Patents Assigned to Depuy (Ireland)
  • Surgical instrument and method of use
    Patent number: 10092421
    Abstract: A surgical instrument for use in an orthopaedic arthroplasty procedure 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: September 28, 2012
    Date of Patent: October 9, 2018
    Assignee: DEPUY IRELAND UNLIMITED COMPANY
    Inventors: Jon M. Edwards, Daniel D. Auger
  • Patella drill guide and trial surgical instrument having an alignment bore formed therein and method of using the same
    Patent number: 10085758
    Abstract: An orthopedic surgical instrument includes a patella trial and drill guide that may be used to both perform a surgical trial of the patellofemoral joint and guide the surgeon in drilling a number of anchor holes in the patella of the patient.
    Type: Grant
    Filed: September 28, 2012
    Date of Patent: October 2, 2018
    Assignee: DEPUY IRELAND UNLIMITED COMPANY
    Inventors: Matthew S. Wallace, Jennifer B. Wyant, Richard S. Jones, David S. Barrett
  • Assembly tool
    Patent number: 10085838
    Abstract: An instrument for assembling an implant on a neck. The implant and neck being coupled via a taper having a taper axis. The instrument includes a frame having a distal portion and a proximal portion, the distal portion of the frame including a retaining member adapted to engage a portion of the neck. The instrument also includes a force applier retained in the proximal portion of the frame. The force applier includes a screw having a screw axis that is coaxial with the taper axis, wherein the screw is adapted to engage the implant. As the screw is turned, the force applier applies a force on the implant while the neck is held in place by the frame, thereby causing the tapers of the implant and neck to engage.
    Type: Grant
    Filed: January 14, 2016
    Date of Patent: October 2, 2018
    Assignee: DEPUY IRELAND UNLIMITED COMPANY
    Inventors: James Brooks, Jonathan Thompson
  • Orthopaedic sensor module and system for determining joint forces of a patient's knee joint
    Patent number: 10070973
    Abstract: An orthopedic surgical device includes a tibial paddle shaped to be positioned in the patient's knee joint and a handle extending from the tibial paddle. The tibial paddle includes a sensor array positioned therein and configured to generate sensor signals indicative of the joint force of the patient's knee joint. The orthopedic surgical device also includes a control circuit configured to control a display located on the handle to provide a visual indication of the medial and lateral balance of the joint force. In some embodiments, various tibial trialing components may be coupled to the tibial paddle along with an associated adaptor.
    Type: Grant
    Filed: March 31, 2012
    Date of Patent: September 11, 2018
    Assignee: DePuy Ireland Unlimited Company
    Inventors: Jason T. Sherman, Michael J. Rock, Mario Bertazzoni, Michael J. Bartelme
  • Methods for maintaining proper mechanics THA
    Patent number: 10064729
    Abstract: A method of assembling a mobile bearing acetabular component of a prosthetic hip joint is disclosed. The method includes mounting an acetabular cup insert to an acetabular cup. The method includes concurrently repositioning the acetabular cup insert deeper into an interior of the acetabular cup and repositioning the acetabular cup insert outside of an outline of the acetabular cup.
    Type: Grant
    Filed: October 13, 2016
    Date of Patent: September 4, 2018
    Assignee: Depuy Ireland Unlimited Company
    Inventor: Richard D. Komistek
  • SURGICAL INSTRUMENT
    Publication number: 20180243017
    Abstract: A kit of parts for inserting a deformable implant into a cavity in a bone of a patient is described. An inserter instrument comprises a body having a cavity extending along a longitudinal axis from a distal end to a proximal end. An attachment mechanism is provided at the distal end and to which a deformable implant can be releasably attached. A drive mechanism is provided at the proximal end of the body. An insertion stop is mounted on the body and arranged to control the depth of insertion of the inserter instrument into a guide tube. A push rod is freely and slidably arranged within the cavity and has a distal end engageable with a part of the deformable implant and a proximal end abutable by the drive mechanism. The drive mechanism is operable to drive the push rod toward the distal end of the body. The kit also includes an impactor dimensioned for slidable engagement within the cavity.
