Patents Assigned to Zimmer, Inc.
  • Patent number: 10722383
    Abstract: A femoral head press can comprise: a frame having first end second ends; a clamp connected to the first end to define a holding plane; a mechanical drive mechanism mounted to the second end and having a drive axis; a ram connected to the second end; and a femoral head cup connected to the ram; wherein the mechanical drive mechanism is configured to drive the ram along the drive axis substantially perpendicular to the holding plane to advance the femoral head cup toward the clamp. A method for assembly a femoral head to a stem neck can comprise: attaching a clamp of a frame of a femoral head press to a neck of a femoral stem; connecting a femoral head to a cup connected to a ram slidably engaged with the frame; and actuating a mechanical drive mechanism coupled to the frame to advance the cup toward the neck.
    Type: Grant
    Filed: May 11, 2017
    Date of Patent: July 28, 2020
    Assignee: Zimmer, Inc.
    Inventor: Matthew Steif
  • Patent number: 10716579
    Abstract: A method of creating a patient specific instrument (PSI) for use in knee replacement surgery is described which includes performing at least two two-dimensional X-ray scans of a bone, each of the X-ray scans being taken from different angular positions, generating a digital bone model of the bone based on the X-ray scans, planning the PSI based on the digital bone model, including determining locations for one or more anchor points on the PSI which are adapted to abut a surface of the bone, the determined locations of the anchor points being disposed on the PSI at locations corresponding to areas of expected high accuracy on the digital bone model generated by the X-ray scans. The areas of expected high accuracy include at least a peripheral bone contour in at least one of the angular position of the X-ray scans. A suite of such PSI instruments is also described.
    Type: Grant
    Filed: March 8, 2018
    Date of Patent: July 21, 2020
    Assignee: ZIMMER INC.
    Inventors: Pierre Couture, Trong Tin Nguyen, Anselm Jakob Neurohr, Jean-S├ębastien Merette
  • Patent number: 10716677
    Abstract: A method of anatomically positioning screw holes in an acetabular implant that can be used in surgery, such as a total hip arthroplasty. In some examples the method can be used to position holes in a shell of the implant. The method can include, for example, obtaining anatomic data including data defining an arch of bone behind an acetabulum of the living being, the arch of bone extending from a superior anterior portion to an inferior posterior portion of the acetabulum. The method can further include positioning a first series of holes along a first arched line within the acetabular shell, the first arched line determined based on the anatomic data for the arch of bone proximate the acetabulum of the living being.
    Type: Grant
    Filed: May 24, 2018
    Date of Patent: July 21, 2020
    Assignee: Zimmer, Inc.
    Inventors: David Lewallen, Rafael Sierra, Jacob Macke, Aaron P. Smith, Robert D. Krebs
  • Patent number: 10716605
    Abstract: Embodiments provide methods, apparatuses, and systems for fixation of a fractured bone. In various embodiments, the systems and plates may provide elastic suspension of the receiving holes relative to the osteosynthesis plate. This elastic suspension may promote load distribution between the screws that connect a bone segment to the plate, thereby reducing stress risers and load shielding effect. In addition, stress at the screw holes, and within the construct as a whole, is reduced by incorporation of these elastic elements in the plate. Additionally, in some embodiments, for instance if fracture healing by callus formation is desired, elastic suspension of the receiving holes relative to the osteosynthesis plate may enable small, controlled amounts of relative motion between bone fragments connected by the plate, which may promote fracture healing by callus formation.
    Type: Grant
    Filed: August 23, 2017
    Date of Patent: July 21, 2020
    Assignee: Zimmer, Inc.
