Abstract: An endoscope including: an elongated shaft and an optical system disposed in the shaft. The optical system includes at least one prism. The prism is mounted in a prism holder. The prism holder having first and second stops for aligning the prism in at least first and second directions, respectively. Wherein the first stop forms a planar stop surface against which a first planar surface of the prism rests, and the second stop forms a linear stop contour against which a second planar surface of the prism rests.

Abstract: An endoscope, including: at least one outer shaft tube, at least one inner shaft tube disposed within the at least one outer shaft tube; a window distally hermetically sealing one of the inner shaft tube or the outer shaft tube, a heater disposed proximate to the window between the at least one outer shaft tube and the at least one inner shaft tube, a temperature sensor disposed embedded in a potting compound proximate to the window, and an encasement filled with the potting compound, the encasement at least partially surrounding the temperature sensor.

Abstract: A video endoscope including: an elongated shaft having an inner shaft tube and an outer shaft tube; and an electrical connecting element extending in a longitudinal direction of the shaft between the inner shaft tube and the outer shaft tube. Wherein the electrical connecting element is configured as a flexible printed circuit board with at least one conducting path which is routed substantially parallel to a longitudinal axis of the shaft, and the electrical connecting element is routed at an angle with respect to the longitudinal axis of the shaft at at least one location of the shaft.

Abstract: An electronic device including: a multilayer printed circuit board; and a molded retaining body; wherein the printed circuit board is formed of structured layers of conducting and non-conducting materials adhered together, the conducting materials form conductor tracks and contact areas, the printed circuit board being stiffened in a rigid region by stiffening material, the rigid region having electronic components and encapsulated in an epoxy; the printed circuit board having a flexible region that is more flexible than the rigid region, the flexible region having contact areas; the retaining body having an arc-shape formed on a radial inner side of the retaining body for arrangement on an inner tube of an endoscope; the retaining body having, on a radial outer side, a receiving contour for receiving and shaping the printed circuit board; and the retaining body having a retainer for holding the printed circuit board in a bent state.

Abstract: A video endoscope including: an elongated shaft having distal and proximal ends; an objective lens arranged in the shaft; and an image sensor arranged proximally to the objective lens; wherein the objective lens includes distal and proximal objective lens assemblies; the image sensor rotates about an axis of the shaft relative to the distal objective lens assembly which is arranged in an outer tube; a torque for rotating the image sensor is transmitted by an inner tube, which is arranged in the outer tube, the inner tube being rotatably fixed and axially slidably connected to a frame receiving the image sensor, the inner tube and the frame each including coupling portions that engage coaxially; one the coupling portions includes cut-outs extending parallel to the axis; and another includes elastic protrusions, the elastic protrusions extending toward and engage in a corresponding cut-out.

Abstract: An optical connecting device for a surgical instrument including a coupling for connecting first and second optical fiber bundles. The coupling including: a tubular sleeve having an outer surface defining an internal space for receiving an end of the first optical fiber bundle in the internal space of the tubular sleeve; a clamp movably disposed on the outer surface of the tubular sleeve, the clamp having one or more of a first convexity and a first concavity; and a union having one or more of a second convexity and a second concavity. The clamp has a continuous longitudinal opening along its longitudinal extension and on its outer side such that the clamp can be elastically deformed in a radial direction, and the clamp is configured to elastically deform such that one or more of the first convexity and the first concavity engages with one or more of the second convexity and the second concavity of the union.

Abstract: A medical system including: a trocar configured to provide an artificial access to a body cavity of a patient; a medical instrument configured to be inserted through the trocar and into the body cavity of the patient for performing a medical function in the body cavity of the patient; and a controller configured to: determine whether the medical instrument is inserted into the trocar; and enable the performing of the medical function by the medical instrument only if the medical instrument is determined to be inserted into the trocar.

Abstract: A deflection prism assembly for an endoscope having a lateral viewing direction. The deflection prism assembly including: a prism holder; and a deflection prism which is received in the prism holder. The deflection prism is formed of a glass. The prism holder includes a reception component and an adjustment component, where the reception component is formed of a ceramic and the adjustment component is formed of a metal. The deflection prism is attached to the reception component and the adjustment component provides a stop for the deflection prism in an axial direction.

Abstract: An electromagnetic actuator for use with a surgical instrument. The electromagnetic actuator including: a stator arranged outside a tube; and a rotor mounted in the tube such that the rotor can move in the tube in a longitudinal axial direction of the tube; the rotor includes one or more of a paramagnetic and ferromagnetic material and is movable in the longitudinal axial direction by application of an electromagnetic field; the stator includes: a distal permanent magnet and a proximal permanent magnet, the distal permanent magnet and the proximal permanent magnet being oppositely polarized in the longitudinal axial direction; and at least one electric coil for generating the electromagnetic field; wherein the distal permanent magnet and the proximal permanent magnet are arranged on an outer side of the coil facing away from the tube.

