Assignee: Zimmer Technology, Inc.

Location: Warsaw, IN
No. of patents: 51

Number	Title	Issue Date
8167888	Tibial spacer blocks and femoral cutting guide The present invention relates to one or more tibial spacer blocks used during knee arthroplasty, each configured to be temporarily positioned upon a resected proximal portion of a tibia (essentially mimicking the tibial component of the knee prosthesis), for perform...	05/01/2012
8114086	Navigated cut guide locator A navigated guide is provided for establishing datums used to position subsequent components during a surgical procedure. ...	02/14/2012
8070041	Direct application of pressure for bonding porous coatings to substrate materials used in orthopaedic implants A method for constantly controlling a direct application of pressure for bonding porous coatings to substrate materials used in orthopaedic implants. The direct pressure is applied to an interface between the porous coating and the substrate material via a pressure ...	12/06/2011
8017139	Blend hydrogels and methods of making The present invention provides blend water-swellable materials and hydrogels suitable for use in biomedical or other applications. The blend water swellable materials and hydrogels have at least one hydrophilic polymer and at least one other polymer or oligomer havi...	09/13/2011
7993341	Navigated orthopaedic guide and method A navigated orthopaedic guide is provided for establishing datums used to position subsequent components during an orthopaedic surgical procedure. ...	08/09/2011
7985259	Acetabular cup conversion ring An acetabular implant for hip replacement surgery includes a shell component and first and second alternative bearing components interchangeably engageable with the shell component to provide a choice in bearing materials. The shell component has an engagement mecha...	07/26/2011
7963979	Provisional bone plate A provisional bone plate formed of an implantable plastic and having a length corresponding to the longest bone plate in a particular family of bone plates. The provisional bone plate includes a head contoured to match the head of a particular bone as well as a shaf...	06/21/2011
7963969	Provisional orthopedic implant and recutting instrument guide A provisional component for use with differently sized first and second prosthetic orthopedic components. The provisional component has a configuration which is substantially similar to the first prosthetic component and has a predefined correspondence to the second...	06/21/2011
7955393	Multipart component for an orthopaedic implant In one aspect of the invention, an implant includes first and second components to replace a portion of each of a pair of opposed articulating bone ends. The second component has means for low friction articulation with the first component and means for engaging the...	06/07/2011
7935120	Posterior femur rough cut guide for minimally invasive knee arthroplasty A method of preparing the proximal tibial and distal ends of the femur for the implantation of prosthetic components, including the steps of exposing the joint; resecting the distal end of the femur; resecting the tibia; and making a preliminary rough cut of a poste...	05/03/2011
7931650	Adjustable bone stabilizing frame system By providing components securable to anchor pins or screws of different diameters as well as providing clamps which hold associated pins in any position during adjustments, an external fixation or adjustable frame structure is provided which is capable of being quic...	04/26/2011
7922720	Orthopaedic cutting instrument and method An orthopaedic cutting instrument and associated methods are presented. ...	04/12/2011
7918382	Method for attaching a porous metal layer to a metal substrate A method for attaching a porous metal layer to a dense metal substrate, wherein the method is particularly useful in forming orthopedic implants such as femoral knee components, femoral hip components, and/or acetabular cups. The method, in one embodiment thereof, c...	04/05/2011
7892288	Femoral augments for use with knee joint prosthesis A femoral augment, or set of augments, for use with a knee joint prosthesis, where the femoral augment includes a main body portion, an aperture formed within the main body portion and extending in a generally distal/proximal direction, and a pair of legs extending ...	02/22/2011
7857858	Modular bone implant, tool, and method Modular bone implants, manner of assembly, and their method of use are presented. In one form thereof, a tibial component of a knee prosthesis is providing including a tray having substantially planar top and bottom surfaces and an extension forming an elongate body...	12/28/2010
7854768	Shoulder arthroplasty system An implant system for total shoulder arthroplasties, hemi shoulder arthroplasties, and “reverse” total shoulder arthroplasties including a humeral stem having an enlarged head portion with interfaces adapted to removably receive various modular interchangeable c...	12/21/2010
7850698	Tibial trialing assembly and method of trialing a tibial implant A trialing assembly for use during knee replacement procedures to determine size and position of a tibial plate implant as well as the size and thickness of the articular surface prior to implantation of the implant. The trialing assembly includes a broaching plate ...	12/14/2010
7842096	Hip stem prosthesis A hip prosthesis for insertion into a femur. In one exemplary embodiment, the hip prosthesis includes a stem having a proximal end, a distal end, and a longitudinal axis. This stem may include anterior and posterior locking surfaces which diverge away from the stem....	11/30/2010
7842039	Method and apparatus for achieving correct limb alignment in unicondylar knee arthroplasty A method and apparatus for linking the distal femoral cut and the proximal tibial cut in unicondylar knee arthroplasty is disclosed. A spacing apparatus is positioned in the relevant knee compartment and utilized to hold the knee in position to correct limb alignmen...	11/30/2010