    Inventors: Michael Bottlang, Steven M. Madey
  • Patent number: 10709565
    Abstract: The present disclosure relates to prosthesis systems having trays and liners having an asymmetrical locking mechanism to bias the strength of the liner to resist loading forces and associated methods. The tray has a lateral groove disposed in an inner surface of a lateral circumferential portion of the tray and a medial groove disposed in an inner surface of a medial circumferential portion of the tray. The liner has an upper segment and a lower segment. The liner has a locking portion for lockingly engaging the tray that includes the lower segment. The locking portion has a lateral toe positioned generally diametrically opposite a plurality of resiliently deformable medial fingers defined therein. The liner and the tray are engageable in a lateral-to-medial direction so that the plurality of medial fingers can resiliently deform to engage the medial groove subsequent to engagement of the lateral toe within the lateral groove.
    Type: Grant
    Filed: August 26, 2016
    Date of Patent: July 14, 2020
    Assignee: Zimmer, Inc.
    Inventors: Steven Humphrey, James D. Wernle, Joanna Surma, Stephen H. Hoag, Donald W. Dye, Kenton A. Walz, Terry W. Wagner, Kathleen Macke, Duane Gillard, Brian D. Byrd, Ken Yamaguchi
  • Patent number: 10709523
    Abstract: A method of depositing a relatively thin film of bioinert material onto a surgical implant substrate, such as a dental implant. Chemical vapor deposition (CVD) may be used to deposit a layer of tantalum and/or other biocompatible materials onto a solid substrate comprised of an implantable titanium alloy, forming a biofilm-resistant textured surface on the substrate while preserving the material properties and characteristics of the substrate, such as fatigue strength.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: July 14, 2020
    Assignee: Zimmer, Inc.
    Inventors: Joseph R. Vargas, Steven Seelman
  • Patent number: 10702308
    Abstract: An external fixation clamp for receiving a fixation element includes an inner jaw and an outer jaw movable between an open position that permits the fixation element to be placed between the inner and outer jaws and a closed position that restricts removal of the fixation element from between the inner and outer jaws. A latch assembly may cooperate with the inner and outer jaws to secure the jaws in a closed position. The latch assembly may comprise a latch and a latch biasing member. The latch may be configured to translate linearly relative to one of the inner and outer jaws, and the latch biasing member may have a first higher level of stored energy when the inner and outer jaws are in the open position and a second lower level of stored energy when the inner and outer jaws are in the closed position.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: July 7, 2020
    Assignee: Zimmer, Inc.
    Inventor: Michael W. Mullaney
  • Patent number: 10693412
    Abstract: In a surgical power tool that includes an electric motor positioned in a housing and a movable element extending from the housing and operatively actuated by the electric motor, a controller can repeatedly interrogate for faults a plurality of components in or on the housing, such as the electric motor, the controller, a battery, a trigger, and a mode switch. Upon finding a component in a fault condition, the controller can engage a critical error handler that disengages the electric motor, disables at least some of the plurality of components, and directs a microprocessor in the controller into a safe software state. Upon engaging the critical error handler, the controller can further write to a memory an error code corresponding to which of the plurality of components is in the fault condition. The error code can be accessible via a wired or wireless connection.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: June 23, 2020
    Assignee: Zimmer, Inc.
    Inventor: Brian Keith Heston
  • Patent number: 10687568
    Abstract: Surgical helmet assemblies have a helmet enclosure shaped to encircle a head of a user. The helmet enclosure retains a fan and includes a brow bar portion at a front of the helmet enclosure that is shaped to extend along a brow or a forehead of the user and having a light positioned therein. The helmet enclosure also includes a stabilizer extending downward from the helmet enclosure in front of the ears of a user, a face shield that is transparent and coupleable to at least the brow bar portion, a headband shaped to extend across an occiput region of the user's head, and a surgical garment for covering at least the head and shoulders of a user in use. The brow bar portion includes vents disposed therein to direct airflow pushed through the helmet enclosure from the fan onto the user. The face shield is coupleable to the helmet enclosure by one or more of a hook and loop fastener on the helmet enclosure or the stabilizer and a post protruding from the brow bar portion.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: June 23, 2020
    Assignee: Zimmer, Inc.
