Abstract: A powered surgical device includes a handle assembly (12, 312, 512) having a rack (56, 356, 556), a first switch (62) for initiating clamping and firing of the surgical device, and a second switch (68, 368, 568) for initiating automatic retraction of the rack (56, 356, 556). The second switch (68, 368, 568) is controlled by a switch control mechanism (80, 380, 580) that is engaged with the rack (56, 356, 556) in the handle assembly (12, 312, 512) to initiate automatic retraction of the rack (56, 356, 556) when firing is completed.

Abstract: Methods and systems for capturing capnography data during high-flow oxygen therapy (HFOT) are disclosed. An example method includes delivering HFOT by delivering breathing gases at an operational flow rate and an operational oxygen concentration level; initiating a temporary flow-reduction function for a set duration, wherein breathing gases are delivered at a temporary flow rate for the set duration, the temporary flow rate being less than the operational flow rate; capturing capnography data for exhaled air during the set duration; and upon expiration of the set duration, resuming HFOT delivery.

Abstract: An extended reality head-mounted display system is provided. The extended reality head-mounted display system includes: a head-mounted display having a lens and a display screen located on an inner surface of the lens for projecting a real-world video feed; integrated zoom-in functionality; and a processor coupled to memory. The processor is configured to execute instructions that cause a portion of the display screen to project a zoomed-in image of the real-world video feed to a wearer of the head-mounted display. An extended reality head-mounted display system including multiple head-mounted displays is also provided, as is a method for zooming-in on a portion of the real-world video feed using the extended reality head-mounted display system.

Abstract: A surgical instrument includes a housing, a shaft extending distally from the housing, an end effector assembly disposed at a distal end of the shaft, a knife slidably disposed within the shaft, a movable handle operably coupled to the housing, a trigger operably coupled to the housing, a drive assembly operably coupled between the movable handle and the end effector assembly such that movement of the movable handle manipulates the end effector assembly, and a linkage operably coupled between the trigger and the knife such that movement of the trigger deploys the knife. In an initial position of the movable handle, a portion of a drive housing of the drive assembly intersects a path of movement of the linkage to inhibit movement of the linkage, thereby inhibiting actuation of the trigger.

Abstract: Methods, systems, and computer-readable media for registering electromagnetic navigation data of a luminal network to a 3D model of the luminal network includes accessing a 3D model of a luminal network based on computed tomographic (CT) images of the luminal network, the 3D model corresponding to a CT coordinate space, selecting a plurality of reference points within the 3D model of the luminal network, accessing a plurality of survey points within the luminal network, the plurality of survey points being based on electromagnetic navigation data and corresponding to a body coordinate space, correlating the plurality of reference points and the plurality of survey points to determine pairs of correlated reference points and survey points; and deriving a transformation that maps the body coordinate space to the CT coordinate space based on the pairs of correlated reference points and survey points.

Abstract: A surgical access assembly includes a cannula, a valve housing attached to the cannula, and a valve assembly positioned in the valve housing. The valve assembly includes a centering mechanism with a hoop and fingers, a ring with a flange at one end of the ring, a retainer having first and second discs, a guard having a frame and flaps attached to the frame, and a seal with petals attached to a support. The guard is at least partially disposed in the first disc and the seal is at least partially disposed in the second disc.

Abstract: Devices, systems, and methods for retrieving clot material from a vessel lumen are disclosed herein. According to some embodiments, the present technology includes a clot retrieval device comprising a tubular mesh configured to transition between a low-profile state for delivery through a delivery catheter and an expanded state for deployment in a blood vessel at a treatment site proximate a clot. The device can include a webbing coupled to the tubular mesh and comprising a plurality of filaments coupled to and extending across a lumen of the mesh. When the device is in the expanded state within the blood vessel at the treatment site, the mesh is configured to engage peripheral portions of the clot and the webbing is configured to engage non-peripheral portions of the clot.

Abstract: A surgical cart for supporting a robotic arm includes a base, a plurality of casters coupled to the base, and a secondary braking mechanism that prevents the casters from being manually moved out of a locked state until a surgical instrument is at a safe distance from an operative site within a patient.

Abstract: A surgical stapler system for real-time tissue perfusion assessment during clamping includes a powered surgical stapler with a handle assembly, adapter assembly, and an end effector comprising a reload assembly with staples and an anvil assembly. Integrated into the system is a near-infrared spectroscopy (NIRS) system featuring light sources and photodetectors. The method involves clamping tissue between the reload and anvil assemblies, transmitting near-infrared light through the clamped tissue, and detecting backscattered light to determine tissue perfusion levels. The perfusion data is processed and displayed in real-time, allowing adjustments to the clamping force to ensure adequate perfusion before stapling. The system enhances surgical outcomes by providing real-time feedback on tissue viability during critical phases of the stapling procedure.

Abstract: A method of assisting a manometry procedure includes recording, by a processor, a plurality of pressure measurements taken by a catheter inserted within a gastrointestinal tract of a patient, determining, by the processor, a pressure pattern based on the plurality of pressure measurements, and determining whether the determined pressure pattern is an acceptable pressure pattern or an unacceptable pressure pattern.

