Endoscopy - ENDOSCOPY ENDOSCOPY mn56@aub.edu.lb ENDOSCOPY...

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Unformatted text preview: ENDOSCOPY ENDOSCOPY mn56@aub.edu.lb ENDOSCOPY Endoscopy, is the examination of internal body cavities using a specialized medical instrument called an endoscope. Physicians use endoscopy to diagnose, monitor, and surgically treat various medical problems. An endoscope is a slender, flexible tube equipped with lenses and a light source. Illumination is done by the help of a number of optical fibres. Reflected light rays are collected by CCD( Charge coupled device) and electrical signals are produced, which are fed to the video monitor to get image. Thorough one channel of endoscope water and air is conducted to wash and dry the surgical site. ENDOSCOPY The endoscope also has a channel through which surgeons can manipulate tiny instruments, such as forceps, surgical scissors, and suction devices. A variety of instruments can be fitted to the endoscope for different purposes. ENDOSCOPY A surgeon introduces the endoscope into the body either through a body opening, such as the mouth or the anus, or through a small incision in the skin. ENDOSCOPY The endoscope gives visual evidence of the problem, such as ulceration or inflammation It can be used to collect a sample of tissue; remove problematic tissue, such as polyps It is used to take photograph of the hollow internal organs ENDOSCOPY Depending on the body part, each type of endoscopy has its own special term, such as laparoscopy (abdomen, uterus, fallopian tube), laryngoscopy (vocal cords), bronchoscopy (lungs), colonoscopy (colon), arthroscopy (joint) and Gastroscopy (Stomach). Anatomy of an endoscope Our presentation will cover the internal components of an endoscope, as well as the handling, identification of problems, and the disinfection of the instrument. General Schematic...
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This note was uploaded on 02/07/2011 for the course MECH 633 taught by Professor Mohammadnasserdine during the Spring '10 term at American University of Beirut.

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Endoscopy - ENDOSCOPY ENDOSCOPY mn56@aub.edu.lb ENDOSCOPY...

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