Patents by Inventor Thomas W. Huitema

Thomas W. Huitema 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).

  • Patent number: 11058418
    Abstract: A piece of buttress material and an end-effector of a surgical instrument including features which can aid a surgeon in properly and quickly attaching the piece of buttress material to the end-effector. In various embodiments, a piece of buttress material can include retention features which can be engaged with portions of an end-effector to releasably retain the piece of buttress material to at least a portion of the end-effector. Similarly, an end-effector can include features configured to engage portions of a piece of buttress material to releasably retain the piece of buttress material to the end-effector. In at least one embodiment, more than one piece of buttress material can be releasably retained to an end-effector.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: July 13, 2021
    Assignee: Cilag GmbH International
    Inventors: Frederick E. Shelton, IV, Thomas W. Huitema, Jeffrey S. Swayze, Jerome R. Morgan
  • Publication number: 20210204942
    Abstract: A staple cartridge can comprise a plurality of staples positioned within a cartridge body, wherein the cartridge body can comprise a tissue-contacting deck and a plurality of ridges extending from the tissue-contacting deck. The ridges can be configured to prevent, or reduce the possibility of, tissue from moving relative to the staple cartridge during use. The staple cartridge can further comprise a plurality of staple cavities, wherein each staple cavity can comprise an opening in the deck which is at least partially surrounded by a ridge. The ridges can comprise a uniform height or a height which varies along the length thereof. The height can vary relative to a proximal end and a distal end of the cartridge body and/or between the center of the cartridge body and the side.
    Type: Application
    Filed: December 21, 2020
    Publication date: July 8, 2021
    Inventors: Thomas W. Huitema, Douglas J. Siebenaler
  • Publication number: 20210177417
    Abstract: Methods and devices are provided for promoting wound healing. In general, surgical staplers and stapler components are provided having a coating thereon that is configured to selectively control an interaction between at least one matrix metalloproteinase (MMP) inhibitor and an outer surface of the stapler or stapler component.
    Type: Application
    Filed: January 28, 2021
    Publication date: June 17, 2021
    Inventors: Thomas W. Huitema, Xintian Ming, Tamara S. Widenhouse, Frederick E. Shelton, IV
  • Publication number: 20210121175
    Abstract: A surgical cutting and fastening instrument. The instrument comprises a handle and an end effector connected to the handle. The end effector comprises upper and lower opposing jaw members, wherein the upper jaw member comprises a plurality of co-linear, separately actuatable, RF electrodes.
    Type: Application
    Filed: September 25, 2020
    Publication date: April 29, 2021
    Inventors: David C. Yates, Thomas W. Huitema, Frederick E. Shelton, IV
  • Publication number: 20210100553
    Abstract: In various embodiments, a surgical stapling instrument can include a handle, a shaft extending from the handle, wherein the shaft defines an axis, and a disposable loading unit which is assembled to the shaft in a direction which is transverse to the shaft axis. Such a connection between the disposable loading unit and the shaft can prevent, or at least inhibit, the disposable loading unit from being unintentionally displaced proximally and/or distally relative to the shaft of the surgical instrument. The surgical stapling instrument and/or disposable loading unit can further include a threaded collar and/or detent assembly configured to hold the disposable loading unit in place. In various embodiments, a disposable loading unit can include a lockout feature which can prevent, or at least inhibit, an expended disposable loading unit from being reassembled to the elongated body of the surgical instrument.
    Type: Application
    Filed: October 13, 2020
    Publication date: April 8, 2021
    Inventors: William B. Weisenburgh, II, Jerome R. Morgan, Kyle P. Moore, Mark H. Ransick, Steven G. Hall, Randall J. Tanguay, Jeffrey D. Messerly, Galen C. Robertson, Andrew M. Zwolinski, Jeffrey S. Swayze, Thomas W. Huitema, Glen A. Armstrong, Shailendra K Parihar, Donna L. Korvick, Richard W. Timm, Kevin R. Doll, Bret W. Smith, William D. Kelly, Ronald J. Kolata, Joshua R. Uth, Charles J. Scheib, Geoffrey C. Hueil, Mark S. Ortiz, Douglas B. Hoffman, Patrick A. Weizman, Dean B. Bruewer, Gregory B. Blair, Frederick E. Shelton, IV
  • Patent number: 10939911
    Abstract: Methods and devices are provided for promoting wound healing. In general, surgical staplers and stapler components are provided having a coating thereon that is configured to selectively control an interaction between at least one matrix metalloproteinase (MMP) inhibitor and an outer surface of the stapler or stapler component.
