Patents Assigned to Cilag GmbH
  • Patent number: 12279769
    Abstract: A staple cartridge for use with a surgical instrument, the staple cartridge comprising a cartridge body, a staple, a staple driver, and a sled is disclosed. The sled is movable from a proximal position to a distal position during a firing stroke and is movable from the distal position toward the proximal position during a retraction stroke. The sled comprises a first rail comprising a first distal-facing ramp, a second rail comprising a second distal-facing ramp, and a driver lift cam positioned intermediate the first rail and the second rail. The first distal-facing ramp and the second distal-facing ramp are configured to engage and move the staple driver from an unfired position to a fired position during the firing stroke. The driver lift cam is configured to engage the staple driver and move the staple driver toward the fired position during the retraction stroke.
    Type: Grant
    Filed: October 13, 2023
    Date of Patent: April 22, 2025
    Assignee: Cilag GmbH International
    Inventors: Frederick E. Shelton, IV, Jason L. Harris
  • Patent number: 12279772
    Abstract: A staple cartridge assembly capable of coupling with a cartridge channel of a surgical stapler. The staple cartridge includes a staple cartridge body, a swing gate pivotably coupled with the staple cartridge body, and a bridge member extending across the central slot and located proximally relative to the swing gate. The staple cartridge body defines a central slot dimensioned to slidably receive a firing beam of the surgical stapler. The staple cartridge body includes a proximal end, a distal end, and a staple deck extending between the proximal end and the distal end. The staple deck defines staple openings. The swing gate can pivot between a first position and a second position. The swing gate extends across the central slot in the first position, while the swing gate extends alongside the central slot in the second position. The bridge member defines a closed proximal end of the central slot.
    Type: Grant
    Filed: October 30, 2023
    Date of Patent: April 22, 2025
    Assignee: Cilag GmbH International
    Inventors: Brian D. Schings, David K. Norvell
  • Patent number: 12279837
    Abstract: Systems, methods, and instrumentalities are disclosed for identification of image shapes based on situational awareness of a surgical image and annotation of shapes or pixels. A surgical video associated with a surgical procedure may be obtained. Surgical context data for the surgical procedure may be obtained. Elements in the video frames may be identified based on the surgical context data using image processing. Annotation data may be determined and generated for the video frames, for example, based on the surgical context data and the identified element(s).
    Type: Grant
    Filed: May 18, 2022
    Date of Patent: April 22, 2025
    Assignee: Cilag GmbH International
    Inventor: Frederick E. Shelton, IV
  • Patent number: 12279768
    Abstract: Surgical instruments with articulation joints that include an articulation linkage assembly comprising a plurality of links configured to operably interface with a proximal joint member for movable travel relative thereto in a first proximal travel path and a second proximal travel path that are transverse to each other. The plurality of links are further configured to operably interface with a distal joint member for movable travel relative thereto in a first distal travel path and a second distal travel path that are transverse each other.
    Type: Grant
    Filed: July 3, 2023
    Date of Patent: April 22, 2025
    Assignee: Cilag GmbH International
    Inventor: Spencer J. Witte
  • Patent number: 12279842
    Abstract: A robotic surgical tool an elongate shaft, an end effector arranged at a distal end of the shaft and including opposing first and second jaws, and an articulable wrist interposing the end effector and the distal end of the shaft. The wrist includes a linkage mounted to the first and second jaws and defining a slot, a distal wedge positioned within a central portion of the wrist and providing a channel, and an alignment arm interposing the linkage and the distal wedge and providing an alignment head receivable within the slot and a projection receivable within the channel. The alignment head is translatable within the slot and the projection is translatable within the channel during operation of the end effector.
