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

FIELD: medicine.

SUBSTANCE: endoscope camera lens contains the first prism located on the side of an object and the second prism located on the side of an image, the first lens system located on the side of the object of the first prism, and the second lens system located on the side of the image of the first prism, and a sensor surface located at the end of the side of the image of the camera lens parallel to the longitudinal axis of an endoscope shank. The first prism and the second prism are designed to cause the first, the second and the third deflection of rays in the form of a triple deflection of rays. The first lens system contains the biconcave first lens, the biconvex second lens, the third lens made in the form of a rod lens, the flat-concave fourth lens and the biconvex fifth lens in this sequence, when viewed from the side of the object. The second lens system contains the flat-convex sixth lens, the seventh lens made in the form of a meniscus lens, the biconvex eighth lens and the biconcave ninth lens in this sequence, when viewed from the side of the object. A stereoscopic endoscope camera lens contains two parallel camera lenses. A monocular endoscope contains a camera lens. A stereoscopic endoscope contains the stereoscopic camera lens.

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

16 cl, 6 dwg, 1 tbl