ENDOSCOPE LENS AND ENDOSCOPE Russian patent published in 2022 - IPC A61B1/02 G02B13/00 

FIELD: medicine.

SUBSTANCE: endoscope lens contains a lens link located on the side of an object, which contains a flat-convex rod lens, and a lens link located on the side of an image, which contains a biconvex lens at the end of the lens located on the side of the image. The lens link located on the side of the object contains the flat-convex first lens and the biconcave second lens, which form a front lens and which are arranged in this sequence on the side of the object of the flat-convex rod lens, which forms the third lens. The lens link located on the side of the image contains, when viewed from the side of the object, the biconvex fourth lens, the concave-flat fifth lens and the biconvex sixth lens, which are arranged in this sequence on the side of the object located on the end of the lens of the biconvex lens located on the side of the image, which forms the seventh lens. A stereoscopic endoscope lens contains two lenses. A monocular endoscope contains a lens. A stereoscopic endoscope contains the stereoscopic lens.

EFFECT: use of this group of inventions will facilitate the installation and increase optical and mechanical stability of the lens.

16 cl, 4 dwg, 2 tbl