Patents Assigned to DEPUY IRELAND UNLIMITED COMPANY
  • Tibial trial system for a knee prosthesis and method
    Patent number: 10952863
    Abstract: An orthopaedic surgical instrument system for use during a surgical procedure to implant an orthopaedic knee prosthesis includes a tibial base trial component adapted to be positioned on a surgically-prepared proximal end of a patient's tibia and an insert component shaped to be received in an opening defined in the tibial base trial component. The insert component has a base plate and a central post extending upwardly from a superior surface of the base plate. A superior surface of the central post has a ramp surface defined therein, with the ramp surface inclining superiorly in the anterior-to-posterior direction.
    Type: Grant
    Filed: April 22, 2019
    Date of Patent: March 23, 2021
    Assignee: DEPUY IRELAND UNLIMITED COMPANY
    Inventors: David W. Waite, II, Aaron J. Matyas, Duncan G. Young, Scott M. Thomas
  • Distal femoral jig assembly
    Patent number: 10952745
    Abstract: A cutting apparatus for resecting a distal face of a femur prior to implanting a femoral component of a total knee prosthesis, comprises an elongate rod adapted for inserting into an intramedullary canal of the femur, a distal femoral cutting block, and a distal femoral jig assembly. The jig assembly can position the distal femoral cutting block on either left leg or right leg. It includes a distal femoral jig having at least one passage for slidingly receiving the rod with a preset valgus angle and a distal end face being adapted for abutting against on the distal face of the femur of either left leg or right leg dependent on its two flip orientations.
    Type: Grant
    Filed: April 17, 2019
    Date of Patent: March 23, 2021
    Assignee: DEPUY IRELAND UNLIMITED COMPANY
    Inventors: Stuart Grant, Xiaohui Dong
  • Method for preparing a patient's tibia to receive an implant
    Patent number: 10952874
    Abstract: An orthopaedic surgical instrument system that includes an orthopaedic surgical instrument adapted to be positioned on a proximal end of a patient's tibia, and a tibial bearing trial assembly, and a tibial evaluation component, and a tibial base trial component configured to be coupled to the orthopaedic surgical instrument. A tibial evaluation component includes a base plate and a generally Y-shaped posterior buttress extending upwardly from a superior surface of the base plate, such that the posterior buttress of the insert component is configured to be received in the opening of the tibial bearing trial assembly to prevent rotation of the tibial bearing trial component relative to the tibial base trial component.
    Type: Grant
    Filed: January 7, 2019
    Date of Patent: March 23, 2021
    Assignee: DEPUY IRELAND UNLIMITED COMPANY
    Inventors: Thomas E. Wogoman, Jon M. Edwards, Matthew S. Wallace, Jeremy Oden, Corinna Johanna Klawon, Megan Wallace, Erica Roche
  • Surgical instrument and method for performing an orthopaedic surgical procedure
    Patent number: 10945777
    Abstract: Surgical instruments, systems, and methods of performing orthopaedic surgical procedures on a patient's knee are disclosed.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: March 16, 2021
    Assignee: DEPUY IRELAND UNLIMITED COMPANY
    Inventors: Jeremy Oden, Steven Kitch, Graeme John Dutton, Takayuki Nakamura, Kevin Cooney
  • Side-specific orthopaedic surgical instrument systems and associated methods of use
    Patent number: 10940022
    Abstract: A surgical instrument system includes a pair of side-specific orthopaedic surgical instrument assemblies. The right-limb side-specific instrument assembly is kitted so as to be devoid of left-limb side-specific instruments and vice versa.
    Type: Grant
    Filed: September 19, 2017
    Date of Patent: March 9, 2021
    Assignee: DePuy Ireland Unlimited Company
    Inventors: Dennis A. Stoller, Stephanie M. Wainscott, Jonathan C. Lee, Rebecca L. Chaney
  • Surgical planning and method
    Patent number: 10932855
    Abstract: Methods and apparatus for planning and/or carrying out a total knee replacement surgical procedure on a knee of a leg of a patient are described. Anatomical data for the leg of the patient is obtained, which allows the femoral mechanical axis, the tibial mechanical axis and the joint line of the knee to be determined. A planned proximal tibial cut angle and a planned distal femoral cut angle are determined. A total knee replacement procedure is carried out on the knee of the patient, wherein a distal femoral cut is made using the planned distal femoral cut angle and a proximal tibial cut is made using the planned proximal tibial cut angle.
    Type: Grant
    Filed: September 23, 2015
    Date of Patent: March 2, 2021
    Assignee: DEPUY IRELAND UNLIMITED COMPANY
    Inventors: Sarah J. Shupe, Michael Joseph Rock, David Robert Wolfson, Gianpaolo Fusari, Hawys Eleri Tomos, Robert Edward Matthews, John Naybour, Mark Heldreth
  • Moment induced total arthroplasty prosthetic
    Patent number: 10932915
    Abstract: A prosthetic total knee replacement system comprises a distal femoral implant component, a tibial tray implant component and a fixed bearing tibial tray insert. The fixed bearing tibial tray insert is fixed to the tibial tray and articulates with the distal femoral implant component. The fixed bearing tibial tray insert component has a medial-lateral centerline and a stabilizing post. The stabilizing post has a medial-lateral centerline offset laterally from the medial-lateral centerline of the fixed bearing tibial tray insert.