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 video endoscope including: an elongated shaft having distal and proximal ends; an objective lens arranged in the shaft; and an image sensor arranged proximally to the objective lens; wherein the objective lens includes distal and proximal objective lens assemblies; the image sensor rotates about an axis of the shaft relative to the distal objective lens assembly which is arranged in an outer tube; a torque for rotating the image sensor is transmitted by an inner tube, which is arranged in the outer tube, the inner tube being rotatably fixed and axially slidably connected to a frame receiving the image sensor, the inner tube and the frame each including coupling portions that engage coaxially; one the coupling portions includes cut-outs extending parallel to the axis; and another includes elastic protrusions, the elastic protrusions extending toward and engage in a corresponding cut-out.

Abstract: A deflection prism assembly for an endoscope having a lateral viewing direction, the deflection prism assembly including: a prism holder; and a deflection prism accommodated in the prism holder; wherein the deflection prism has a light outlet surface and an opposite light inlet surface arranged obliquely to the light outlet surface, the deflection prism further having a lateral surface extending between the light inlet surface and the light outlet surface; and the prism holder accommodates the deflection prism such that the prism holder surrounds less than all regions of the lateral surface of the deflection prism.

Abstract: An optical system for a stereo video endoscope including: first and second lens system channels each having optical elements in identical configurations, the optical elements being arranged in a same position along first and second optical axes, respectively, an optical axis of first and second optical elements coincide with the first and second optical axes, respectively, first and second cross-sectional areas of the first and second optical elements are inscribed in first and second circumferential circles, respectively, centers of first and second circumferential circles each coincide with the first and second optical axes, respectively, to define a maximum radius of the first optical element and the second optical element, the first and second circumferential circles overlap one another, and circumferential shapes of the first and second optical elements deviate from the first and second circumferential circles circumscribing them such that the first and second optical elements do not contact.

Abstract: A prism holder for use with a surgical instrument, having a prism. The prism holder including: a casing for receiving the prism; and at least one prism pressure element configured to be brought into contact with a pressure surface of the prism; wherein the casing having an opening for arrangement of the at least one prism pressure element in the opening.

Abstract: An endoscope optic including: an outer tube having an opening at an end face in an end region of the outer tube, a fiber tube disposed in the opening, the fiber tube containing an objective lens, and a fiber bundle for illuminating a region in front of the objective lens, the fiber bundle being provided at an outer periphery of the objective lens, wherein a distal end region of the fiber bundle being arranged in a distal aperture in the fiber tube, the aperture being surrounded by material of the fiber tube.

Abstract: A stereoscopic optical system including: left and right channels; an electromagnetic actuator including a stator and rotor; wherein first optical components of the left channel are arranged in a left tube and second optical components of the right channel are arranged in a right tube; the stator is arranged outside the guide tubes; the rotor includes a left rotor, in which one or more of the first optical components is accommodated, and a right rotor, in which one or more of the second optical components is accommodated; the left and right rotors are mounted in one of the left and right tubes to be movable in a longitudinal axial direction; the left and right rotors include paramagnetic and/or ferromagnetic material and are movable by an electromagnetic field; the stator includes distal and proximal permanent magnets oppositely polarized; and the stator includes an electric coil for generating the electromagnet field.

Abstract: A video endoscope including: a shank; an image-recording device arranged in a distal region of the shank; a flexible circuit board electrically connected to an image-recording device; and a cooling element; wherein the flexible circuit board rests on the cooling element and at least portions of an exterior of the cooling element fit an inner contour of the shank in a stress-free manner.

Abstract: An electromagnetic actuator for use with a surgical instrument. The electromagnetic actuator including: a stator arranged outside a tube; and a rotor mounted in the tube such that the rotor can move in the tube in a longitudinal axial direction of the tube; the rotor includes one or more of a paramagnetic and ferromagnetic material and is movable in the longitudinal axial direction by application of an electromagnetic field; the stator includes: a distal permanent magnet and a proximal permanent magnet, the distal permanent magnet and the proximal permanent magnet being oppositely polarized in the longitudinal axial direction; and at least one electric coil for generating the electromagnetic field; wherein the distal permanent magnet and the proximal permanent magnet are arranged on an outer side of the coil facing away from the tube.

Abstract: An endoscope having a viewing direction aligned obliquely with respect to a longitudinal axis, the endoscope including: a shaft with a cladding tube and a fiber tube arranged therein; an object lens arranged in the shaft; and a prism module arranged in the shaft for deflecting the beam path, wherein the prism module is arranged eccentrically with respect to the object lens.