An instrument formed of a tube or bundle of glass fibres with a lens attached, which a doctor can pass down into the stomach through the mouth to examine the inside of the stomach.
A type of lighted endoscope, swallowed by the patient and used by doctors in visually examining the stomach.
An illuminated optical instrument used to inspect the interior of the stomach. For many years these were rigid or semirigid instruments affording only limited views, but modem fully flexible ‘fiber-optic instruments allow all areas of the stomach to be seen and photographed and specimens taken for microscopic examination. As the same instruments can usually be introduced into the duodenum they are also known as gastroduodenoscopes or esophagogastroduodenoscopes.
An endoscopic instrument for viewing the interior of the stomach. Introduced into the stomach via the mouth and oesophagus, the long flexible instrument (also called an oesophagogastroduodenoscope) transmits an image through a fibreoptic bundle or by a small video camera. The operator can see and photograph all areas of the stomach and also take biopsy specimens when required.
A rigid endoscope for inspecting the stomach’s interior. This instrument has been replaced by flexible, fiberoptic endoscopes.
A device used for inspecting the interior of the stomach.