    Type: Application
    Filed: May 1, 2018
    Publication date: August 30, 2018
    Applicant: DEPUY IRELAND UNLIMITED COMPANY
    Inventors: James Anderson, Gary Moore, Ivan Green
  • AN ALIGNMENT GUIDE
    Publication number: 20180235764
    Abstract: An orthopaedic joint prosthesis assembly includes a head part of an orthopaedic joint prosthesis component and an alignment guide. The head part has a spherical bearing surface for articulation with a corresponding joint surface, and an assembly surface having a first bore formed in it for receiving a spigot on another part of the orthopaedic joint prosthesis. The bore has a first axis that extends perpendicular to the assembly surface. There is a discontinuity at an interface between the bearing surface and the assembly surface, and the assembly surface is arranged on a plane which is parallel to, or contains, a plane which is defined by the opening to the bore in the head part when the head part is viewed from one side in cross-section. The alignment guide has an axial portion and an arm extending from the axial portion.
    Type: Application
    Filed: August 10, 2016
    Publication date: August 23, 2018
    Applicant: DePuy Ireland Unlimited Company
    Inventors: Gary Moore, Alec Birkbeck, Christopher Hunt, Richard Patnelli, David Home, Henry Prout
  • Moment induced total arthroplasty prosthetic
    Patent number: 10045849
    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: December 9, 2015
    Date of Patent: August 14, 2018
    Assignee: DEPUY IRELAND UNLIMITED COMPANY
    Inventor: Richard D Komistek
  • Releasable threaded connection for modular implants
    Patent number: 10039645
    Abstract: An orthopedic prosthesis assembly includes a first prosthetic component, a second prosthetic component, a retainer, and a fastener and allows the removal of the first prosthetic component without having to remove the second prosthetic component from an intramedullary canal of a patient's bone. The fastener is received in an aperture of the first prosthetic component and the retainer is configured to engage the aperture of the first prosthetic component such that a part of the fastener is secured within the aperture. A rod of the fastener is configured to advance along the longitudinal axis through the first prosthetic component into the second prosthetic component. The end of the rod of the fastener is threaded into a threaded bore defined in the second prosthetic component.
    Type: Grant
    Filed: January 25, 2016
    Date of Patent: August 7, 2018
    Assignee: DePuy Ireland Unlimited Company
    Inventors: Filip Leszko, Aaron Matyas, Kyle Steffe, David E. Rottger, Daniel M. Hippensteel
  • Assembly tool
    Patent number: 10022234
    Abstract: An instrument for assembling an implant on a neck. The implant and neck being coupled via a taper having a taper axis. The instrument includes a frame having a distal portion and a proximal portion, the distal portion of the frame including a retaining member adapted to engage a portion of the neck. The retaining member includes a pair of moveable arms extending from the distal portion of the frame, the pair of moveable arms adapted to engage a pair of recesses on opposing sides of the neck. The instrument also includes a force applier retained in the proximal portion of the frame. The force applier includes a screw having a screw axis that is coaxial with the taper axis, wherein the screw is adapted to engage the implant. As the screw is turned, the force applier applies a force on the implant while the neck is held in place by the frame, thereby causing the tapers of the implant and neck to engage.
    Type: Grant
    Filed: January 14, 2016
    Date of Patent: July 17, 2018
    Assignee: DEPUY IRELAND UNLIMITED COMPANY
    Inventors: Justin Grostefon, Jeffrey McAnelly, Larry McCleary
  • Polymer 4-in-1 femoral cutting block
    Patent number: 10022130
    Abstract: An orthopedic surgical instrument including a polymer 4-in-1 femoral cutting block having a chamfer cutting slot defined therein, and a chamfer cutting guide assembly secured within the chamfer cutting slot. The chamfer cutting guide assembly includes a first planar surface, a second planar surface spaced apart from, and extending parallel to, the first planar surface, a third planar surface connected to the second planar surface and extending at an angle relative to the first planar surface and a fourth planar surface connected to the first planar surface and extending parallel to the third planar surface. The first planar surface and the second planar surface define a first metallic planar cutting guide, and the third planar surface and the fourth planar surface define a second metallic planar cutting guide. The chamfer cutting guide assembly may include a pair of metallic bushings.