    Type: Grant
    Filed: November 3, 2021
    Date of Patent: April 22, 2025
    Assignee: Cilag GmbH International
    Inventors: Eric Johnson, Jason Alan Hill
  • Patent number: 12279840
    Abstract: A surgical instrument includes an end effector, a shaft assembly, a drive, and an activating mechanism. The end effector includes first and second jaws. At least one of the first and second jaws is pivotable relative to the other of the first and second jaws between open and closed positions. The shaft assembly extends proximally from the end effector. The drive is operatively connected to a portion of at least one of the end effector or the shaft assembly. The activating mechanism includes an actuation body operatively connected to the drive. The portion is configured to perform a first actuation profile in response to the actuation body moving along a first predetermined path or perform a second actuation profile in response to the actuation body moving along a second predetermined path. Selection of the first predetermined path is configured to prevent the actuation body from accessing the second predetermined path.
    Type: Grant
    Filed: April 30, 2021
    Date of Patent: April 22, 2025
    Assignee: Cilag GmbH International
    Inventors: Christopher A. Denzinger, Mark D. Overmyer, Charles J. Scheib, Neil T. Markwardt, Brian D. Black
  • Patent number: 12279845
    Abstract: A surgical end effector assembly is disclosed. The surgical end effector assembly comprises a shaft, an end effector comprising a first jaw and a second jaw movable relative to the first jaw, and an articulation joint attaching the end effector to the shaft, wherein the articulation joint defines an articulation axis about which said end effector is articulatable relative to the shaft. The articulation joint comprises a first rotary drive member rotatable about the articulation axis and a second rotary drive member rotatable about the articulation axis, wherein the first rotary drive member and the second rotary drive member are rotatable in the same direction to articulate the end effector about the articulation axis. The surgical end effector assembly further comprises a jaw drive output cooperatively driven by the first rotary drive member and the second rotary drive member configured to clamp and unclamp tissue with the second jaw.
    Type: Grant
    Filed: October 18, 2021
    Date of Patent: April 22, 2025
    Assignee: Cilag GmbH International
    Inventor: Paul Moubarak
  • Patent number: 12274437
    Abstract: An apparatus includes a staple, a body, a staple driver, and an alignment feature. The alignment feature is coupled to or formed with at least one of the staple driver or an inner surface of the staple aperture of the body. The alignment feature is configured to minimize rotation of the staple driver. The alignment feature includes at least one of a first contact feature, an alignment member, an alignment member, or an inwardly tapering portion. The first contact feature projects beyond a first lateral side of the staple driver. The alignment member extends through at least a portion of the staple driver. The first connecting portion rigidly connects the inner surface of the staple aperture with the staple driver in a connected state. The inwardly tapering portion of the inner surface or the staple driver is configured to guide the staple driver.
    Type: Grant
    Filed: September 23, 2022
    Date of Patent: April 15, 2025
    Assignee: Cilag GmbH International
    Inventors: Brian D. Schings, Gregory J. Bakos, Zhifan F. Huang, Luke C. Ice, Sudhir Patel, Jason L Harris, Pravin S. Pawar, Prabakaran Ravichandran
  • Patent number: 12274442
    Abstract: A system for stapling tissue is disclosed. The system can include a channel and a compatible staple cartridge comprising a plurality of staples. The channel and the compatible staple cartridge comprise mating or cooperating alignment features for permitting complete insertion of the compatible staple cartridge and for preventing an incompatible staple cartridge from being completely inserted in the channel.
    Type: Grant
    Filed: May 23, 2023
    Date of Patent: April 15, 2025
    Assignee: Cilag GmbH International
    Inventors: Gregory G. Scott, Disha V. Estera, Joseph M. Nath, Ryan J. Laurent, Michael E. Setser, Zhifan F. Huang, Chloe A. Eyers, Robert J. Simms, Jason L. Harris, Frederick E. Shelton, IV, Nichole Y. Kwee
  • Patent number: 12274519
    Abstract: A surgical tool includes a drive housing, a closure tube extending from the drive housing, and an end effector arranged at an end of the closure tube and having opposing jaws. A method of operating the surgical tool includes operating one or more motors in a first direction at a constant velocity and thereby urging the closure tube to move and actuate the opposing jaws to engage and clamp onto tissue, stopping operation of the motor(s) in the first direction when a torque on the motor(s) exceeds a predetermined torque, storing an angular position of the motor(s) when the torque exceeds the predetermined torque, operating the motor(s) in a second direction opposite the first direction over a preset angular magnitude, and upon reaching the preset angular magnitude, operating the motor(s) in the first direction at the constant velocity.
