30.1.2.2 Endoscope system components

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Source: Leiner

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  • Imaging system (rod lens array for rigid endoscopes) within a tube/shaft

  • Illumination/Light source (it’s dark inside the body)

    • separate from the imaging system in order to reduce glare [low contrast of received image]
    • surrounds the imaging system like a ring light unknown_filename.1.png

  • Video camera

  • Coupling device (camera to imaging system)

  • Sheath and bridge which contain the telescope, fibre optics, and provides a channel for other stuff like irrigation, forceps, other surgical instruments

    • Examination sheath (thinner) and operating sheath (bulkier, more space for the accessories)

unknown_filename.2.jpeg http://www.osapublishing.org/boe/fulltext.cfm?uri=boe-1-2-463&id=204840

unknown_filename.3.png http://www.researchgate.net/publication/236106568_Automated_Objective_Routine_Examination_of_Optical_Quality_of_Rigid_Endoscopes_in_a_Clinical_Setting/figures?lo=1

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http://www.scopecare.com/rigid-and-semi-rigid-endoscopes/