endoscope With the development of modern science and technology, the has been thoroughly reformed and optical fiber has been used. In 1963, Japan began to produce fiber endoscope. In 1964, the biopsy device of fiber endoscope was successfully developed. These special biopsy forceps for biopsy can obtain appropriate pathological materials with low risk. In 1965, fiber colonoscopy was made, which expanded the scope of examination for lower gastrointestinal diseases. In 1967, we began to study magnifying fiber endoscope to observe micro lesions. Fiber optic endoscopy can also be used for in vivo tests, such as measuring in vivo temperature, pressure, displacement, spectral absorption, and other data.
In 1973, laser technology was applied to endoscopic treatment, and gradually became one of the means of endoscopic treatment of gastrointestinal bleeding. In 1981, endoscopic ultrasound technology was successfully developed. This new development of combining advanced ultrasound technology with endoscope greatly increased the accuracy of lesion diagnosis.
In 1987, Phillipe Mouret pioneered television endoscopic surgery.
Endoscopy in the modern sense is gradually formed with the invention of the optical fiber endoscope. In the 1960s, “glass fiber” developed in the United States has attracted extensive attention in various fields. As early as the 1930s, there were optical fibers used for conducting light in optical fiber endoscope, but due to the high loss rate of light in the transmission process, the optical fiber transmitting optical signal has not made progress. The optical fiber endoscope is a slender and soft tube, in which there is a bundle of light guiding glass fibers, and a lens is installed at both ends. During the inspection, one end of the tube is inserted into the organ to be inspected in the human body, and the internal situation of the organ can be seen from the other end. Endoscopes are usually equipped with lighting sources, and some are also equipped with surgical instruments, such as lasers. Optical fiber is introduced into the optical transmission mechanism, and video lens has become the first choice for image capture. The endoscope that can take photos at the same time is the “fiber endoscope” born in 1964. In the 1960s, endoscope had the ability of image capture and measurement. Around 1975, the era of the gastric camera came to an end and was completely replaced by a “fiber endoscope“. Zhang Zhenyuan, a Chinese fiber optics expert, has undertaken the national and local major scientific and technological research project “Research on large-scale production technology of series optical fiber image bundles and industrial endoscopes”. The technology has reached the domestic leading and world advanced level and has established the only production base in China that can mass-produce image bundles and endoscopes.
In 1983, a new type of charge-coupled device (CCD) was developed by Welch, New York, USA?? Erin instrument company first developed it successfully. The end of the CCD endoscope inserted into the body is equipped with a CCD “lens” integrated on a small silicon chip. In fact, it is a new photoelectric image sensor, and its function is similar to that of a TV camera. It can convert the image of the part to be checked into a digital electrical signal. The image is transmitted through a metal wire and displayed by an “image monitor” similar to a TV receiver. The application of this technology makes it possible for image storage, reproduction, consultation, and computer management.
In November 2002, the world’s first “high-definition endoscope system” was born, and the concept of the endoscope has changed greatly. It combines the most cutting-edge imaging technology and provides image accuracy, which makes it possible to diagnose extremely small lesions. The emergence of modern video endoscope, electronic endoscope, and ultrasonic endoscope has opened up a new era of modern medical endoscopy. Endoscopy has entered the era of treatment and operation from the era of examination and diagnosis.