    Inventors: Ganesh B Pavalarajan, Douglas C. Barker, John Bartholomew, George Brand, Anna Diorio-Blum, Larry Keith Hooks, Jr., Steven E. Huckaby, Russell Kittel, James Prescott, Krista I. A. Smith
  • Publication number: 20200179124
    Abstract: Described is an acetabular assembly comprising: an acetabular cup component (100) having an outer convex surface (104), an inner concave surface (106) defining a cup cavity, and a plurality of openings (116) that extend between the inner concave surface and the outer convex surface and that are configured to accommodate a fastener for attaching the acetabular cup component to an acetabulum of a patient; an insert bearing liner (200) defined by an inner concave surface (202) and an outer convex surface (206), and configured to be located at least partially within die cup cavity of the acetabular cup component; and a plurality of spacers (300) that are configured to be inserted into the plurality of openings in the acetabular cup component from the inner concave surface.
    Type: Application
    Filed: May 22, 2017
    Publication date: June 11, 2020
    Applicant: ZIMMER, INC.
    Inventor: Paul Borries
  • Patent number: 10675074
    Abstract: Various different porous screws and pegs are disclosed herein, as are methods of manufacturing such porous pegs or screws. The porous screws and pegs, in certain examples, are formed through additive manufacturing and have improved porosity for bone ingrowth. In certain cases, additive manufacturing or another manufacturing technique can be used to cover only part or all of the threads of the screws or pegs disclosed herein with a porous material. Such screws or pegs can have porosity but also threads that are capable of effectively digging into bone.
    Type: Grant
    Filed: January 23, 2018
    Date of Patent: June 9, 2020
    Assignee: Zimmer, Inc.
    Inventors: Keith A. Roby, John Chernosky, Imants Liepins, Bradford J. Coale, Jacob Macke
  • Patent number: 10675153
    Abstract: According to one example, a tibial prosthesis that can include a tibial bearing component, tibial baseplate, an insert and a fastener. The tibial bearing component can have medial and lateral proximal articular surfaces and an opposing distal surface. The tibial bearing component can define at least one recess therein with the recess having an opening at a periphery of the tibial bearing component. The tibial baseplate can be coupled to the tibial bearing component on the proximal surface thereof and having a distal surface configured to be disposed on a resected proximal surface of a tibia. The insert can be configured to be disposed within the recess and can engage the tibial baseplate and the tibial bearing component. The fastener can be insertable into the tibial bearing component and can be configured to retain the insert to the tibial baseplate.
    Type: Grant
    Filed: March 8, 2018
    Date of Patent: June 9, 2020
    Assignee: Zimmer, Inc.
    Inventors: Brian D. Byrd, Kathleen Macke, Dwight T Todd, James D. Wernle, Vanessa Croll, Jeff Blaylock, Abraham P. Habegger
  • Patent number: 10667798
    Abstract: A surgical tool handle assembly can include a handle body and a tool locking mechanism. The handle body can have a tool receiving end for receiving a mating end of a surgical tool. The tool locking mechanism can be configured to securely engage the surgical tool mating end, thereby locking the surgical tool to the handle. The locking mechanism can include a ramp feature, a locking cam, and an actuation mechanism. The actuation mechanism can be configured to actuate the cam to engage the ramp feature as the cam engages the tool mating end to lock the tool to the handle. A surgical kit and a method of locking a surgical tool to a tool handle are also disclosed.
    Type: Grant
    Filed: October 24, 2013
    Date of Patent: June 2, 2020
    Assignee: Zimmer, Inc.
    Inventors: Darren Thomsen, Walter W. Thomas, Andrew J. Steiner
  • Patent number: 10667919
    Abstract: The present disclosure provides knee prostheses that replicate at least a portion of the function of an individual patient's anterior cruciate ligament (ACL). An exemplary knee prosthesis includes a femoral component configured to be implanted on the distal end of the patient's femur and a tibial component configured to be implanted on the proximal end of the patient's tibia. In extension, the femoral component and the tibial component may cooperate to limit anterior movement of the tibial component relative to the femoral component. In flexion, the femoral component may be free to rotate relative to the tibial component.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: June 2, 2020
    Assignee: Zimmer, Inc.