Abstract: Treatment of aneurysms can be improved by delivering an occlusive member (e.g., an expandable braid) to an aneurysm sac in conjunction with an embolic element (e.g., coils, embolic material). A treatment system for such treatment can include an electrolytically corrodible conduit having a proximal portion, a distal portion, and a detachment zone between the proximal portion and the distal portion. An occlusive member having a proximal hub is coupled to the conduit distal portion. The conduit has a lumen configured to pass an embolic element therethrough. An inner electrode assembly can be slidably disposed within the conduit lumen to facilitate electrolytic detachment of the occlusive member at the detachment zone.

Abstract: A surgical robotic system includes a control tower and a mobile cart. The control tower is configured to selectively output power and includes a frequency generator and a converter. The frequency generator is configured to generate an electrical frequency signal and the converter is configured to receive the electrical frequency signal and convert the electrical frequency signal to a first optical signal having a unique identifier frequency. The mobile cart is configured to receive the first optical signal from the control tower and includes an optical splice configured to loop the first optical signal back to the control tower as a second optical signal and deliver the first optical signal to a frequency monitor of the mobile cart.

Abstract: Systems and methods for removal of clot material from vessel lumens are disclosed. A medical device assembly can include a catheter having a lumen and a distal portion configured to be positioned at or adjacent a treatment site within a vessel. An expandable member has a first portion coupled to the distal portion of the catheter, and a second portion extending away from the catheter distal portion. An elongate shaft extends through the lumen of the catheter, and the second portion of the expandable member is releasably coupled to the shaft. When the shaft is slidably moved relative to the surrounding catheter, the second portion of the expandable member can be released from the shaft, and the shaft can be withdrawn or removed.

Abstract: A surgical robotic system includes an image capturing device, a surgical console, a multi-directional indicator, a surgical instrument, and a control tower. The image capturing device is configured to capture an image of a surgical site. The surgical console includes a display configured to display the image of the surgical site. The multi-directional indicator is overlaid over the image of the surgical site on the display. The user input device is operably coupled to the surgical console and configured to generate a user input. The surgical instrument is coupled to a surgical robotic arm. The control tower is configured to receive user input from the user input device and control at least one of the surgical robotic arm or the surgical instrument.

Abstract: A powered handheld electromechanical surgical device includes a motor configured to drive extension and retraction of a drive component, a sensor configured to sense force exerted on the drive component during extension of the drive component, and a controller including a processor and a non-transitory computer-readable storage medium storing instructions that, when executed by the processor, cause the processor to receive the sensed force from the sensor, control a speed of the motor during extension of the drive component in accordance with the sensed force, determine a speed profile or a force profile during extension of the drive component, and control a speed of the motor during retraction of the drive component in accordance with the speed profile or the force profile.

Abstract: A surgical robotic arm includes a first link; a second link coupled to the first link at a first joint such that at least one of the first link or the second link is movable relative to each other; and a first actuator configured to move at least one of the first link or the second link. The surgical robotic arm also includes a joint torque sensor disposed within the first joint and configured to measure torque imparted on at least one of the first link or the second link to obtain a measured torque value. The surgical robotic arm further includes a controller configured to: determine an estimated joint torque value; compare the estimated joint torque value to the measured torque value; and determine an environmental torque value based on a comparison of the estimated joint torque value and the measured torque value.

Abstract: A surgical robotic system includes a robotic arm having an instrument drive unit and an access port configured to be secured to the robotic arm. The system also includes an instrument configured to couple to the instrument drive unit, where the instrument drive unit is configured to actuate the instrument. The system also includes a controller configured to: instruct the robotic arm to advance the instrument into the access port; instruct the instrument drive unit to calibrate the instrument inside the access port; determine a type of the access port during calibration of the instrument; and store the type of the access port in a memory.

Abstract: Methods and systems for automatic steering of a blind introducer based on images from an independent camera (e.g., a camera of a video laryngoscope) are disclosed. A real time image of a video laryngoscope may be analyzed by a trained ML model to output a classification for the image. The classification may be associated with steering instructions for an introducer. The steering instructions may be provided to the introducer to cause steering of a distal end of the introducer in real time. The trained ML model may be generated by AI or ML training algorithms, based on multiple sets of multiple still-shot training images associated with a finite quantity of classifications.

Abstract: A surgical stapling device includes a tool assembly having a drive assembly, an anvil, and a cartridge assembly. The cartridge assembly includes a replaceable staple cartridge that includes an actuation sled assembly having an actuation sled, a knife bar, and a retractor link. The retractor link is secured to the knife bar such that the actuation sled assembly is movable through a cartridge body of the staple cartridge. The retractor link is movable from a non-deformed condition disengaged from the drive assembly to a deformed condition engaged with the drive assembly to facilitate retraction of the actuation sled assembly after the stapling device is fired.

Abstract: A powered surgical device includes a handle assembly that includes a linear position sensor in the form of a linear potentiometer for identifying a position of a rack within the handle assembly. The linear potentiometer provides a signal indicative of the position of the rack to a controller to control operation of a motor or motors positioned within the handle assembly to control various functions of the surgical device. The linear potentiometer supports a lever assembly that is coupled to a slide of the linear potentiometer to selectively couple and decouple the slide from the rack. The lever assembly facilitates the use of a linear potentiometer having a shorter length.