Abstract: An endoscope including: a handle, an elongated shaft, and a video camera disposed in the shaft. The elongated shaft having a unit including a plurality of nested tubes. The plurality of nested tubes including a first tube and a second tube at least partially disposed within the first tube, the first tube and the second tube being fixed to one another through adhesive bonding. The first tube having a first bore formed in the first tube, the first bore communicating with a first gap between the first tube and the second tube, and an adhesive is provided in the first gap.

Abstract: A video endoscope including: an outer cladding tube, a fiber tube accommodated in the outer cladding tube, wherein the fiber tube has a housing bounding a closed space with a distal end and a proximal end, wherein a front-side window is provided at the distal end of the fiber tube, the fiber tube having an inner tube (for accommodating an imaging sensor , and a heating foil provided between the fiber tube and the inner tube. Where, the heating foil is adapted to heat the front-side window at the distal end of the fiber tube.