    Type: Grant
    Filed: November 27, 2013
    Date of Patent: July 17, 2018
    Assignee: DePuy Ireland Unlimited Company
    Inventors: Jon M. Edwards, Michael J. Rock, Chad S. McAlexander
  • Implant
    Patent number: 10010424
    Abstract: An implant, prosthesis and method of use are described. The implant comprises an articulation component having a bearing surface and a reverse surface arranged to couple to a proximal neck portion of an arthroplasty implant coupled to a bone. A collar is arranged to couple to the reverse surface of the articulation component. The collar defines a neck hole arranged to pass around the coupling between the articulation component and the proximal neck portion of the arthroplasty implant. The collar and the articulation component comprise complementary coupling features to secure the collar to the articulation component. The collar further comprises a plurality of attachment portions to couple the collar to bone fragments or soft tissues. The prosthesis comprises the implant and an arthroplasty implant having a distal portion arranged to be coupled to an end of a long bone and a proximal neck portion.
    Type: Grant
    Filed: March 8, 2017
    Date of Patent: July 3, 2018
    Assignee: DEPUY IRELAND UNLIMITED COMPANY
    Inventors: Anders Ekelund, Sylvain Gauthier
  • Femoral orthopaedic surgical instrument and method
    Patent number: 10010329
    Abstract: A method and apparatus for performing an orthopaedic surgical procedure on a femur includes attaching a proximal end of an intramedullary adaptor to an intramedullary orthopaedic surgical instrument, securing a distal end of an intramedullary adaptor to a base cutting block, inserting the intramedullary orthopaedic surgical instrument into a medullary canal using the base cutting block, and positioning the base cutting block on a distal end of the femur.
    Type: Grant
    Filed: November 1, 2016
    Date of Patent: July 3, 2018
    Assignee: DEPUY IRELAND UNLIMITED COMPANY
    Inventors: Benjamin J. Sordelet, Chad E. Derf, Rebecca L. Chaney, Craig S. Tsukayama, Carl F. Livorsi, Phillip G. Withee
  • Orthopaedic cutting tool having a chemically etched metal insert and method of manufacturing
    Patent number: 9987023
    Abstract: An orthopedic surgical instrument comprising an orthopedic cutting tool includes a metallic cutting insert configured to remove portions of a patient's bone and a body molded to the cutting insert. The cutting insert includes a plurality of chemically etched holes, and the body is molded to the cutting insert such that each of the plurality of chemically etched holes is at least partially filled by a portion of the body. The cutting insert may include a plurality of cutting teeth configured to remove portions of the patient's bone. A method of manufacturing an orthopedic surgical instrument is also disclosed.
    Type: Grant
    Filed: May 26, 2016
    Date of Patent: June 5, 2018
    Assignee: DEPUY IRELAND UNLIMITED COMPANY
    Inventor: Jon M. Edwards
  • Surgical instruments
    Patent number: 9987056
    Abstract: A kit of parts for inserting a deformable implant into a cavity in a bone of a patient is described. An inserter instrument (1) comprises a body (100) having a cavity extending along a longitudinal axis from a distal end to a proximal end. An attachment mechanism (108) is provided at the distal end and to which a deformable implant can be releasably attached. A drive mechanism (132) is provided at the proximal end of the body. A push rod (150) is freely and slidably arranged within the cavity and has a distal end engageable with a part of the deformable implant and a proximal end abutable by the drive mechanism. The drive mechanism is operable to drive the push rod toward the distal end of the body. The kit also includes an impactor (210) dimensioned for slidable engagement within the cavity.
