Abstract: An optical system for an endoscope, the optical system including: a distal optical assembly; a proximal optical assembly; and at least one elongated bar-shaped fixing element; wherein the proximal optical assembly is fastened to the distal optical assembly by the fixing element.

Abstract: An actuator system for use in an optical system of an endoscope. The actuator system including: at least one actuator; and a holder for receiving at least one optical element of the optical system, the holder is configured to be flat and extends in a holder plane. The holder including: an outer enclosure; a leaf spring; and an inner platform. Wherein the outer enclosure at least partially surrounds the leaf spring and the leaf spring at least partially surrounds the inner platform, the outer enclosure is elastically coupled to the inner platform via the leaf spring, the inner platform is configured to receive the optical element, and the at least one actuator interacts with the inner platform.

Abstract: A connection body for use with an endoscope that provides an electrical connection between at least one electrical component arranged in a proximal end region of the endoscope and an internal electrical connection provided in the proximal end region. The connection body including: a dimensionally stable three-dimensional circuit carrier: and a flexible elongate circuit board. Where, in a first region of the circuit carrier, the electrical component is mechanically directly connected to the circuit carrier and is contacted by conductor tracks provided in the circuit carrier; in a second region different from the first region, a first end of the circuit board is mechanically directly connected to the circuit carrier and contacts the conductor tracks for electrical connection to the electrical component and a second end of the circuit board opposite the first end in a longitudinal direction of the circuit board, contacts the internal electrical connection.

Abstract: A method for preparing an optical element for insertion into an optical system of an endoscope, wherein the optical element has an optical axis and a peripheral surface that is basically parallel to the optical axis, the method including: arranging the optical element in a mounting of a spindle which rotates the optical element about an axis of rotation of the spindle, aligning the optical element on the spindle such that the optical axis of the optical element coincides with the axis of rotation of the spindle, and subsequent to the aligning, removing an outer peripheral surface region of the optical element until the peripheral surface has a constant spacing from the optical axis of the optical element, wherein the removing of the outer peripheral surface region takes place by laser ablation.

Abstract: A method for centering an optical element in an optical system for an endoscope, wherein the optical element has an optical axis aligned in the optical system such that the optical axis of the optical element coincides with an optical axis of the optical system, the method including: forming recesses into a circumference of the optical element, wherein in a cross-sectional plane of the optical element each recess includes a deepest point which has a smallest distance to the optical axis of the optical element, and the deepest points are located in the cross-sectional plane of the optical element on a circle, a center of the circle being located on the optical axis of the optical element; inserting a centering material into each of the recesses; and aligning the optical element in the optical system using the centering material in each of the recesses.

Abstract: An optical system for an endoscope, the optical system including: a distal optical assembly; a proximal optical assembly; and at least one elongated bar-shaped fixing element; wherein the proximal optical assembly is fastened to the distal optical assembly by the fixing element.

Abstract: A holder for an optical system of an endoscope, the holder including: a take-up region configured to receive an optical element; and at least one fixing region configured to fix the holder in the optical system by a soldered connection, the fixing region being separate from the take-up region; wherein a material of the holder is a base material that is provided with a coating, a material of the coating having better solderability than the base material, the coating being removed from the take-up region to expose a surface of the take-up region, the exposed surface being blackened by a laser-assisted surface treatment.

Abstract: A method for the manufacturing an endoscope, the method including: providing a window having a lateral peripheral surface and a flat surface, the window is provided with a metal coating on a lateral peripheral surface and/or an edge region of the flat surface, and the flat surface of the window is provided with a solder preform, inserting the window provided with the solder preform into a window seat of an endoscope shaft of the endoscope, where the flat surface of the window one of faces an interior space of the endoscope shaft or faces away from the interior space of the endoscope shaft, and subsequent to the inserting, heating the solder preform with a heating device such that solder material of the solder preform is distributed between the window and the window seat and, after the solder material cools, solder is arranged between the window and the window seat.

Abstract: A user assistance system of a reprocessing apparatus for cleaning and disinfecting at least one surgical instrument arranged in a cleaning basket, the user assistance system including: at least one electronically controlled display device; and a controller coupled with the at least one electronically controlled display device, the at least one electronically controlled display device being integrated in a loading station and being configured for arranging the cleaning basket on one side of the display device during the loading of the cleaning basket, the controller being configured to control the display device such that image information is displayed in an actual size and position which indicates a predetermined arrangement within the cleaning basket of the surgical instrument that is to be reprocessed.

