Abstract: The disclosure relates to a steering mechanism for a surgical instrument. The steering mechanism has two motorized drives and is designed to spatially align a swash plate over the control angle of the two drives, said swash plate being designed to control a distal bending mechanism of the surgical instrument. A first drive of the two drives has a first motor which drives a worm shaft that drives a worm wheel rim of a double gear consisting of a worm wheel rim and a bevel wheel rim), and a second drive of the two drives has a second motor which drives a worm shaft that drives a worm wheel rim of a double gear consisting of a worm wheel rim and a bevel wheel rim. The swash plate is arranged between the two bevel wheel rims, which face each other and lie on a common axis.

Abstract: A surgical instrument includes an actuation device. The surgical instrument includes a hollow shaft having a tool at the distal end of the shaft. The tool includes two jaw parts, and the actuation device is operatively connected to an actuation rod mounted in the shaft so as to and move and close the jaw parts. The actuation device includes a cam wheel that is operatively connected to the actuation rod by a connection portion. The actuation device includes a bearing device that provides forced guidance of a cam-follower pin along a longitudinal axis, such that, when the cam wheel is rotated about a rotational axis of the cam wheel, a linear movement of the cam-follower pin, guided in the cam track, and the actuation rod operatively connected thereto is provided along the longitudinal axis.

Abstract: An exemplary embodiment provides a steering gear (13) for a surgical instrument (1) which has two motorised drives and is designed to spatially align a swash plate (14) via the adjustment angles of the two drives, which is designed to control the distal bending mechanism (9) of the surgical instrument (1). The first drive has a first drive pinion (16) which can be driven by a first motor (17) via a first drive shaft (17a) which defines a first drive axis (C) and which is connected to a first drive wheel rim (19) of a first drive wheel (18) in operative connection. The second drive has a second drive pinion (16?) which can be driven by a second motor (17?) via a second drive shaft (17a?) which defines a second drive axis (C?) and is connected to a second drive wheel rim (19?) of a second drive wheel (18?) in operative connection.

Abstract: A steering gear for a surgical instrument includes two motorized drives designed to spatially align a wobble plate via the adjustment angle of the two drives, which is designed to control a distal angling mechanism of the surgical instrument. A first of the two drives has a first motor, which drives a drive pinion via a driveshaft, which engages with a lateral toothing of a first toothed rack, driving a first transmission pinion of a first double gear. A second of the two drives has a second motor driving a drive pinion via a driveshaft, which engages with a lateral toothing of a second toothed rack and drives a second transmission pinion of a second double gear wheel. The wobble plate is arranged between the two bevel gear rims, which are facing one another and lie on a common axis.

Abstract: The present application is directed to an endoscopic device with a shaft which has at least one segment that can be deflected in at least one plane, with an end effector which is arranged on an end segment of the shaft and which includes at least one tool piece, with an actuating unit that is designed for actuating the end effector and which extends at least in part through the shaft and is embodied flexible, at least in segments. The actuating unit has at least one electrical pole conductor for providing at least one electrical potential for the tool piece.

Abstract: The invention relates to a medical instrument having a hollow shaft, whose proximal end can be connected to an operating unit and having a tool tip arranged at the distal end of the shaft having a tool arranged at the distal end of the tool tip, wherein the tool has two jaw parts, which can be pivoted relative to one another and wherein the jaw parts are pivoted via actuating elements, which are mounted so as to be axially displaceable in the shaft and which can be actuated on the proximal side via the operating unit and wherein the tool tip can be pivoted via a joint mechanism relative to the longitudinal axis of the shaft.

Abstract: A steering gear for a surgical instrument includes an angling mechanism which can be controlled by a spatially adjustable wobble plate. The steering gear has a first and a second drive wheel with a respective associated motor, and the second drive wheel is arranged offset by 180° relative to the first drive wheel on an axis of rotation in common with the first drive wheel and perpendicular to the longitudinal axis. The wobble plate is mounted between the first drive wheel and the second drive wheel in a steering ring. A retaining bracket rotatably about the common axis of rotation of the drive wheels, wherein the steering ring is mounted in the retaining bracket an rotatable about the axis of rotation of the third gear wheel, such that the engagement between the third gear wheel and the drive wheels is secured.