    Type: Grant
    Filed: July 16, 2018
    Date of Patent: March 2, 2021
    Assignee: DEPUY IRELAND UNLIMITED COMPANY
    Inventor: Richard D Komistek
  • Surgical instrument and method of use
    Patent number: 10898347
    Abstract: A surgical instrument and method for an orthopaedic arthroplasty procedure is disclosed. The instrument includes a shaft having a first end, a second end, and a longitudinal axis extending through a center of the shaft between the first and second ends. The surgical instrument further includes a spine extending outwardly from the first end of the shaft in a direction perpendicular to the longitudinal axis, wherein the spine has a longitudinal extent that is parallel to the longitudinal axis. When the surgical instrument is in contact with a tibial implant component, the spine is adapted to be positioned within an intercondylar notch of a femoral component.
    Type: Grant
    Filed: October 9, 2018
    Date of Patent: January 26, 2021
    Assignee: DePuy Ireland Unlimited Company
    Inventors: Jon M. Edwards, Daniel D. Auger
  • Guide for locating a cutting block
    Patent number: 10874527
    Abstract: A guide and a method for locating a cutting block on a resected distal surface of a patient's femur in a knee replacement procedure. The guide includes a first body part for positioning over the resected distal surface. The first body part includes a pair of posteriorly extending feet for engaging with the posterior condyles of the femur. The guide also includes a second body part for positioning over the resected distal surface. The second body part includes at least one pair of locator holes for locating fastener pins by which the cutting block can be fastened to the resected distal face. The first body part is removably attachable to the second body part in a plurality of discrete positions for selectively angling the second body part with respect to an anatomical feature of the patient when the feet of the first body part are engaged with the posterior condyles.
    Type: Grant
    Filed: September 15, 2016
    Date of Patent: December 29, 2020
    Assignee: DEPUY IRELAND UNLIMITED COMPANY
    Inventors: Mark Fulton, Michael Reeve
  • System for use in knee surgery
    Patent number: 10869676
    Abstract: A femoral component (2) of a knee joint prosthesis has a bearing surface (4) for articulation with a tibial bearing surface and an opposite bone facing surface (6). The bone facing surface has anterior (18), posterior (20), distal (22), anterior chamfer (24) and posterior chamfer (26) portions. Medial (42, 52, 356) and lateral rails (40, 50, 350) are provided on the distal portion or on at least one of the anterior chamfer portion and posterior chamfer portions of the bone facing surface so that there is at least one recess (46, 54, 354, 360) between the rails.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: December 22, 2020
    Assignee: DEPUY IRELAND UNLIMITED COMPANY
    Inventors: David Wolfson, Michael Rock, Abraham Wright, Danny Rumple
  • Orthopeadic surgical instrument
    Patent number: 10863996
    Abstract: An orthopaedic surgical instrument for use in resecting a patient's bone is disclosed. In some embodiments, the instrument may be for single patient use and may be disposed of at the end of each surgical procedure.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: December 15, 2020
    Assignee: DePuy Ireland Unlimited Company
    Inventors: Robert Freeman, Kevin D. Booth, Mark Reason, Duncan J. Beedall, Michael J. Rees, Alberto P. Verteramo
  • Orthopaedic knee prosthesis having controlled condylar curvature
    Patent number: 10849760
    Abstract: An orthopaedic knee prosthesis includes a tibial bearing and a femoral component configured to articulate with the tibial bearing. The femoral component includes a posterior cam configured to contact a spine of the tibial bearing and a condyle surface curved in the sagittal plane. The radius of curvature of the condyle surface decreases gradually between early-flexion and mid-flexion. Additionally, in some embodiments, the radius of curvature of the condyle surface may be increased during mid-flexion.
    Type: Grant
    Filed: April 23, 2019
    Date of Patent: December 1, 2020
    Assignee: DePuy Ireland Unlimited Company
    Inventors: Joseph G. Wyss, Christel M. Wagner, Dimitri Sokolov, Jordan S. Lee, John L. Williams, Said T. Gomaa, John M. Armacost
  • Polymer cutting block including metallic protective bushings and method of using same
    Patent number: 10828047
    Abstract: An orthopaedic surgical instrument includes a polymer cutting block having a number of metallic cutting guides secured thereto. A pair of metallic bushings function as saw stops at the medial and lateral ends of the cutting slot during an orthopaedic surgical procedure.