Abstract: An imaging unit for a surgical instrument. The imaging unit including: an objective tube; and an optical element accommodated in the objective tube, wherein one or more of: the optical element is clamped gap-free in the objective tube; the optical element is accommodated in a mount in the optical tube and the mount is clamped gap-free in the objective tube; and the optical element is accommodated in a centered mount.

Abstract: An optical assembly for an endoscope, the optical assembly including: an objective tube; and at least one optical element held in the objective tube; wherein the objective tube comprises at least one region acting as a clamping mount for the at least one optical element, and the at least one region of the objective tube acting as the clamping mount is at least sectionally formed of a shape-memory material.

Abstract: An imaging unit including: a guide tube having an inner lateral surface extending in a longitudinal direction of the guide tube, the inner lateral surface defining an inner chamber; a lens tube having an outer lateral surface extending in a longitudinal direction of the lens tube, the lens tube being at least sectionally accommodated within the inner chamber of the guide tube; and at least one optical element which is accommodated in the lens tube; wherein the lens tube comprises a plurality of bars disposed on the outer lateral surface, each of the plurality of bars interacting with a corresponding one of a plurality of grooves recessed in the inner lateral surface of the guide tube.

Abstract: A user assistance system of a reprocessing apparatus for cleaning and disinfecting at least one surgical instrument arranged in a cleaning basket, the user assistance system including: at least one electronically controlled display device; and a controller coupled with the at least one electronically controlled display device, the at least one electronically controlled display device being integrated in a loading station and being configured for arranging the cleaning basket on one side of the display device during the loading of the cleaning basket, the controller being configured to control the display device such that image information is displayed in an actual size and position which indicates a predetermined arrangement within the cleaning basket of the surgical instrument that is to be reprocessed.

Abstract: An optical assembly for an endoscope, the optical assembly including: an objective tube; and at least one optical element held in the objective tube; wherein the objective tube comprises at least one region acting as a clamping mount for the at least one optical element, and the at least one region of the objective tube acting as the clamping mount is at least sectionally formed of a shape-memory material.

Abstract: A surgical instrument having: a wall; an electrically insulating substrate; an electrical connection, wherein at least a portion of the electrical connection is applied on an exterior surface of the electrically insulating substrate; an insulating layer applied on the portion of the electrical connection; and a hermetic connection layer applied to the insulating layer, wherein the hermetic connection layer is hermetically connected to the wall to separate a hermetic chamber from an outer area.

Abstract: A method produces a flat electrode of a high-frequency surgical instrument, which has in at least one layer height of metal and in at least one other layer height of ceramic, wherein the flat electrode is produced in the form of a green body and then sintered.

Abstract: A surgical milling instrument, comprising two tubular cutters arranged one inside another, each of which has a cylindrical shaft tube, an integrally formed distal end piece in a hollow hemispherical shape, and a cutting window, wherein the outer tubular cutter is non-rotatably mounted on a main body and the inner tubular cutter is mounted in a rotationally driven manner thereon, is characterized in that at least one of the end pieces, in a hole surrounding the axis of the associated shaft tube, has an insert plate connected on the edge thereof to the edge of the hole.

Abstract: An endoscope including: an endoscope tip arranged at the distal end of the endoscope. The endoscope tip including: an outer wall having an opening; and a window hermetically joined into the opening, the window being at least partially optically transparent; wherein the outer wall has a ceramic material.

Abstract: An endoscope including: a flexible portion having an elastic hose; at least one rigid portion having at least at one end adjoined to the flexible portion at an end area, the at least one end being enclosed by the elastic hose; and a clamping device disposed over the elastic hose at the end area to sealingly clamp the flexible portion to the at least one rigid portion by applying a radial force to the end area, the clamping device including a loop member which is made of metal and which winds around the hose with at least two windings, and in which at least the two windings are welded to one another.

Abstract: A surgical milling instrument, comprising two tubular cutters arranged one inside another, each of which has a cylindrical shaft tube, an integrally formed distal end piece in a hollow hemispherical shape, and a cutting window, wherein the outer tubular cutter is non-rotatably mounted on a main body and the inner tubular cutter is mounted in a rotationally driven manner thereon, is characterized in that at least one of the end pieces, in a hole surrounding the axis of the associated shaft tube, has an insert plate connected on the edge thereof to the edge of the hole.