Aspects of the present disclosure are presented for providing coordinated energy outputs of separate but connected modules, in some cases using communication protocols such as the Data Distribution Service standard (DDS). In some aspects, there is provided a communication circuit between a header or main device, a first module, and a second module, each including connection to a segment of a common backplane, where the output from a first module can be adjusted by sensing a parameter from a second module. In some aspects, the signal can pass from the first module through the header to the second module, or in other cases directly from the first module to the second module. Aspects of the present disclosure also include methods for automatically activating a bipolar surgical system in one or more of the modular systems using the DDS standard.

A method for controlling an output of an energy module of a modular energy system. The energy module can comprise a plurality of amplifiers configured to generate a drive signal at a frequency range and a plurality of ports coupled to the plurality of amplifiers. The method includes determining to which port of the plurality of ports the surgical instrument is connected, selectively coupling an amplifier of the plurality of amplifiers to the port of the plurality of ports to which the surgical instrument is connected, and controlling the amplifier to deliver the drive signal for driving the energy modality to the surgical instrument through the port.

A first module configured to engage with a second module in a stacked configuration to define a modular energy system is provided. The second module comprises a second bridge connector portion that comprises a second outer housing and a second electrical connection element. The first module comprises a first bridge connector portion comprising a first outer housing and a first electrical connection element. The first outer housing is configured to engage the second outer housing during assembly of the modular energy system prior to the first electrical connection element engaging the second electrical connection element.

A surgical instrument system is disclosed comprising a handle, an elongate shaft selectively attachable to the handle, a battery pack replaceably attachable to the handle, and an end effector extending distally from the elongate shaft. In various instances, the battery pack comprises a power source couplable to the motor and a display. The elongate shaft comprises a processor and a memory couplable to the processor. In various instances, the memory comprises a control program which, when executed, causes the processor to initiate a desired function. In various instances, the end effector comprises a sensing circuit configured to detect a condition of the end effector. The sensing circuit is in signal communication with the processor.

Electrical instrument for applying radiofrequency and/or microwave frequency energy to tissue, comprising: a distal part comprising an instrument tip for applying radiofrequency and/or microwave frequency energy to tissue, the instrument tip comprising first and second conductive elements; a coaxial feed cable comprising an inner conductor, a tubular outer conductor coaxial with the inner conductor, and dielectric material separating the inner and outer conductors, the coaxial feed cable being for conveying radiofrequency and/or microwave frequency energy to the distal part; wherein: the inner conductor is electrically connected to the first conductive element and the outer conductor is electrically connected to the second conductive element through a rotatable connection between the distal part and the coaxial feed cable that allows rotation of the distal part relative to the coaxial feed cable; and the instrument comprises an actuator for rotating the distal part in a first rotational direction relative to the feed cable.

A bipolar radiofrequency (RF) device for treating tissue in the presence of an electrically conductive fluid includes a headpiece and a probe. The handpiece has a motor drive, a receiving channel, and an active electrical contact on an inner wall of the receiving channel. A return electrical contact is disposed proximally of the active electrical contact on the inner wall of the receiving channel. A probe includes a proximal hub and an elongated shaft extending distally about a longitudinal axis from the proximal hub, and the hub being may be inserted into and removed from the receiving channel of the handpiece. A working end of the probe is located at a distal end of the elongated shaft, and the working end includes an active electrode and a return electrode. A return electrical contact is located proximally of an active electrical contact on an outer surface of the hub. In this way, the return electrical contacts in the receiving channel and on the outer surface of the hub, respectively, and the achieve electrical contacts in the receiving channel and on the outer surface of the hub, respectively, engage each other when the hub is inserted into the receiving channel of the handpiece.

There is provided herein a catheter for resecting an undesired tissue from a body of a subject, the catheter comprising a tip section in a shape of a cylinder or a cylinder's sector having a central longitudinal axis, the tip section comprising: a central longitudinal lumen; a first set of optical fibers configured to transmit laser radiation outside a distal extremity of the tip section, in a direction parallel to the central longitudinal axis; a second set of optical fibers configured to transmit laser radiation, transversely to the central longitudinal axis; wherein the first set of optical fibers and the second set of optical fibers are selectively operable to resect and/or ablate the undesired tissue.

A modular surgical system is disclosed includes a header module including a power supply, a first surgical module, a second surgical module, and a segmented power backplane. The first surgical module is arrangeable in a stack configuration with the header module and the second surgical module. The segmented power backplane includes a first backplane segment in the header module, a second backplane segment in the first surgical module, and a third backplane segment in the second surgical module. The second backplane segment is detachably coupled to the first backplane segment in the stack configuration and the third backplane segment is detachably coupled to the second backplane segment in the stack configuration. The first backplane segment, the second backplane segment, and the third backplane segment are configured to cooperate to transmit energy from the power supply to the second surgical module in the stack configuration.

A method for constructing a modular surgical system is disclosed. The method comprises providing a header module comprising a first power backplane segment, providing a surgical module comprising a second power backplane segment, assembling the header module and the surgical module to electrically couple the first power backplane segment and the second power backplane segment to each other to form a power backplane, and applying power to the surgical module through the power backplane.

Example embodiments relate to surgical systems having an end-effector assembly, first arm assembly, elbow joint section, and second arm assembly. First arm assembly forms a first arm assembly axis. First end of elbow joint section is pivotable relative to its second end. Second arm assembly includes second arm assembly body and first elbow drive assembly. Second arm assembly body forms a second arm assembly axis. First elbow drive assembly includes a first integrated motor and first elbow drive portion. First elbow drive portion is controllable by the first integrated motor to pivotally move the first arm assembly relative to an elbow axis. First arm assembly includes a second elbow drive assembly having a second integrated motor and a second elbow drive portion. Second elbow drive portion is controllable by the second integrated motor to rotate first arm assembly relative to first arm assembly axis.