Abstract: The present invention relates to a connecting device and to a monopolar cable for surgical instruments operable in a monopolar and bipolar manner, especially for high-frequency surgery, and a corresponding surgical instrument and surgical system. An electrical terminal of the connecting device is designed to be connectable either to a monopolar cable for monopolar operation or to a bipolar cable for bipolar operation. A first contact and a second contact of the electrical terminal are electrically connected to an accessory coupling of the connecting device and are designed with insulation such that an accessory coupled by the accessory coupling is operable either in a monopolar or bipolar manner via the two contacts. The present invention further relates to a monopolar cable for such a connecting device, to a surgical instrument comprising such a connecting device and to a surgical system comprising such a surgical instrument and such a monopolar cable.

Abstract: A medical holding arm device for a medical holding arm includes a holding arm segment, a further holding arm segment connected to the holding arm segment, a joint which connects the holding arm segment and the further holding arm segment to one another, a lock associated with the joint which locks the joint in a first operating state and releases it in a second operating state. The lock has a locking element for locking the joint and a transmission element for transmitting a force to the locking element. An actuator actuates the lock by exerting a force to transfer the locking mechanism from one operating state to the other. The medical holding arm device has a force sensor which at least indirectly detects a force exerted by the actuator on the lock in order to detect an operating state of the lock.

Abstract: A medical system for operating an assisted system for minimally invasive surgery, includes a robot configured to hold and move a medical instrument; an access device arrangeable to provide access to a body cavity for a medical instrument held by the robot, wherein the access device includes a position indicator; a measuring unit having a sensor configured to carry out a sensor measurement directed at the position indicator; a position determining unit configured to determine a position of the access device according to the sensor measurement; a pivot point determining unit configured to determine a pivot point for the access device according to the determined position of the access device, and a robot controller configured to determine control commands for controlling the robot according to the determined pivot point, in such a way that the robot performs pivot movements of the medical instrument about the pivot point.

Abstract: The present invention relates to a connecting device and to a monopolar cable for surgical instruments operable in a monopolar and bipolar manner, especially for high-frequency surgery, and a corresponding surgical instrument and surgical system. An electrical terminal of the connecting device is designed to be connectable either to a monopolar cable for monopolar operation or to a bipolar cable for bipolar operation. A first contact and a second contact of the electrical terminal are electrically connected to an accessory coupling of the connecting device and are designed with insulation such that an accessory coupled by the accessory coupling is operable either in a monopolar or bipolar manner via the two contacts. The present invention further relates to a monopolar cable for such a connecting device, to a surgical instrument comprising such a connecting device and to a surgical system comprising such a surgical instrument and such a monopolar cable.

Abstract: One exemplary embodiment relates to an input unit (10) for operating a medical instrument (12) with a hollow shaft (14) extending along a longitudinal axis (L) for receiving guide wires (20), with a tool (16) arranged on the distal side of the shaft (14), extending along an extension axis (E) and a control unit (18) arranged proximally on the shaft (14) for handling the tool (16) by means of the guide wires (20), comprising first input means (22) for continuous, pivoting and rotation-true, preferably uninterrupted and/or absolute, conversion of an ergonomically limited user input, in particular a natural user movement of movable first operating means, into an adjustment movement of the tool (16) in a first handling mode, in order to pivot the tool (16) by means of the control unit (18) relative to the longitudinal axis (L) in a limited way and/or to rotate about the extension axis (E) in a limited way.

Abstract: An exemplary embodiment provides a steering gear (13) for a surgical instrument (1), which can be arranged at the proximal end (3) of a shaft (2) that defines a longitudinal axis (B) and has a bending mechanism (9) at the distal end (5). The steering gear (13) has two controllable and adjustable motorised drives and is designed to transfer the adjustment angles of the two controllable and adjustable motorised drives to a spatial alignment of a swash plate (14) which is designed to control the distal bending mechanism (9) of the surgical instrument (1).

