Patent ID: 8366611
Filing Date: 2013-02-05
Classification: A61B,G02B

Abstract:
1. An endoscope comprising: an endoscope shaft having an observation opening on a distal end and an inner chamber; a transparent cover configured to hermetically seal the distal end; an imaging optic disposed in the inner chamber, comprising multiple optic elements, situated inside the endoscope shaft adjacent the distal end and spaced apart from the cover to form an area between the transparent cover and a first of the multiple optic elements; and a sealing ring disposed between the transparent cover and the first of the multiple optic elements of the imaging optic situated closest to the cover to seal the area between the transparent cover and the first of the multiple optic elements in relation to the remaining inner chamber of the endoscope shaft, wherein the sealing ring presses against an inner side of the cover facing toward the imaging optic and against a circumferential edge of the first of the multiple optic elements.