    Type: Grant
    Filed: July 11, 2022
    Date of Patent: April 15, 2025
    Assignee: Cilag GmbH International
    Inventors: Mark Overmyer, Raffaele Definis, Christopher Denzinger
  • Patent number: 12274438
    Abstract: A motorized surgical instrument is disclosed. The surgical instrument includes a displacement member, a motor, a control circuit, and a position sensor. The displacement member is configured to translate. The motor is coupled to the displacement member to translate the displacement member. The control circuit is coupled to the motor. A position sensor is coupled to the control circuit. The position sensor is configured to measure the position of the displacement member and to measure an articulation angle of an end effector relative to a longitudinally extending shaft. The control circuit is configured to determine the articulation angle between the end effector and the longitudinally extending shaft and set motor velocity based on the articulation angle.
    Type: Grant
    Filed: April 17, 2023
    Date of Patent: April 15, 2025
    Assignee: Cilag GmbH International
    Inventors: Frederick E. Shelton, IV, David C. Yates, Jason L. Harris
  • Patent number: 12274444
    Abstract: A method of applying a buttress to a surgically cut and stapled site uses an end effector with a buttress applier cartridge assembly to load one or more buttress assemblies to the end effector. The buttress assemblies each include a buttress to support a staple formed therein as well an adhesive for adhering to the end effector. The adhesive of the buttress assemblies can include a pattern to assist in both attachment to the end effector and release from the end effector after cutting and stapling a tissue site. The buttress applier cartridge can include features that accommodate end effectors having various tip configurations, including straight tips and curved or bent tips.
    Type: Grant
    Filed: February 13, 2024
    Date of Patent: April 15, 2025
    Assignee: Cilag GmbH International
    Inventors: Michael J. Vendely, Trevor J. Barton, Pamela M. Ridgley, Rebecca Spatholt, Christopher J. Hess, Heather Strang, Mark S. Zeiner, John V. Hunt, Emily A. Scheliin, Frederick E. Shelton, IV, Jason L. Harris, David T. Krumanaker
  • Patent number: 12274445
    Abstract: A fastener cartridge can include, one, a cartridge body comprising a deck and a plurality of fastener cavities and, two, a plurality of fasteners positioned in the fastener cavities. The cartridge body can further comprise extensions extending from the deck having different sizes and/or configurations. The extensions can control the flow of tissue relative to the deck and/or support the fasteners as they are ejected from the fastener cavities.
    Type: Grant
    Filed: June 17, 2022
    Date of Patent: April 15, 2025
    Assignee: Cilag GmbH International
    Inventors: Thomas W. Huitema, Frederick E. Shelton, IV, Geoffrey C. Hueil, Jason L. Harris
  • Patent number: 12274447
    Abstract: The present disclosure provides a stapling apparatus. The apparatus includes a trocar, a stapling head assembly, and an anvil. The stapling head assembly includes one or more lights positioned on a surface of a tubular casing of the stapling head assembly, the lights extending parallel to a longitudinal axis of the stapling head assembly. The row of lights provide an illumination system to provide indicators of device orientation or location.
    Type: Grant
    Filed: December 22, 2023
    Date of Patent: April 15, 2025
    Assignee: CILAG GMBH INTERNATIONAL
    Inventors: Matthew D. Cowperthwait, Christopher Denzinger, Shane R. Adams, Eric Lafay
  • Patent number: 12274440
    Abstract: A powered surgical instrument disclosed. The instrument includes a first circuit portion operable at a first voltage level, a second circuit portion operable at a second voltage level, a voltage source to supply the first voltage level to supply power to electrical components in the first circuit portion; a transistor comprising a control terminal, a first conduction terminal, and a second conduction terminal, and a control circuit coupled to the control terminal of the transistor. The second voltage level is different from the first voltage level. The first conduction terminal is coupled to the voltage source. The control circuit is to set the transistor in a linear mode and control the transistor to set a current for operating the motor.
