and video lenses have become the first choice for image capture. The endoscope that can take pictures at the same time is the "fiberscope" that was born in 1964. By the 1960s, endoscopes had the ability to capture and measure images. Around 1975, the era of gastric camera came to an end and was completely replaced by "fiberscope." Zhang Zhenyuan, an expert in fiber optics in China, undertook the National Research Project on Local Major Scientific and Technological Development “Study on the Scaled Production Technology of Series Fiber Optic Imaging Beams and Industrial Endoscopes”. The technology has reached the domestic leading level and the world’s advanced level, and has established the only domestic capable batch production imagery. Beam and endoscope production base.
In 1983, a new type of charge-coupled device (CCD) endoscope was first developed by Welch Alline Instrument Company of New York State. One end of the CCD endoscope inserted into the body is equipped with a CCD "lens" integrated in a small piece of silicon wafer. It is actually a new type of photoelectric image sensor, and its function is similar to that of a television camera. It can convert the image of the site under investigation into a digitized electrical signal. The image is transmitted over a metal wire and displayed by an "image monitor" like a television receiver. The application of this technology makes it possible to store, reproduce, consult, and manage computers.
In November 2002, the world’s first “high-definition endoscope system” was born, and the concept of endoscopy has changed dramatically. It agglutinates cutting-edge imaging technology and provides image accuracy that makes it possible to diagnose extremely small lesions. The appearance of modern video endoscopes, electronic endoscopes, and ultrasound endoscopes has opened up a new era of endoscopy for modern medical endoscopy. It has entered the era of treatment and surgery from the era of inspection and diagnosis.
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