Abstract: The invention relates to a medical instrument having a hollow shaft, whose proximal end can be connected to an operating unit and having a tool tip arranged at the distal end of the shaft having a tool arranged at the distal end of the tool tip, wherein the tool has two jaw parts, which can be pivoted relative to one another and wherein the jaw parts are pivoted via actuating elements which are mounted so as to be axially displaceable in the shaft and which can be actuated on the proximal side via the operating unit and wherein the tool tip can be pivoted via a joint mechanism relative to the longitudinal axis of the shaft.

Abstract: The invention relates to a medical instrument having a hollow shaft, whose proximal end can be connected to an operating unit and having a tool tip arranged at the distal end of the shaft having a tool arranged at the distal end of the tool tip, wherein the tool has two jaw parts, which can be pivoted relative to one another and wherein the jaw parts are pivoted via actuating elements, which are mounted so as to be axially displaceable in the shaft and which can be actuated on the proximal side via the operating unit and wherein the tool tip can be pivoted via a joint mechanism relative to the longitudinal axis of the shaft.

Abstract: An exemplary embodiment relates to an end effector (1), in particular a robot end effector, a device (20) with an operating element (25) for controlling an end effector (1), a robot with at least one end effector (1) and a medical telemanipulation system.

Abstract: A locking device arranged in an actuation unit of a surgical instrument which has a hollow shaft with the actuation unit arranged at a proximal end of the shaft and having a tool at the distal end of the shaft which can be actuated by an instrument insert which can be movably stored axially in the direction of a main instrument axis (A) in the shaft. The locking device has an engagement element and an actuation device with which the engagement element can be transferred from a release position into a locking position. The engagement element can be a locking bolt which longitudinal axis runs perpendicular to the main axis (A) of the instrument and which has an engagement section configured for engagement with the instrument insert at a first end and a guide section. The locking bolt can be moved in two directions of movement by the actuation device.

Abstract: A steering gear for a surgical instrument includes two motorized drives designed to spatially align a wobble plate via the adjustment angle of the two drives, which is designed to control a distal angling mechanism of the surgical instrument. A first of the two drives has a first motor, which drives a drive pinion via a driveshaft, which engages with a lateral toothing of a first toothed rack, driving a first transmission pinion of a first double gear. A second of the two drives has a second motor driving a drive pinion via a driveshaft, which engages with a lateral toothing of a second toothed rack and drives a second transmission pinion of a second double gear wheel. The wobble plate is arranged between the two bevel gear rims, which are facing one another and lie on a common axis.

Abstract: An input unit for operating a medical instrument includes: a hollow shaft extending along a longitudinal axis for receiving steering wires; a tool arranged at the distal end of the shaft and formed along an axis of extent; and a control unit, which is arranged at the proximal end of the shaft, for manipulating the tool by means of the steering wires. The input unit comprises first input means for continuously converting, in a pivotably and/or rotationally true manner and preferably without interruption and/or absolutely, an ergonomically limited user input, in particular a natural user movement of movable first operating means, into an adjustment movement of the tool in a first handling mode, in order to pivot the tool to a limited extent relative to the longitudinal axis and/or rotate it to a limited extent about the axis of extent by means of the control unit.

Abstract: A handling device for an electro-surgical instrument includes a joint mechanism which has at least one handling-side lever which can be moved for manipulation; a lever extension which is configured as an electrical insulator and is fixedly coupled to the lever; and an electrically conductive contact portion which is fixedly coupled to the lever extension. The electrically conductive contact portion is arranged on a side of the lever extension which can be subjected to force via the joint mechanism and is configured for electro-surgical contacting biological tissue. A method produces a handling device for an electro-surgical instrument and a corresponding electro-surgical instrument, in particular an endoscopic instrument.