A61B34/70

Electrosurgical device with disposable shaft having modular subassembly

An apparatus comprises an end effector, a shaft assembly, and an interface assembly. The end effector is operable to manipulate tissue, the shaft assembly is in communication with the end effector and a portion of the shaft assembly extends proximally from the end effector. The interface assembly is in communication with the shaft assembly. The interface assembly comprises a housing portion, a shaft cartridge, and a base portion. The housing portion can engage the shaft cartridge. The shaft cartridge is able to rotate and articulate the end effector, and the shaft assembly extends from the shaft cartridge. The base portion and the housing portion are able to enclose the shaft cartridge.

Medical support arm apparatus

A medical support system that includes a support arm including one or more active joints having an actuator, and one or more passive coupling mechanisms including a passive joint and a telescopic extension arm, the passive joint having no actuator; and processing circuitry configured to obtain information indicating a change due to movement of the one or more passive coupling mechanisms, and control the actuator of each of the one or more active joints based on the obtained information indicating the change, and the telescopic extension arm is positioned between (1) an active joint of the one or more active joints on a first side of the telescopic extension arm, and (2) the passive joint on a second side of the telescopic extension arm, the first side being closer to an proximal end of the support arm than a distal end of the support arm.

Surgical table base with high stiffness and adjustable support members with force feedback

Apparatus and methods for providing a surgical table base with sufficient stiffness and adjustable support members with force feedback are described herein. In some embodiments, a base for a surgical table includes a base body to which other components of a surgical table can be coupled. A surgical table, and optionally a patient supportable by the surgical table, and any equipment to be carried by the surgical table, collectively representing a table load to be carried by the base body to support the surgical table on a surface. The base further includes a support assembly coupled to the base body to support the base body on the surface. The support assembly includes at least four support members. Each support member has a surface-engaging end and can transmit a portion of a total load represented by the weight of the base and the table load through the surface-engaging end to the surface. The surface-engaging ends of any three of the four support members define a plane. One of the support members is adjustable to move the one support member relative to a plane defined by the three of the other support members and thereby to change the portion of the total load carried by one of the support members. The base further includes a load sensor operably coupled to the support assembly and disposed to detect the portion of the total load carried by one of the support members.

ROBOTIC SURGICAL INTERVENTION DEVICE WITH CONTROLLED ARTICULATED ARM FOR FOLLOWING A PATH
20220331026 · 2022-10-20 ·

A robotic surgical intervention device includes an articulated arm, with actuating motors, a distal end of which is intended to carry a surgical instrument, a control peripheral of the articulated arm for moving a functional end of the surgical instrument along a path, and a processor for processing movement instructions provided by the control peripheral to convert them into instructions for controlling the actuating motors of the articulated arm. It further includes a trigger for automatic reversal of the articulated arm, the actuation of which causes individual reverse control instructions to be sent to each of the actuating motors of the articulated arm for a reverse movement of the functional end of the surgical instrument along the completed path.

Drill guide fixtures, cranial insertion fixtures, and related methods and robotic systems

A drill guide fixture may be configured to prepare a skull for attachment of a cranial insertion fixture. The drill guide fixture may include a central drill guide and a bone anchor guide at a base of the drill guide fixture. The central drill guide may define a central drill guide hole therethrough, wherein the central drill guide hole has a first opening at a base of the drill guide fixture and a second opening spaced apart from the base of the drill guide fixture. The bone anchor drill guide may define a bone anchor drill guide hole therethrough, and the bone anchor drill guide hole may be offset from the central drill guide hole in a direction that is perpendicular with respect to a direction of the central drill guide hole. Related cranial insertion fixtures, robotic systems, and methods are also discussed.

Robotically powered surgical device with manually-actuatable reversing system
11602346 · 2023-03-14 · ·

A surgical tool for use with a robotic system that includes a tool drive assembly that is operatively coupled to a control unit of the robotic system that is operable by inputs from an operator and is configured to robotically-generate output motions. A drive system is configured to interface with a corresponding portion of the tool drive assembly for receiving the robotically-generated output motions and applying the output motions to a drive shaft assembly which is configured to apply control motions to a surgical end effector operably coupled thereto. A manually-actuatable control system operably interfaces with the drive shaft assembly to facilitate the selective application of manually-generated control motions to the drive shaft assembly.

ELECTROSURGICAL NETWORK
20230125373 · 2023-04-27 ·

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.

SYSTEMS AND METHODS FOR HYBRID IMAGING AND NAVIGATION
20230072879 · 2023-03-09 ·

A method is provided for navigating an endoscopic device through an anatomical luminal network of a patient. The method comprises: (a) commanding a distal tip of an articulating elongate member to move along a pre-determined path; (b) concurrent with (a), collecting positional sensor data and kinematics data; and (c) computing an estimated roll angle based on the positional sensor data and the kinematics data.

Surgical system and method utilizing impulse modeling for controlling an instrument
11471232 · 2022-10-18 · ·

A surgical system for applying an energy applicator to a target tissue and methods operating the same are disclosed. The energy applicator extends from a surgical instrument. The surgical system comprises a sensor to measure external forces and torques placed on the surgical instrument. A surgical manipulator is configured to move the energy applicator in a manual mode in response to the external forces and torques. At least one controller is configured to: model the surgical instrument and the energy applicator as a virtual rigid body having a virtual mass; calculate, using impulse modeling, constraining forces and torques to be applied to the virtual rigid body; determine total forces and torques based on the external forces and torques and the constraining forces and torques; and advance the energy applicator in the manual mode based on the total forces and torques.

Medical manipulator and manipulation method of medical manipulator
11471139 · 2022-10-18 · ·

A medical manipulator includes: an insertion portion, an end effector, a bend restraining unit, a position detector, an operation unit, a first drive unit, and a control unit. The control unit is configured to generate the first drive signal based on an output and the position of the bend restraining unit which is detected by the position detector. The output is output from the operation unit that operates the bending portion.