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Endoscope-TypesEndoscopes differ depending on their optical system or special application: Rigid endoscopeIn rigid endoscopes the optical system consists of a series of prisms and lenses
Flexible endoscope / fiber endoscopeThe flexible endoscope or fiber endoscope is an endoscope, usually with an integrated working channel. The optical system used in this type of endoscope consists of fiber glass bundles. It allows a better overview of areas that are otherwise difficult to access, and offers improved brightness.
"Chip on the tip" CCD endoscopeThe CCD endoscope is a further development of the fiber endoscope. It features a miniaturized CCD chip at its tip which allows the image to be transmitted to a monitor. The advantage of this new generation of endoscopes is its superior depth of field. Tiresome refocusing for close-ups and overview images is no longer required.
Operating endoscopesIn addition, operating endoscopes are equipped with irrigation and suction channels as well as channels for inserting special instruments such as, for example, biopsy forceps to obtain tissue samples. Equipped with these additional features, endoscopes in general do not exceed diameters of 14 mm. The thinnest endoscopes used for example in pediatrics, measure only 1.9 mm in diameter. Depending on its use and medical discipline, an endoscope may be between 4 cm and 200 cm long.
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