Endoscopic medical endoscopic minimally invasive surgery

Endoscope is an optical instrument, from outside the body through the body natural cavity into the body, the examination of diseases in the body, can directly observe the internal cavity lesions, determine its location, scope, and can be taken photographs, biopsy or brush, greatly improve the diagnosis accuracy of cancer, and can be treated. Optical fiber endoscope system uses optical fiber to transmit cold light source, small diameter, and can be bent, the patient less pain during examination. Endoscopy is widely used, such as gastroscopy for gastric cancer, bronchoscopy for lung cancer, trachea cancer, esophagoscopy for esophageal cancer, sigmoidoscopy for rectal cancer, sigmoidoscopy for bladder cancer, laryngoscopy for laryngeal cancer, nasopharyngeal cancer, colposcopy for cervical cancer, vaginal cancer and so on. Along with the development of ultrasonic nondestructive testing technology and endoscopic technology, now endoscope measurement technology in industrial and medical fields such as the comprehensive use, for a long time, endoscope is used to "see", not "measure", along with the development of computer technology and image processing technology, now of the endoscope can achieve the advantages of its measuring technique. Whatever the electronic endoscope, the parts of the image can be observed must be clear, elegant, the current electronic endoscope gradually tend to adopt the second method to install the CCD, it increase the processing and the technology of CCD technically difficult, with continuous improvement and perfection of the electronic endoscope technology, high pixels CCD size will do more and more small, All kinds of fine diameter electronic endoscopes have emerged to meet the clinical needs and can be involved in almost every field of medical treatment. At the same time, the emergence of some electronic endoscopes with special devices such as large aperture or double orifice and lifting forceps, coupled with the development of a series of auxiliary instruments, has opened up a broad prospect for the application of minimally invasive surgery of electronic endoscopes in clinical practice. At present, some clinical diseases can be treated by endoscope or small incision instead of traditional surgery, greatly reducing the pain of patients.

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