    Type: Grant
    Filed: June 13, 2017
    Date of Patent: March 9, 2021
    Assignee: Ethicon LLC
    Inventors: Thomas W. Huitema, Xintian Ming, Tamara S. Widenhouse, Frederick E. Shelton, IV
  • Patent number: 10898191
    Abstract: A fastener cartridge comprising a cartridge body and unfired fasteners is disclosed. The cartridge body comprises fastener cavities and a deck comprising a variable height tissue compression surface. A longitudinal slot is defined through at least a portion of the variable height tissue compression surface. The fastener cavities comprise a first fastener cavity and a second fastener cavity. The first and second fastener cavities are defined in the variable height tissue compression surface on a first side of the longitudinal slot. The first fastener cavity is laterally offset from the second fastener cavity. The unfired fasteners comprise a first unfired fastener removable positioned in the first fastener cavity and a second unfired fastener removable positioned in the second fastener cavity. The first unfired fastener comprises a first height. The second unfired fastener comprises a second height that is different from the first height.
    Type: Grant
    Filed: October 5, 2018
    Date of Patent: January 26, 2021
    Assignee: Ethicon LLC
    Inventors: Thomas W. Huitema, Douglas J. Siebenaler
  • Patent number: 10856866
    Abstract: A piece of buttress material and an end-effector of a surgical instrument including features which can aid a surgeon in properly and quickly attaching the piece of buttress material to the end-effector. In various embodiments, a piece of buttress material can include retention features which can be engaged with portions of an end-effector to releasably retain the piece of buttress material to at least a portion of the end-effector. Similarly, an end-effector can include features configured to engage portions of a piece of buttress material to releasably retain the piece of buttress material to the end-effector. In at least one embodiment, more than one piece of buttress material can be releasably retained to an end-effector.
    Type: Grant
    Filed: September 11, 2015
    Date of Patent: December 8, 2020
    Assignee: Ethicon LLC
    Inventors: Frederick E. Shelton, IV, Jeffrey S. Swayze, Thomas W. Huitema, Jerome R. Morgan
  • Publication number: 20200375585
    Abstract: A surgical tool system. Various embodiments of the surgical tool system may comprise surgical instrument that has a handle assembly that operably supports a drive system therein for generating drive motions upon actuation of a movable handle portion operably coupled to the handle assembly. An elongated body protrudes from the handle assembly and operably supports a control rod therein that interfaces with the drive system. The surgical tool system further includes at least two surgical tools selected from the group of surgical tools consisting of: manipulators, nippers, scissors, endocutters, tissue thickness measurement devices, staple appliers, clip appliers, syringes for applying glue, sealant, drugs or medicaments and cauterization devices wherein each of the surgical tool within the group of surgical tools at least has a housing that is removably couplable to the elongated body and a drive assembly that is removably couplable to the control rod for receiving the drive motions therefrom.
    Type: Application
    Filed: June 30, 2020
    Publication date: December 3, 2020
    Inventors: Jeffrey S. Swayze, Thomas W. Huitema, Glen A. Armstrong, Shailendra K. Parihar, Donna L. Korvick, Richard W. Timm, Frederick E. Shelton, IV, Kevin R. Doll, Bret W. Smith, William D. Kelly, Ronald J. Kolata, Joshua R. Uth, Charles J. Scheib, Eugene L. Timperman
  • Patent number: 10835250
    Abstract: A surgical stapling assembly comprising a firing member, an end effector, a closure member, and a shaft including an attachment interface is disclosed. The surgical stapling assembly is configured to be attached to a surgical instrument interface by way of the attachment interface. The end effector comprises a first jaw, a second jaw, and a staple cartridge comprising staples configured to be ejected by the firing member. The second jaw is movable relative to the first jaw between an open position, a fully-clamped position, and a collapsed position. The end effector further comprises an interconnection between the first jaw and the second jaw defining a rotational axis about which the second iaw is movable relative to the first iaw. The rotational axis is shiftable toward and away from the first iaw as the second iaw is moved between the open position, the fully-clamped position, and the collapsed position.