    Type: Grant
    Filed: October 13, 2023
    Date of Patent: April 15, 2025
    Assignee: Cilag GmbH International?
    Inventors: Shane R. Adams, Frederick E. Shelton, IV, Matthew D. Cowperthwait, Nicholas J. Ross, Kevin M. Fiebig, Eric B. LaFay
  • Patent number: 12274446
    Abstract: A surgical stapling instrument including a staple sled which can be advanced and/or retracted relative to first and second jaw members, wherein the staple sled can be configured to deploy staples from a staple cartridge in one of the first and second jaw members. In at least one embodiment, the other of the first and second jaw members can include an anvil having at least one forming surface which can be configured to deform the staples as they are deployed from the staple cartridge. In at least one form of the invention, the anvil can be movably adjustable relative to the staple cartridge in order to adjust the distance in which the staples are deformed. In various embodiments, the anvil can be adjusted by a slidable adjusting plate and/or a rotatable cam.
    Type: Grant
    Filed: February 7, 2024
    Date of Patent: April 15, 2025
    Assignee: Cilag GmbH International
    Inventors: Chester O. Baxter, III, James J. Bedi
  • Patent number: 12274443
    Abstract: A method for controlling a powered surgical stapler that includes an end effector with jaws that are movable between an open and a closed position and a firing member that is movable between a starting position and an ending position within the end effector. The jaws and firing member are controlled by separate rotary systems and the end effector includes a firing member lockout system that prevents axial movement of the firing member unless the surgical staple cartridge is in ready to fire condition.
    Type: Grant
    Filed: May 17, 2024
    Date of Patent: April 15, 2025
    Assignee: CILAG GMBH INTERNATIONAL
    Inventors: Frederick E. Shelton, IV, Jason L. Harris, Chad P. Boudreaux, Gregory J. Bakos, Chester O. Baxter
  • Patent number: 12268900
    Abstract: A surgical device. The surgical device may comprise a transducer, an end effector, a generator and a control circuit. The transducer may be configured to provide vibrations. The end effector may be coupled to the transducer and may extend from the transducer along the longitudinal axis. The generator may provide an electrical signal to the transducer. Also, the control circuit may modify a current amplitude of the electrical signal in response to a change in a vibration frequency of the end effector. Accordingly to various embodiments, the control circuit may detect a first contribution to a vibration frequency of the end effector, the first contribution originating from tissue in contact with the end effector. Also, according to various embodiments, the control circuit may indicate a change in a vibration frequency of the end effector.
    Type: Grant
    Filed: December 19, 2022
    Date of Patent: April 8, 2025
    Assignee: Cilag GmbH International
    Inventors: Eitan T. Wiener, Kenneth S. Kramer, Foster B. Stulen, Kevin L Houser
  • Patent number: 12268408
    Abstract: Various embodiments of surgical robot control systems are disclosed. In one example embodiment, the surgical robot control system comprises a housing. A controller is located within the housing and is coupled to a socket. The socket receives a handheld surgical user interface therein to control a surgical instrument. The surgical instrument is connected to the surgical robot and comprises an end effector and a mechanical interface to manipulate the end effector. The mechanical interface is coupled to the controller. At least one sensor is coupled to the controller and the socket to convert movement of the handheld surgical user interface into electrical signals corresponding to the movement of the surgical instrument. At least one feedback device is coupled to the controller to provide feedback to a user. The feedback is associated with a predetermined function of the surgical instrument.
    Type: Grant
    Filed: March 29, 2021
    Date of Patent: April 8, 2025
    Assignee: Cilag GmbH International
    Inventors: Barry C. Worrell, Geoffrey S. Strobl, Gregory A. Trees, Jonathan T. Batross, Nicholas G. Molitor, Kristen T. Shoger, David K. Norvell, Michael J. Andreyko, Gregory W. Johnson, Shawn C. Snyder, Chad P. Boudreaux
  • Patent number: D1072250
    Type: Grant
    Filed: November 4, 2020
    Date of Patent: April 22, 2025
    Assignee: Cilag GmbH International
    Inventors: Anil K. Nalagatla, Frederick E. Shelton, IV