7833275	Method and apparatus for performing a minimally invasive total hip arthroplasty A method and apparatus for performing a minimally invasive total hip arthroplasty. An approximately 3.75-5 centimeter (1.5-2 inch) anterior incision is made in line with the femoral neck. The femoral neck is severed from the femoral shaft and removed through the ant...	11/16/2010
7828805	Hip stem centralizer datum guide, and method A hip stem centralizer datum guide and method are provided for positioning a proximal portion of a hip stem component within bone cement in an intramedullary canal of a femur. The datum guide is positionable in a predetermined position relative to the intramedullary...	11/09/2010
7819876	Orthopaedic pin driver An orthopaedic pin driver is presented for impacting bone during a surgical procedure. ...	10/26/2010
7794504	Method for making a metal-backed acetabular implant A metal-backed acetabular implant and a method of forming the same. ...	09/14/2010
7794462	Handpiece calibration device A calibration device for a milling instrument is provided. The calibration device may be a burr guard which may be attached to the milling instrument. The calibration device may calibrate the milling instrument to provide a predetermined depth of alteration to an an...	09/14/2010
7790216	Method for producing a zirconia-layered orthopedic implant component A method for producing a zirconia-layered orthopedic implant component includes depositing zirconium onto the orthopedic implant component, thereby forming a zirconium-layered component, and converting at least a portion of the zirconium into a substantially monocli...	09/07/2010
7780673	Method and apparatus for performing a minimally invasive total hip arthroplasty A method and apparatus for performing a minimally invasive total hip arthroplasty including an acetabular cup inserter is provided. The cup inserter is utilized for securing a prosthetic acetabular component thereto for implantation into a hip joint. The acetabular ...	08/24/2010
7780671	Bone resection apparatus and method for knee surgery A bone resection apparatus and its method of use for knee surgery are presented. In one aspect of the invention, the apparatus includes a spacer and a tibial cut guide. The spacer has a first surface engageable with the cut distal femoral bone and a second surface o...	08/24/2010
7776044	Tibial tray inserter A tibial tray inserter for use during knee joint replacement surgery is provided. ...	08/17/2010
7744600	Bone resection guide and method An apparatus is provided for guiding a cutter to cut a bone to receive a knee prosthesis and methods for its use. In one aspect of the invention a relative angle adjustment mechanism is provided to adjust the relative angle between first and second cut guides. In an...	06/29/2010
7736365	Provisional bone plate A provisional bone plate formed of an implantable plastic and having a length corresponding to the longest bone plate in a particular family of bone plates. The provisional bone plate includes a head contoured to match the head of a particular bone as well as a shaf...	06/15/2010
7727239	Milling system with guide paths and related methods for resecting a joint articulation surface A milling system for use in resecting at least a portion of a joint articulation surface of a bone includes an alignment guide having a top surface and an opposing bottom surface with an opening extending therebetween. Fasteners are used to secure the alignment guid...	06/01/2010
7708783	Rotating constrained liner An acetabular component for a prosthetic hip joint generally consists of an acetabular shell and an acetabular liner. The acetabular liner includes a cup portion and at least one constraining portion. The cup portion has a hemispherical or dome-shape that defines a ...	05/04/2010
7691150	Modular plate and keel provisionals A provisional prosthetic system and the surgical methods for utilizing the same. In one embodiment, the provisional prosthetic system includes a keel and a plate configured to be secured to the keel. The keel may further include a body and at least one fin extending...	04/06/2010
7686811	Surgical component fixation and method An apparatus is provided for attaching a surgical component to a bone at a surgical site. The apparatus includes an elongated pin and a cam mounted to the pin. The cam is engaged with the surgical component such that rotating the cam about the shaft axis changes the...	03/30/2010
7686203	Direct application of pressure for bonding porous coatings to substrate materials used in orthopaedic implants A method for constantly controlling a direct application of pressure for bonding porous coatings to substrate materials used in orthopaedic implants. The direct pressure is applied to an interface between the porous coating and the substrate material via a pressure ...	03/30/2010
7641663	Femoral reference tibial cut guide A femoral reference tibial cut guide for cutting the proximal tibia to receive a tibial implant. The cut guide references the femur to determine the appropriate tibial resection. ...	01/05/2010
7641661	Adjustable resection guide An adjustable resection guide is provided for guiding cutting of the tibia and/or femur during knee replacement surgery. ...	01/05/2010
7582118	Femoral trochlea prostheses Various embodiments of femoral trochlea prostheses useable in a knee joint. The knee joint includes a patella and a distal femur with a femoral trochlea, or patello-femoral groove. In one embodiment, a femoral trochlea prosthesis includes a distal tail. In another e...	09/01/2009
7582091	Osteotomy guide An osteotomy guide for indicating the femoral neck resection on a femur and its method of use are presented. The osteotomy guide includes an indexing feature for aligning the guide with an anatomic landmark and a resection guide for indicating the resection relative...	09/01/2009
7527650	Modular knee prosthesis A modular knee system having various distal posterior femoral components that are interchangeable with each other and with various patellar-femoral joint components. Preferably, the modular knee system has a variety of components that are interchangeable and connect...	05/05/2009

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Assignee: Zimmer Technology, Inc.