Abstract: An endoscope including a handle housing having apertures for legs of an operating part, an electrical switch positioned in the handle housing and having a carrier board having apertures for the legs. The operating part includes a finger pad having a finger surface, a ring connected to and extending from the finger pad, the ring having a plunger aperture, legs connected to and extending from the ring, the legs each having a spacer section and an electrical switch retention protrusion. The legs traverse the apertures of the handle housing and the carrier board to secure the electrical switch to the housing handle. The finger pad comprises elastically deformable material configured to extend toward and cause actuation of the electrical switch, when pressure is applied and to return to a rest position when pressure is released.

Abstract: A lubricant supplying device of an endoscope everting tube drive comprises a drive tube everted at least once to thus form an outer and an inner tube portion. Inside the inner tube portion an endoscope shaft is mounted in an axially displaceable manner. In addition a drive device is provided which encompasses the drive tube everted at least once or the inner tube portion thereof so as to apply a driving force for an advancing movement of the endoscope shaft onto the inner tube portion, the drive means being in fluid connection with a lubricant supplying line and a lubricant discharge line for introducing a lubricant via the drive device into the drive tube everted at least once and/or for discharging it. The lubricant supply line and the lubricant discharge are connected to the drive device in two locations thereof diametrically opposite with respect to the endoscope shaft.

Abstract: A lubricant supplying device of an endoscope everting tube drive comprises a drive tube everted at least once to thus form an outer and an inner tube portion. Inside the inner tube portion an endoscope shaft is mounted in an axially displaceable manner. In addition a drive device is provided which encompasses the drive tube everted at least once or the inner tube portion thereof so as to apply a driving force for an advancing movement of the endoscope shaft onto the inner tube portion, the drive means being in fluid connection with a lubricant supplying line and a lubricant discharge line for introducing a lubricant via the drive device into the drive tube everted at least once and/or for discharging it. The lubricant supply line and the lubricant discharge are connected to the drive device in two locations thereof diametrically opposite with respect to the endoscope shaft.