Endoscopes can be divided into two categories according to the use scenarios: Industrial endoscopes and medical endoscopes. Medical endoscopes are indispensable diagnostic and surgical equipment in general surgery, ENT, Urology, orthopedics, gynecology and other departments, and are also one of the fast-growing products in the global medical device industry.
Background of endoscope:
Endoscope is a kind of commonly used medical instrument. It enters the human body through the natural orifice or small incision made by surgery. When it is used, the endoscope is introduced into the pre examined organ to directly observe the changes of the relevant parts.
Endoscope is mainly composed of three systems: endoscope system, image display system and lighting system. Taking the electronic endoscope which is commonly used at present as an example, the endoscope system includes the operating handle and the mirror body. The mirror body extends into the patient's body, and there are several parallel pipes inside the mirror body, including lighting optical fiber, image transmission optical fiber (CCD video line in the electronic endoscope), air transmission channel, water transmission channel, instrument channel, etc. the precision of the endoscope is very high, which requires the cooperation of multiple professional fields.
From the historical perspective, the development of endoscopy has experienced four stages: rigid tube endoscopy, semi flexible endoscopy, fiber endoscopy and electronic endoscopy. Generally speaking, rigid tube endoscopy and semi flexible endoscopy are defined as rigid endoscopy. Fiber endoscopy and electronic endoscopy are called soft endoscopy because they can bend freely, and the scope of clinical application is also expanding.
At present, the clinical application of electronic endoscopy is divided into two aspects: diagnosis and treatment. The diagnosis function is mainly that clinicians obtain real-time dynamic internal images through endoscopy, and obtain tissues through appropriate instruments for in vitro detection; The treatment function needs to be equipped with professional minimally invasive surgical instruments for specific surgical treatment.
The main application scenarios of endoscopy include Otolaryngology, oral cavity, digestive tract, urethra, bladder, kidney, joint, abdominal cavity and other organs or parts.
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