    Type: Grant
    Filed: May 28, 2013
    Date of Patent: June 5, 2018
    Assignee: DePuy Ireland Unlimited Company
    Inventors: James Anderson, Gary Moore, Ivan Green
  • Surgical instruments and method of surgically preparing a patient's tibia
    Patent number: 9962173
    Abstract: A method of surgically preparing a proximal end of a tibia includes inserting an intramedullary orthopedic surgical instrument into a medullary canal of the tibia, securing an attachment device to the intramedullary orthopedic surgical instrument, attaching a cutting block to the attachment device, resecting the proximal end of the tibia using the cutting block to form a surgically-prepared surface, positioning a tibial base trial on the surgically-prepared surface, and inserting a keel punch through a slot defined in the tibial base trial and into the surgically-prepared surface of the tibia.
    Type: Grant
    Filed: February 28, 2017
    Date of Patent: May 8, 2018
    Assignee: DEPUY IRELAND UNLIMITED COMPANY
    Inventors: Kyle B. Thomas, Todd A. Kilpela, Steven P. Gowers, Ryan C. Keefer, William R. Macumber, Jonathan C. Lee, Lisa M. Robertson
  • Anterior stabilized knee implant
    Patent number: 9962264
    Abstract: A posterior cruciate ligament retaining knee implant prosthesis comprising a femoral component including a medial condyle and a lateral condyle separated from one another by an intercondylar channel adapted to accommodate throughput of a native cruciate ligament, both the medial condyle and the lateral condyle posteriorly terminate individually, the medial condyle including a medial condyle bearing surface and the lateral condyle including a lateral condyle bearing surface, the femoral component including an anterior cam, and a tibial component including a medial condyle receiver having a medial condyle receiver bearing surface, the tibial component also including a lateral condyle receiver having a lateral condyle receiver bearing surface, the tibial component also including an anterior post.
    Type: Grant
    Filed: July 6, 2016
    Date of Patent: May 8, 2018
    Assignee: DEPUY IRELAND UNLIMITED COMPANY
    Inventor: Richard David Komistek
  • Grater and trial liner
    Patent number: 9943319
    Abstract: An instrument for preparing an acetabulum. The instrument includes a handle having a reamer coupling feature and a trial coupling feature. The instrument further includes an acetabular reamer having an outer cutting surface and an inner concave surface having an apex. The acetabular reamer has a first handle coupling feature located at the apex adapted to couple to the reamer coupling feature of the handle. A trial having an outer convex surface having an apex is also included. The outer convex surface adapted to fit inside the inner concave surface of the acetabular reamer. The trial has a second handle coupling feature located at the apex of the outer convex surface adapted to couple to the trial coupling feature of the handle.
    Type: Grant
    Filed: May 9, 2017
    Date of Patent: April 17, 2018
    Assignee: DEPUY IRELAND UNLIMITED COMPANY
    Inventors: Michael Fortin, Larry McCleary, Ken Hayes
  • Orthopaedic knee prosthesis having controlled condylar curvature
    Patent number: 9937049
    Abstract: An orthopedic 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: May 3, 2016
    Date of Patent: April 10, 2018
    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
  • Femoral stem including an anchor to facilitate assembly and implantation
    Patent number: 9937048
    Abstract: An orthopedic prosthesis for use in a hip replacement surgery. The orthopedic prosthesis includes an elongated stem component that has a proximal body, a neck extending superiorly and medially from the proximal body and a tapered stem extending inferiorly from the proximal body. An anchor is positioned on the neck and is configured to be engaged by a surgical instrument. A system for use in assembling the orthopedic prosthesis and a method of assembly are also disclosed.
    Type: Grant
    Filed: January 14, 2016
    Date of Patent: April 10, 2018
    Assignee: DEPUY IRELAND UNLIMITED COMPANY
    Inventors: Justin D. Grostefon, Rodney E. Satterthwaite, Jeffrey A. McAnelly, Jeffrey R. Roose, Edward Kavanagh, Theodore L. Badgley