Abstract: An endoscope including an elongated shaft. The elongated shaft including: an inner shaft tube in which an optical system is received; an outer shaft assembly including an outer shaft tube and a tubular support body proximally abutting the outer shaft tube; at least one bundle of optical fibers disposed between the inner shaft tube and the outer shaft tube; and an electrical connector arranged between the inner shaft tube and the support body. Where the support body includes at least a first web and a second web each extending radially between an inner surface of the support body and an outer surface of the inner shaft tube, the first web and the second web also extending in a longitudinal direction of the shaft such that an annular space between the inner shaft tube and the support body is divided into at least two segments.

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: 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 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: 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: An endoscope including: an elongated shaft comprising at least a first shaft tube with a window inserted in its distal end, and an electrical heating device arranged proximate to the window at or in the first shaft tube; wherein the heating device includes a flexible printed circuit board on which a resistive heating element configured as a conductor loop and a temperature sensor are arranged, and a heat-conducting structure connected in a thermally conductive manner to the temperature sensor is applied to the printed circuit board.

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 deflection prism assembly for an endoscope having a lateral viewing direction. The deflection prism assembly including: a prism holder; a deflection prism which is received in the prism holder; and at least one electrical heating element for heating the deflection prism. The prism holder includes a reception component and an adjustment component. The deflection prism is attached to the reception component and the adjustment component provides a stop for the deflection prism in an axial direction. Wherein the at least one electrical heating element being disposed in or on the reception component; and the at least one electrical heating element at least partially extending in one or more of a circumferential direction or longitudinal direction of the reception component.

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: 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: 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: 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 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 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.

Abstract: An endoscope including an elongated shaft. The elongated shaft including: an inner shaft tube in which an optical system is received; an outer shaft assembly including an outer shaft tube and a tubular support body proximally abutting the outer shaft tube; at least one bundle of optical fibers disposed between the inner shaft tube and the outer shaft tube; and an electrical connector arranged between the inner shaft tube and the support body. Where the support body includes at least a first web and a second web each extending radially between an inner surface of the support body and an outer surface of the inner shaft tube, the first web and the second web also extending in a longitudinal direction of the shaft such that an annular space between the inner shaft tube and the support body is divided into at least two segments.

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: 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 holder for a surgical instrument, where the holder includes: an image sensor, the image sensor having a photo-sensitive layer and a rear side facing away from the photo-sensitive layer; and a circuit board, a first side of the circuit board being connected to the rear side of the image sensor. The holder may have a cover member having a first side arranged on a second side of the circuit board, the second side of the circuit board facing away from the image sensor. The cover member may io be configured to form an interspace between the first side of the cover member and the second side of the circuit board, and the interspace may be filled with an adhesive.

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: An endoscope including: an elongated shaft comprising at least a first shaft tube with a window inserted in its distal end, and an electrical heating device arranged proximate to the window at or in the first shaft tube; wherein the heating device includes a flexible printed circuit board on which a resistive heating element configured as a conductor loop and a temperature sensor are arranged, and a heat-conducting structure connected in a thermally conductive manner to the temperature sensor is applied to the printed circuit board.