US Patent 7857757 Endoscope with a flexible probe

An endoscope with a flexible, multi-lumen catheter probe 1, a grip 3 provided at the proximal end of the probe, a control element 13 attached to the distal end of the probe and movably guided in the axial direction on catheter probe 1, wherein the catheter probe 1 is to be connected non-rotatingly to the grip 3 by means of a releasable lock 2, the distal end of the optical lumen 4 has a transparent seal 5, and optical system 6 is displaceably disposed inside optic lumen 4 and can be removed from optic lumen 4.