BS EN 60601-2-18. Medical electrical equipment. Part 2-18. Particular requirements for the basic safety and essential performance of endoscopic equipment— 50 стр.
BS ISO 8600-3. Endoscopes. Medical endoscopes and endotherapy devices. Part 3. Determination of field of view and direction of view of endoscopes with optics— 14 стр.
Medical electrical equipment -- Part 2-18: Particular requirements for the basic safety and essential performance of endoscopic equipment (IEC 60601-2-18:2009) (english version)