Patents by Inventor Chester O. Baxter

Chester O. Baxter has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20240041488
    Abstract: A surgical instrument comprising an end effector is disclosed. The end effector comprises a surgical dissector. The surgical dissector can apply mechanical and/or electrosurgical energy to treated tissue.
    Type: Application
    Filed: June 23, 2023
    Publication date: February 8, 2024
    Inventors: Frederick E. Shelton, IV, Jason L. Harris, Chester O. Baxter, III
  • Patent number: 11890005
    Abstract: A method for controlling a motor of a robotic surgical system is disclosed. The robotic surgical system comprises an end effector. The method comprises predicting a current speed of the motor, based on a previously detected condition of the robotic surgical system, detecting a condition of the end effector, determining an actual current speed of the motor based on the detected condition, comparing the predicted current speed of the motor to the actual current speed of the motor, and adjusting a speed of the motor based on the comparison.
    Type: Grant
    Filed: February 22, 2021
    Date of Patent: February 6, 2024
    Assignee: Cilag GmbH International
    Inventors: Frederick E. Shelton, IV, Jason L. Harris, David C. Yates, Sarah A. Worthington, Chester O. Baxter, III
  • Publication number: 20240032922
    Abstract: A staple cartridge assembly comprising a tissue thickness compensator is disclosed. The tissue thickness compensator comprises a first fibrous, woven material and a second fibrous, woven material. The first fibrous, woven material comprises a density which is different than the density of the second fibrous, woven material. The tissue thickness compensator is configured to expand upon contact with a fluid in order to apply a compressive force to tissue captured within staples.
    Type: Application
    Filed: October 3, 2023
    Publication date: February 1, 2024
    Inventors: Chester O. Baxter, III, Frederick E. Shelton, IV, Charles J. Scheib, Christopher W. Widenhouse, William B. Weisenburgh, II, John L. Stammen, Mark H. Ransick, Stephanie A. Mutchler, Gary W. Knight, Michael S. Cropper, Sean P. Conlon, Jeffrey S. Swayze
  • Publication number: 20240032925
    Abstract: A modular shaft assembly is disclosed. The modular shaft assembly includes one or more inputs configured to receive input motions from a surgical instrument system, such as a handle, for example. The shaft assembly further includes one or more on-board inputs configured to generate input motions. The input motions received and generated by the shaft assembly are transferrable to an end effector of the shaft assembly to perform various functions at the end effector. The end effector can include a staple cartridge and a firing member which is movable between a proximal position and a distal position to eject staples from the staple cartridge. The end effector can include a plurality of jaw members and the firing member can comprise camming members which are configured to position the jaw members relative to one another.
    Type: Application
    Filed: July 28, 2023
    Publication date: February 1, 2024
    Inventors: Andrew T. Beckman, Frederick E. Shelton, IV, Jerome R. Morgan, David C. Yates, Chester O. Baxter, III, Joshua R. Uth, Jeffrey L. Savage, Jason L. Harris
  • Publication number: 20240032912
    Abstract: A surgical stapling instrument comprising an elongate shaft assembly that includes a surgical end effector that is operably coupled thereto by an articulation joint. The surgical instrument may include a first distal articulation driver operably coupled to the surgical end effector and a second distal articulation driver that is coupled to the surgical end effector. At least one driver member may operably engage the first and second distal articulation drivers such that when the first distal articulation driver is moved in a distal direction, the least one driver moves the second distal articulation driver in a proximal direction and when the first distal articulation driver is moved in the proximal direction, the at least one driver member moves the second distal articulation driver in the distal direction.
    Type: Application
    Filed: October 12, 2023
    Publication date: February 1, 2024
    Inventors: Chester O. Baxter, III, Jeffrey S. Swayze, Adam R. Dunki-Jacobs, Frederick E. Shelton, IV, Morgan R. Hunter, Darwin L. Schultz
  • Publication number: 20240032915
    Abstract: A surgical instrument. In one form, the surgical instrument includes a housing that has an interchangeable shaft assembly removably attached thereto. The interchangeable shaft assembly includes an elongate shaft that has a surgical end effector operably coupled thereto for selective articulation relative to the elongate shaft. An articulation system is configured to selectively apply articulation motions to the surgical end effector when the articulation system is in an actuated orientation. A locking arrangement prevents detachment of the interchangeable shaft assembly from the housing when the articulation system is in the actuated orientation.
