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Engineering Physics by S. Mani Naidu

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11.11 Applications of optical fibres in medical field

Optical fibre medical instruments may contain bundles of optical fibres. An optical fibre instrument used to see the internal parts of human body is endoscope. The endoscope facilitates the physicians to see the internal parts of body without performing surgery. The main part in endoscope is fibrescope. Based on application, the endoscopes are classified into:

  1. Gastroscope is used to examine the stomach. A gastroscope can be fitted with various parts to photograph tumours and ulcers. Laser-used gastroscope is used to remove objects that have been swallowed. Gastroscope can also guide a laser, used to destroy tumours.
  2. Bronchoscope is used to see upper passages of lungs.
  3. Orthoscope is used ...

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