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2. CCTV drain camera (plumbing) - Wikipedia

   en.wikipedia.org/wiki/CCTV_drain_camera_(plumbing)

   CCTV drain cameras, also known as sewer cameras or pipe inspection cameras, are a line of waterproof, high definition cameras that have become a widely popular technology in the plumbing profession. These cameras are advanced diagnostic tools that allow plumbers to execute plumbing inspections, called CCTV Drain Surveys [ 1 ] with heightened ...

3. Endoscope - Wikipedia

   en.wikipedia.org/wiki/Endoscope

   An endoscope is an inspection instrument composed of image sensor, optical lens, light source and mechanical device, which is used to look deep into the body by way of openings such as the mouth or anus. A typical endoscope applies several modern technologies including optics, ergonomics, precision mechanics, electronics, and software engineering.

4. Endoscopy - Wikipedia

   en.wikipedia.org/wiki/Endoscopy

   This drew inspiration to insert a hollow tube for observation; the next problem to solve was how to shine light through the tube, as they were still relying on candles and oil lamps as light sources. [3] The term endoscope was first used on February 7, 1855, by engineer-optician Charles Chevalier, in reference to the uréthroscope of ...

5. Esophagogastroduodenoscopy - Wikipedia

   en.wikipedia.org/wiki/Esophagogastroduodenoscopy

   Endoscope. Non-coaxial optic fiber system to carry light to the tip of the endoscope; A chip camera at the tip of the endoscope – this has now replaced the coaxial optic fibers of older scopes that were prone to damage and consequent loss of picture quality

6. Scanning fiber endoscope - Wikipedia

   en.wikipedia.org/wiki/Scanning_fiber_endoscope

   A scanning fiber endoscope is a technology that uses a flexible, small (< 6Fr) peripheral or coronary catheter to provide wide-field, high-quality, full-color, laser-based video imaging. These differences distinguish SFE applications from current imaging approaches such as IVUS and Intracoronary OCT .

7. Colonoscopy - Wikipedia

   en.wikipedia.org/wiki/Colonoscopy

   The endoscope has a movable tip and multiple channels for instrumentation, air, suction and light. The bowel is occasionally insufflated with air to maximize visibility (a procedure that gives the patient the false sensation of needing to take a bowel movement ).