    Type: Application
    Filed: October 12, 2023
    Publication date: February 1, 2024
    Inventors: Jerome R. Morgan, Chester O. Baxter, III, Frederick E. Shelton, IV, Gary W. Knight
  • Publication number: 20240023957
    Abstract: A surgical instrument can comprise a handle, a motor, and a shaft extending from the handle. The handle and/or the shaft can define a longitudinal axis. The surgical instrument can further comprise a fastener cartridge comprising a plurality of fasteners removably stored therein, an anvil configured to deform the fasteners, a closure drive configured to move the anvil toward and away from the fastener cartridge which is rotatable about the longitudinal axis, and a firing drive configured to deploy the fasteners from the fastener cartridge which is rotatable about the longitudinal axis. The surgical instrument can further comprise a transmission comprising a first operating configuration which connects the motor to the closure drive and a second operating configuration which connects the motor to the firing drive.
    Type: Application
    Filed: September 18, 2023
    Publication date: January 25, 2024
    Inventors: Shailendra K. Parihar, Robert L. Koch, JR., Chester O. Baxter, III, Frederick E. Shelton, IV
  • Patent number: 11877745
    Abstract: A surgical stapling assembly is disclosed. The assembly can include a cartridge body having cavities defined therein forming a pattern of openings in the deck of the cartridge body. The pattern can include longitudinally-repeating clusters of cavity ends. The assembly can also include fasteners removably positioned in the cavities. The pattern of openings can comprise openings on a first side of the cartridge body comprising inner openings each defining an inner proximal-to-distal axis oriented parallel to the longitudinal axis, outer openings each defining an outer proximal-to-distal axis obliquely-oriented relative to the longitudinal axis at an outer angle, and intermediate openings each defining an intermediate proximal-to-distal axis obliquely-oriented relative to the longitudinal axis at an intermediate angle, wherein the intermediate angle is different than the outer angle.
    Type: Grant
    Filed: October 18, 2021
    Date of Patent: January 23, 2024
    Assignee: Cilag GmbH International
    Inventors: Michael J. Stokes, Anil K. Nalagatla, Mark S. Zeiner, Chester O. Baxter, III, Disha V. Estera, Jason L Harris, Laura S. Downing, Shannon L. Jones
  • Publication number: 20240000449
    Abstract: A tissue thickness compensator can comprise a compensator body and at least one vessel contained in the compensator body. The vessel can define an inner cavity which can comprise an inner atmosphere having a pressure which is lower than the atmospheric pressure of the atmosphere surrounding the tissue thickness compensator. In at least one embodiment, the vessel and the compensator body can be maintained in a collapsed state until staples are fired through the vessel. At such point, the vessel can re-expand and apply a biasing force to tissue captured within the staples.
    Type: Application
    Filed: September 14, 2023
    Publication date: January 4, 2024
    Inventors: Chester O. Baxter, III, Frederick E. Shelton, IV, Jeffrey S. Swayze, Taylor W. Aronhalt, Katherine J. Schmid
  • Publication number: 20240000521
    Abstract: A method for adjusting the operation of a clip applier using machine learning in a surgical suite is disclosed. The method comprises gathering data during surgical procedures, wherein the surgical procedures include the use of a clip applier comprising a crimping drive configured to be mechanically advanced through a crimping stroke. The method further comprises analyzing the gathered data to determine an appropriate operational adjustment of the clip applier and adjusting the operation of the clip applier to improve the operation of the clip applier.