    Type: Grant
    Filed: October 25, 2017
    Date of Patent: November 17, 2020
    Assignee: Ethicon LLC
    Inventors: William B. Weisenburgh, II, Jerome R. Morgan, Kyle P. Moore, Mark H. Ransick, Steven G. Hall, Randall J. Tanguay, Jeffrey D. Messerly, Galen C. Robertson, Andrew M. Zwolinski, Jeffrey S. Swayze, Thomas W. Huitema, Glen A. Armstrong, Shailendra K Parihar, Donna L. Korvick, Richard W. Timm, Kevin R. Doll, Bret W. Smith, William D. Kelly, Ronald J. Kolata, Joshua R. Uth, Charles J. Scheib, Geoffrey C. Hueil, Mark S. Ortiz, Douglas B. Hoffman, Patrick A. Weizman, Dean B. Bruewer, Gregory B. Blair, Frederick E. Shelton, IV
  • Patent number: 10806450
    Abstract: A surgical instrument assembly comprising a cartridge jaw, a cartridge positioned in the cartridge jaw, staples removably stored in the cartridge, a drive screw extending within the cartridge iaw, a firing member operably engaged with the drive screw, an anvil iaw, an electric motor configured to rotate the drive screw, and a control system is disclosed. The cartridge jaw comprises a distal end. The firing member comprises a knife edge configured to incise tissue. The drive screw is rotatable to drive the firing member toward the distal end during a staple firing stroke. The staples are deformed against the anvil iaw during the staple firing stroke. The control system is configured to limit the torque supplied by the electric motor to limit the force of the firing member and configured to control the speed of the electric motor.
    Type: Grant
    Filed: June 27, 2018
    Date of Patent: October 20, 2020
    Assignee: Ethicon LLC
    Inventors: David C. Yates, Thomas W. Huitema, Frederick E. Shelton, IV
  • Publication number: 20200305874
    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: Application
    Filed: June 16, 2020
    Publication date: October 1, 2020
    Inventors: Thomas W. Huitema, Frederick E. Shelton, IV, Geoffrey C. Hueil, Jason L. Harris, Chester O. Baxter, III
  • Patent number: 10765425
    Abstract: A surgical stapling system comprising a motorized system configured to generate a low torque rotary motion during a first operating mode and a high torque rotary motion during a second operating mode, a control system configured to switch between the first and second operating modes, an end effector, a drive member, and a rotatable member operably coupled with the motorized system and in operable engagement with the drive member is disclosed. The end effector comprises a first jaw and a second jaw movable relative to the first jaw between an open position and a clamped position. The high torque rotary motion from the motorized system moves the drive member to drive the second iaw toward the clamped position. An opposite rotary motion from the motorized system moves the drive member in an opposite direction to release the second jaw and allow the second jaw to move toward the open position.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: September 8, 2020
    Assignee: Ethicon LLC
    Inventors: David C. Yates, Frederick E. Shelton, IV, Thomas W. Huitema, Jerome R. Morgan
  • Patent number: 10743851
    Abstract: A surgical tool for use with a surgical instrument including a handle assembly and an elongated body defining a longitudinal axis and a drive system is disclosed. The surgical tool comprises a carrier removably couplable to the elongated body, an anvil movably supported for selective movement relative to the carrier in response to drive motions from the drive system, a tissue thickness measuring member movably supported in the carrier and configured to move toward and away from an underside of the anvil in a direction that is transverse to the longitudinal axis, and a sensor arrangement supported between the tissue thickness measuring member and the carrier. The sensor arrangement is configured to interface with an indicator member to provide an indication of a thickness of tissue clamped between the anvil and the tissue thickness measuring member at a location that is proximal to the anvil when in use.
    Type: Grant
    Filed: November 6, 2017
    Date of Patent: August 18, 2020
    Assignee: Ethicon LLC
    Inventors: Jeffrey S. Swayze, Thomas W. Huitema, Glen A. Armstrong, Shailendra Kumar Parihar, Donna L. Korvick, Richard W. Timm, Frederick E. Shelton, IV, Kevin R. Doll, Bret W. Smith, William D. Kelly, Ronald J. Kolata, Joshua R. Uth, Charles J. Scheib, Eugene L. Timperman
  • Publication number: 20200246001
    Abstract: A staple cartridge assembly for use with a surgical stapler. The assembly has a cartridge body having a support portion with a plurality of staple cavities with openings. There is also a plurality of staples, wherein at least a portion of each the staple is removably stored within a staple cavity. Each the staple is movable between an unfired position and a fired position, and is deformable between an unfired configuration and a fired configuration. The assembly also includes a compressible tissue thickness compensator configured to be captured within the staples. The compressible tissue thickness compensator at least partially covers the staple cavity openings. The compressed tissue thickness compensator is configured to assume different compressed heights within different the staples. The compressible tissue thickness compensator comprising a lyophilized foam having an anti-microbial agent embedded therein.
