Cmr Surgical Limited

Ross Hamilton Henrywood

Gordon Thomas Deane

Rebecca Anne Cuthbertson

Edward James Wildin Tucker

Rachel Marie Garsed

Luke David Ronald Hares

Duncan Robinson

Ben Robert Chaplin

Archie John Ralph Lodge

A surgical robotic system comprises a surgeon console, remote surgical robot, and a control unit. The surgeon console comprises a base connected to a hand controller by a linkage, the linkage comprising a plurality of joints whereby the configuration of the linkage can be altered. The surgeon console comprises a driver to drive each joint to move. The surgeon console further comprises a presence sensor to sense the presence of a surgeon's hand on the hand controller. The control unit receives user inputs from the hand controller, converts the received user inputs into command signals for driving manipulation of the surgical robot, receives sensory inputs from sensors including the presence sensor, and responds to, during a surgical operation, concurrently detecting from the received sensory inputs (i) the lack of a surgeon's hand on the hand controller, and (ii) an external force additional to gravity acting on the hand controller, by controlling the drivers to drive the joints with a damped response in the direction of the external force.

Haptic control of a surgeon console

A control system for controlling a surgical robot by a surgeon console remote from the surgical robot, the control system being configured to: receive one or more state signal associated with a plurality of instruments, each of the plurality of instruments being attachable to the surgical robot, the one or more state signal indicating a selectability of each of the plurality of instruments for control by the surgeon console, and a control mode of each of the plurality of instruments from a group of modes, the group of modes comprising a manipulation mode in which an instrument of the plurality of instruments is controllable by the surgeon console, and a selection mode in which an instrument of the plurality of instruments is selectable for control by the surgeon console; determine a graphical arrangement of icons for display in dependence on the received one or more state signal, where each icon represents a respective one of the plurality of instruments, and output a display signal to cause the graphical arrangement of icons to be displayed; receive a mode change signal.

Control system for controlling a surgical robot

A control system for regulating operative control of a surgical instrument by a remote surgeon input device. The surgical instrument is supported by an articulated robot arm, and comprises an end effector connected to a shaft by an articulated coupling. The remote surgeon input device is capable of operatively controlling the surgical instrument by controlling articulation of the end effector, and controlling articulation of the robot arm and coupling. On receiving a request to engage operative control of the surgical instrument by the surgeon input device, the control system initially engages operative control of articulation of the robot arm and coupling by the surgeon input device, whilst maintaining disengagement of operative control of articulation of the end effector by the surgeon input device. Subsequently, the control system engages operative control of articulation of the end effector by the surgeon input device following a manipulation of the surgeon input device.

Controlling a surgical instrument

An electrosurgical system comprising: a plurality of electrosurgical connection units, each electrosurgical connection unit comprising an input port connectable to an electrosurgical channel and an output port connectable to an electrosurgical instrument, the electrosurgical connection unit configured to connect the input port to the output port; an electrosurgical network comprising a plurality of electrosurgical links that connect the input ports of the electrosurgical connection units to an electrosurgical channel; and a control unit configured to: receive information from a device indicating that the device has detected an electrosurgical generator connected to the electrosurgical channel, the device being one of the electrosurgical connection units and an electrosurgical output device connected to the electrosurgical channel; determine a location of the electrosurgical generator in the electrosurgical network based on the received information; and transmit one or more control signals to the electrosurgical connection units and/or one or more electrosurgical output devices connected to the electrosurgical channel to cause the output port of a selected combination of electrosurgical connection units to be connected to the electrosurgical channel based on the determined location of the electrosurgical generator.

Electrosurgical network

A control system for controlling a surgical robot by a surgeon console remote from the surgical robot, the control system being configured to: receive one or more state signal associated with a plurality of instruments, each of the plurality of instruments being attachable to the surgical robot, the one or more state signal indicating a selectability of each of the plurality of instruments for control by the surgeon console, and a control mode of each of the plurality of instruments from a group of modes, the group of modes comprising a manipulation mode in which an instrument of the plurality of instruments is controllable by the surgeon console, and a selection mode in which an instrument of the plurality of instruments is selectable for control by the surgeon console; determine a graphical arrangement of icons for display in dependence on the received one or more state signal, where each icon represents a respective one of the plurality of instruments, and output a display signal to cause the graphical arrangement of icons to be displayed; receive a mode change signal indicating a change of mode to the selection mode; modify, in response to the received mode change signal, the graphical arrangement of icons to permit identification of selectable instruments of the plurality of instruments; receive a select signal from the surgeon console indicating a selection of one of the selectable instruments; modify, in response to the received select signal, the graphical arrangement of icons to permit identification of the selected instrument; and enable control of the selected instrument by the surgeon console.

A robotic surgical instrument comprising a shaft, a first end effector element, an articulation connecting the first end effector element to a distal end of the shaft, the first end effector element being movable relative to the articulation, and a drive mechanism at a proximal end of the shaft. The drive mechanism comprises a first actuator connected to the first end effector element by a first pair of driving elements. The first pair of driving elements are configured such that a tension force applied by the first actuator to a first one of the first pair of driving elements causes the first end effector element to move relative to the articulation in a first motion direction, and the tension force applied to a second one of the first pair of driving elements causes the first end effector element to move relative to the articulation in a second motion direction. The first one of the first pair of driving elements has a first path between the first actuator and the first end effector element, and the second one of the first pair of driving elements has a second path between the first actuator and the first end effector element. The first path has a lower tension force loss than the second path such that the first motion direction transfers a greater proportion of the tension force to the first end effector element than the second motion direction.

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Cambridge, United Kingdom

Ross Hamilton Henrywood