Endoscopy is a diagnostic procedure that involves minimally invasive surgeries. It is used for examining the internal hollow organs. It is the advanced version of visualization which allows taking the samples for the biopsy of the intestines, nasal cavity, and stomach. It helps in removing the foreign bodies from the stomach and esophagus by using endoscopic instruments. The instruments which are used in performing the endoscopic procedure are known as endoscopes.
There are basically two types of endoscopes, flexible and rigid.
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