    Type: Application
    Filed: November 22, 2019
    Publication date: August 6, 2020
    Inventors: Xintian Ming, Thomas W. Huitema, Stephen J. Rothenburger, Frederick E. Shelton, IV
  • Publication number: 20200237371
    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: Application
    Filed: April 3, 2020
    Publication date: July 30, 2020
    Inventors: Thomas W. Huitema, Frederick E. Shelton, IV, Geoffrey C. Hueil, Jason L. Harris, Chester O. Baxter, III
  • Patent number: 10716568
    Abstract: A surgical stapling assembly comprising a staple cartridge carrier, an anvil, an outer surface, a closure member, a staple cartridge, and a firing system is disclosed. The anvil is rotatable between a first position and a second position. The closure member is slideable along the outer surface to hold the anvil in the second position. The closure member comprises a clearance opening. The staple cartridge is positioned within the staple cartridge carrier. The staple cartridge comprises staples removably stored therein. The staple cartridge and the anvil define a tissue gap therebetween when the anvil is in the second position. The clearance opening is aligned with the tissue gap when the anvil is in the second position. The firing system is configured to eject the staples from the staple cartridge during a staple firing stroke. The firing system engages the staple cartridge carrier and the anvil during the staple firing stroke.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: July 21, 2020
    Assignee: Ethicon LLC
    Inventors: Steven G. Hall, Randall J. Tanguay, Jeffrey D. Messerly, Galen C. Robertson, Andrew M. Zwolinski, Frederick E. Shelton, IV, Geoffrey C. Hueil, Mark S. Ortiz, Douglas B. Hoffman, Patrick A. Weizman, Dean B. Bruewer, Gregory B. Blair, Charles J. Scheib, Kevin R. Doll, Bret W. Smith, William D. Kelly, Ronald J. Kolata, Joshua R. Uth, William B. Weisenburgh, II, Jerome R. Morgan, Kyle P. Moore, Mark H. Ransick, Jeffrey S. Swayze, Thomas W. Huitema, Glen A. Armstrong, Shailendra K. Parihar, Donna L. Korvick, Richard W. Timm
  • Patent number: 10667824
    Abstract: A surgical clip applier and methods for applying surgical clips to a vessel, duct, shunt, etc., during a surgical procedure are provided. In one exemplary embodiment, a surgical clip applier is provided having a housing with a trigger movably coupled thereto and an elongate shaft extending therefrom with opposed jaws formed on a distal end thereof. The trigger is adapted to advance a clip to position the clip between the jaws, and to move the jaws from an open position to a closed position to crimp the clip positioned therebetween.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: June 2, 2020
    Assignee: Ethicon LLC
    Inventors: Dario Vitali, Nicholas G. Molitor, Thomas W. Huitema, Robert L. Koch, Brian D. Bertke, Kevin A. Larson, Richard P. Fuchs, Mark A. Davison
  • Patent number: 10639045
    Abstract: A surgical clip applier and methods for applying surgical clips to a vessel, duct, shunt, etc., during a surgical procedure are provided. In one exemplary embodiment, a surgical clip applier is provided having a housing with a trigger movably coupled thereto and a shaft extending therefrom with opposed jaws formed on a distal end thereof. The trigger is adapted to advance a clip to position the clip between the jaws, and to move the jaws from an open position to a closed position to crimp the clip positioned therebetween. The surgical clip applier can include a variety of features to facilitate use of the device, including features to align a clip with the jaws, features to prevent unintentional migration of a clip, and features to prevent clip fallout during formation.
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: May 5, 2020
    Assignee: Ethicon LLC
    Inventor: Thomas W. Huitema
  • Publication number: 20200100783
    Abstract: A surgical cutting and fastening instrument. The instrument comprises a handle and an end effector connected to the handle. The end effector comprises upper and lower opposing jaw members, wherein the upper jaw member comprises a plurality of co-linear, separately actuatable, RF electrodes.
    Type: Application
    Filed: September 24, 2019
    Publication date: April 2, 2020
    Inventors: David C. Yates, Thomas W. Huitema, Frederick E. Shelton, IV