    Type: Grant
    Filed: September 29, 2018
    Date of Patent: November 10, 2020
    Assignee: DEPUY IRELAND UNLIMITED COMPANY
    Inventors: Jon M. Edwards, Michael J. Rock
  • Orthopaedic surgical instrument system and method for detaching trial construct assemblies
    Patent number: 10828173
    Abstract: A surgical instrument system comprising a prosthetic trial component and an orthopaedic surgical instrument is disclosed. The orthopaedic surgical instrument includes a distal tip sized to be received in a passageway of the prosthetic trial component. When the distal tip is positioned in the passageway of the prosthetic trial component and is in an expanded position, the distal tip is configured to engage an inner surface of the prosthetic trial component to secure the prosthetic trial component to the orthopaedic surgical instrument and permit the extraction of the trial component from a patient's bone. A method of use is also disclosed.
    Type: Grant
    Filed: September 14, 2017
    Date of Patent: November 10, 2020
    Assignee: DEPUY IRELAND UNLIMITED COMPANY
    Inventors: Craig S. Tsukayama, Phillip G. Withee, Jeremiah M. Lewis, Charles L. Penninger, Francisco A. Amaral, Tyler S. Hathaway, Daniel E. Lashure
  • Releasable threaded connection for modular implants
    Patent number: 10736750
    Abstract: An orthopaedic prosthesis assembly includes a first prosthetic component, a second prosthetic component, and a fastener. The first prosthetic component includes a threaded bore. The second prosthetic component includes an opening and a threaded inner wall that extends inwardly from the opening. The fastener includes a first axial section having a first plurality of threads engaged with the threaded inner wall the second prosthetic component, and a second axial section having a second plurality of threads engaged with the threaded bore of the first prosthetic component to secure the first prosthetic component to the second prosthetic component.
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: August 11, 2020
    Assignee: DePuy Ireland Unlimited Company
    Inventors: Filip Leszko, Aaron Matyas, Kyle Steffe, David E. Rottger, Daniel M. Hippensteel
  • Orthopaedic prosthetic system for a hinged-knee prosthesis
    Patent number: 10736748
    Abstract: An orthopaedic prosthetic includes a femoral component including a pair of condyles spaced apart to define an intercondylar notch. A tibial component includes a tray and a platform pivotally coupled to the tray. A modular insert is configured to be selectively coupled to the femoral component to couple the femoral component to the tibial component.
    Type: Grant
    Filed: May 2, 2018
    Date of Patent: August 11, 2020
    Assignee: DePuy Ireland Unlimited Company
    Inventors: Nathan C. Reeder, Tyler S. Hathaway
  • Orthopaedic knee prosthesis having controlled condylar curvature
    Patent number: 10729551
    Abstract: An orthopaedic knee prosthesis includes a femoral component having a condyle surface. The condyle surface is defined by one or more radii of curvatures, which are controlled to reduce or delay the onset of anterior translation of the femoral component relative to a tibial bearing.
    Type: Grant
    Filed: January 7, 2019
    Date of Patent: August 4, 2020
    Assignee: DePuy Ireland Unlimited Company
    Inventors: Mark A. Heldreth, Daniel D. Auger, Joseph G. Wyss, Danny W. Rumple, Jr., Christel M. Wagner, Dimitri Sokolov, Jordan S. Lee, John L. Williams, Said T. Gomaa, John M. Armacost
  • Orthopaedic surgical instrument system for trialing an orthopaedic prosthetic assembly
    Patent number: 10716686
    Abstract: An orthopaedic surgical instrument system includes a tibial base trial and a tibial insert trial. An insert adaptor is sized to be positioned in an aperture defined in the tibial insert trial. The insert adaptor includes a base sized to be positioned over a post of the tibial base trial and a locking tab positioned in the base and configured to engage the post of the tibial base trial.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: July 21, 2020
    Assignee: DePuy Ireland Unlimited Company
    Inventors: Adam D. Schrader, William Muhammad
  • Attachment mechanism for a surgical instrument component
    Patent number: 10702288
    Abstract: The invention relates to an attachment mechanism for detachably coupling a first component to a second component as part of a surgical instrument. There is also provided a surgical instrument comprising the attachment mechanism.
    Type: Grant
    Filed: February 3, 2016
    Date of Patent: July 7, 2020
    Assignee: DEPUY IRELAND UNLIMITED COMPANY
    Inventor: Duncan Young
  • Guided osteotome
    Patent number: 10695076
    Abstract: The invention provides an osteotome which includes a curved guide member extending distally from its medial side. This curved guide member interfaces with the medial curvature of the femoral canal. The guide member guides the osteotome using the internal bone geometry of the femoral canal instead of relying on external anatomical landmarks.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: June 30, 2020
    Assignee: DEPUY IRELAND UNLIMITED COMPANY
    Inventors: Marcus Agunloye, Alec Birkbeck, Graeme Dutton, David Horne, Thomas Maack, John Bohannon Mason, Richard Patnelli