    Type: Application
    Filed: September 13, 2023
    Publication date: January 4, 2024
    Inventors: Michael J. Stokes, Frederick E. Shelton, IV, Chester O. Baxter, III, Jason L. Harris, John E. Brady, Matthew T. Kuhn, Jeffery D. Bruns, Alexander R. Cuti, Andrew C. Deck, Bradley A. Arnold
  • Patent number: 11857184
    Abstract: A surgical instrument comprising a rotatable and translatable firing member is disclosed.
    Type: Grant
    Filed: April 30, 2021
    Date of Patent: January 2, 2024
    Assignee: CILAG GMBH INTERNATIONAL
    Inventors: Frederick E. Shelton, IV, Chester O. Baxter, III, Taylor W. Aronhalt
  • Patent number: 11857189
    Abstract: Surgical end effectors and fastener cartridges having firing lockout arrangements for preventing or limit a firing stroke when a cartridge has not been operably installed in the end effector or a spent cartridge has not been replaced.
    Type: Grant
    Filed: March 31, 2022
    Date of Patent: January 2, 2024
    Assignee: Cilag GmbH International
    Inventors: Frederick E. Shelton, IV, Chester O. Baxter, III, Jeffrey S. Swayze, Jerome R. Morgan
  • Patent number: 11857187
    Abstract: A tissue thickness compensator may generally comprise a first layer comprising a first biocompatible material sealingly enclosed in a water impermeable material and a second layer comprising a second biocompatible material comprising at least one encapsulation, wherein the first biocompatible material expands when contacted with a fluid. The tissue thickness compensator may comprise a haemostatic agent, an anti-inflammatory agent, an antibiotic agent, anti-microbial agent, an anti-adhesion agent, an anti-coagulant agent, a medicament, and/or pharmaceutically active agent. The encapsulation may comprise a biodegradable material to degrade in vivo and/or in situ. The tissue thickness compensator may comprise a hydrogel. The reaction product may comprise a fluid-swellable composition. Articles of manufacture comprising the tissue thickness compensator and methods of making and using the tissue thickness compensator are also described.
    Type: Grant
    Filed: March 10, 2021
    Date of Patent: January 2, 2024
    Assignee: Cilag GmbH International
    Inventors: Chester O. Baxter, III, Frederick E. Shelton, IV, Charles J. Scheib, Christopher W. Widenhouse, William B. Weisenburgh, II, Samuel P. Tidwell, Stephanie A. Mutchler, Gary W. Knight
  • Publication number: 20230414294
    Abstract: A surgical instrument is disclosed comprising a housing and a control circuit mounted to and/or embedded in the housing.
    Type: Application
    Filed: May 25, 2023
    Publication date: December 28, 2023
    Inventors: Frederick E. Shelton, IV, Chester O. Baxter, III, Jason L. Harris, Michael J. Vendely, David C. Yates
  • Patent number: 11849945
    Abstract: A surgical stapling assembly is disclosed. The surgical stapling assembly can include a first jaw, a second jaw, an articulation joint, a closure drive comprising a first flexible rotary drive extending through the articulation joint, and a firing drive comprising a second flexible rotary drive extending through the articulation joint and rotatable independent of the first flexible rotary drive. The surgical stapling assembly can further include a 3D-printed component. The surgical stapling assembly can be configured to form different staple shapes, such as non-planar staples and planar staples, can include an eccentrically-driven firing assembly, and/or can include a floatable component. The surgical stapling assembly can include a staple cartridge including a longitudinal support beam.