    Inventors: Adam H. Sanford, Vincent A. Webster, Dwight T Todd, Anthony Romano, Christopher M. Byrd, Jody L. Claypool, Raymond C. Parisi
  • Patent number: 10660760
    Abstract: Embodiments of a system and method for assessing hip arthroplasty component movement are generally described herein. A method may include receiving data from a sensor embedded in a femoral head component, the femoral head component configured to fit in an acetabular component, determining information about a magnetic field from the data, and outputting an indication of an orientation, coverage, or a force of the femoral head component relative to the acetabular component.
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: May 26, 2020
    Assignee: Zimmer, Inc.
    Inventors: Kenneth D. Johannaber, John Minck, Jr., Rida Hariri, Derek Dalbey
  • Patent number: 10653526
    Abstract: A prosthetic system that includes a prosthetic implant and a support structure secured to an inner surface of a cavity of a bone is disclosed. The support structure defines a channel that extends through the length of the support structure. The prosthetic implant is received in the channel, and a portion of the prosthetic implant is secured to an inner surface of the support structure by an adhesive. The support structure may comprise a pair of partially hemispherical components arranged in spaced apart relationship thereby defining the channel between the pair of components.
    Type: Grant
    Filed: May 15, 2014
    Date of Patent: May 19, 2020
    Assignee: Zimmer, Inc.
    Inventors: Arlen D. Hanssen, David Lewallen
  • Patent number: 10646346
    Abstract: A prosthetic system that includes a prosthetic implant and a support structure secured to an inner surface of a cavity of a bone is disclosed. The support structure defines a channel that extends through the length of the support structure. The prosthetic implant is received in the channel, and a portion of the prosthetic implant is secured to an inner surface of the support structure by an adhesive. The support structure may comprise a pair of partially hemispherical components arranged in spaced apart relationship thereby defining the channel between the pair of components.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: May 12, 2020
    Assignee: Zimmer, Inc.
    Inventors: Arlen D. Hanssen, David Lewallen
  • Patent number: 10646326
    Abstract: The present disclosure relates, in some aspects, to orthopaedic implants for securing soft tissue to bone and methods for using the same. One particular implant comprises a first exposed porous surface region, having pores for promoting bone ingrowth, and a second exposed porous surface, having pores for promoting soft tissue ingrowth. At least some of the pores of the first exposed porous surface region may be seeded with osteocytic factors and at least some of the pores of the second exposed porous surface region may be seeded with fibrocytic factors. Such orthopaedic implants can advantageously facilitate regeneration of the soft tissue to bone interface.
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: May 12, 2020
    Assignee: Zimmer, Inc.
    Inventors: Tao Jiang, Jian Q. Yao, Hali Wang, Timothy A. Hoeman, Ray Zubok, John Chernosky, Keith A. Roby
  • Patent number: 10631991
    Abstract: Methods, systems and apparatuses are disclosed including apparatuses that can be used in a total knee replacement procedure. According to one example, a tibial implant is disclosed. The tibial implant can be configured for attachment to a tibia in a knee arthroplasty and can include a baseplate having a lateral portion and a medial portion oriented relative to an anteroposterior axis and a fixation member. Each of the lateral portion and the medial portion can have a distal surface configured to interface with a resected proximal surface of a tibia. The fixation member can be coupled to and extend both distally and medially from the baseplate such that the fixation member is oriented at an acute angle relative to the distal surface of the medial portion.
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: April 28, 2020
    Assignee: Zimmer, Inc.
    Inventor: Edward R. Yager
  • Patent number: 10631992
    Abstract: A reverse shoulder replacement system including a humeral liner defining a split curvature bearing surface that includes a plurality of curvature regions. The plurality of curvature regions are configured to engage a glenosphere of a glenoid implant individually or in combination to provide an improved fit between the glenosphere and the humeral liner.
    Type: Grant
    Filed: December 2, 2016
    Date of Patent: April 28, 2020
    Assignee: Zimmer, Inc.
    Inventor: Andrew Hopkins