    Type: Grant
    Filed: March 24, 2021
    Date of Patent: December 26, 2023
    Assignee: Cilag GmbH International
    Inventors: Frederick E. Shelton, IV, Adam D. Hensel, Seth D. Holdmeyer, Kevin M. Fiebig, Tylor C. Muhlenkamp, Chester O. Baxter, III, Christopher Q. Seow
  • Patent number: 11844520
    Abstract: A replaceable staple cartridge for use with a surgical instrument is disclosed. The replaceable staple cartridge comprises a cartridge body, staple cavities defined in the cartridge body, staples removably positioned in the staple cavities, and staple drivers configured to support the staples in the staple cavities. The staple drivers are movable between an unfired position and a fired position. The staple cartridge further comprises a wedge sled, wherein the wedge sled is configured to motivate the staple drivers from the unfired position toward the fired position, and driver retention members extending into the staple cavities. The driver retention members are configured to retain the staple drivers in the unfired position.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: December 19, 2023
    Assignee: Cilag GmbH International
    Inventors: Frederick E. Shelton, IV, Jason L. Harris, Chad P. Boudreaux, Chester O. Baxter, III
  • Patent number: 11839420
    Abstract: A surgical end effector may comprise first and second jaw members. The second jaw member may comprise an offset proximal supply electrode that is positioned to contact an opposing member of the first jaw member when the first and second jaw members are in the closed position. The second jaw member may also comprise a distal supply electrode that is positioned distal of the offset proximal electrode and is aligned with a conductive surface of the first jaw member when the first and second jaw members are in the closed position. When the first and second jaw members are in the closed position, the proximal supply electrode may be in contact with the opposing member and the distal supply electrode is not in contact with the conductive surface of the first jaw member.
    Type: Grant
    Filed: March 29, 2022
    Date of Patent: December 12, 2023
    Assignee: Cilag GmbH International
    Inventors: Frederick E. Shelton, IV, Jerome R. Morgan, Chester O. Baxter, III, David C. Yates
  • Patent number: 11832841
    Abstract: Methods and devices for using surgical devices with articulating end effectors are provided. Surgical devices with articulating end effectors can provide rotary driven pivoting of the end effector. In some embodiments, the device can include a handle, a first and a second tube extending from the handle, the second tube disposed within the first tube, and an end effector that includes a pair of distal jaws configured to move in response to rotation of the first tube about a longitudinal axis thereof and rotation of the second tube about a longitudinal axis thereof. The jaws can move in two different ways depending on whether the first and second tubes are rotating in a same direction as one another or in different ways than each other. The jaws can open/close and articulate using the same mechanical mechanism. The device can be powered, or the device can be non-powered.
    Type: Grant
    Filed: July 7, 2021
    Date of Patent: December 5, 2023
    Assignee: Cilag GmbH International
    Inventors: Frederick E. Shelton, IV, Chester O. Baxter, III, Charles J. Scheib, Gregory W. Johnson, John R. Dugan
  • Publication number: 20230380833
    Abstract: A fastener cartridge can comprise a support portion, a tissue thickness compensator positioned relative to the support portion, and a plurality of fasteners positioned within the support portion and/or the tissue thickness compensator which can be utilized to fasten tissue. In use, the fastener cartridge can be positioned in a first jaw of a surgical fastening device, wherein a second jaw, or anvil, can be positioned opposite the first jaw. To deploy the fasteners, a staple-deploying member is advanced through the fastener cartridge to move the fasteners toward the anvil. As the fasteners are deployed, the fasteners can capture at least a portion of the tissue thickness compensator therein along with at least a portion of the tissue being fastened.
    Type: Application
    Filed: March 28, 2023
    Publication date: November 30, 2023
    Inventors: Frederick E. Shelton, IV, Chester O. Baxter, III, Jeffrey S. Swayze, Jerome R. Morgan, Sora Rhee, Taylor W. Aronhalt, Tamara S. Widenhouse
  • Patent number: 11812965
    Abstract: A staple cartridge assembly comprising a tissue thickness compensator is disclosed. The tissue thickness compensator comprises a first fibrous, woven material and a second fibrous, woven material. The first fibrous, woven material comprises a density which is different than the density of the second fibrous, woven material. The tissue thickness compensator is configured to expand upon contact with a fluid in order to apply a compressive force to tissue captured within staples.
    Type: Grant
    Filed: June 7, 2019
    Date of Patent: November 14, 2023
    Assignee: Cilag GmbH International
    Inventors: Chester O. Baxter, III, Frederick E. Shelton, IV, Charles J. Scheib, Christopher W. Widenhouse, William B. Weisenburgh, II, John L. Stammen, Mark H. Ransick, Stephanie A. Mutchler, Gary W. Knight, Michael S. Cropper, Sean P. Conlon, Jeffrey S. Swayze