| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 623200340 | Tibial stem structure | 26 |
| 20090076600 | Medical device suitable for use in treatment of a valve - A medical device ( | 03-19-2009 |
| 20080275566 | Femoral hip stem explant system - A femoral hip stem explant system has an alignment body which is attached to two locations of a femoral bone and has several lockable collet type adjustment features to set the shaft of a reamer or end mill exactly in coincidence with the femoral bone cavity axis. The shaft of the end mill or reamer is supported by a sleeve member, which is inserted into a drill guide central aperture. The drill guide aperture is adjusted first and locked to be in line with the femoral bone cavity. Each of the sleeve members has the same mating outer diameter, which fits into the drill guide central aperture. Accordingly, the sleeve members can be interchanged into the drill guide aperture with shafts of differently sized reamers or end mills. | 11-06-2008 |
| 20090187251 | MODULAR BONE IMPLANT, TOOLS, AND METHOD - Modular bone implants, means of assembly, and their method of use are presented. | 07-23-2009 |
| 20090204222 | KNEE PROSTHESIS SYSTEM WITH AT LEAST A FIRST TIBIAL PORTION ELEMENT (A TIBIAL INSERT OR TIBIAL TRIAL) AND A SECOND TIBIAL PORTION ELEMENT (A TIBIAL INSERT OR TIBIAL TRIAL), WHEREIN EACH OF THE FIRST TIBIAL PORTION ELEMENT AND THE SECOND TIBIAL PORTION ELEMENT HAS A DIFFERENT SLOPE - One embodiment of the present invention relates to a knee prosthesis system with at least a first tibial portion element (a tibial insert or a tibial insert trial) and a second tibial portion element (a tibial insert or a tibial insert trial), wherein each of the first tibial portion element and the second tibial portion element has a different slope. Another embodiment of the present invention relates to a method of implanting a knee prosthesis, wherein the method utilizes at least a first tibial portion element (a tibial insert or a tibial insert trial) and a second tibial portion element (a tibial insert or a tibial insert trial), wherein each of the first tibial portion element and the second tibial portion element has a different slope. | 08-13-2009 |
| 20090306787 | TRIAL COUPLER SYSTEMS AND METHODS - Embodiments of the present invention provide a trial coupler system for use in preparing a patient for an implant. Certain embodiments provide a system including a coupling device ( | 12-10-2009 |
| 20100100191 | Tibial Tray Having a Reinforcing Member - A knee joint prosthesis can include a tibial component that can have a tibial tray. The tibial tray can include a platform-like tray that defines a superior surface and an inferior surface. The platform-like tray can have a tray perimeter and a raised wall formed on the inferior surface. The raised wall can be offset inboard relative to the tray perimeter. Porous material can be disposed on the inferior surface of the platform-like tray at a location generally between the raised wall and the tray perimeter. | 04-22-2010 |
| 20100217401 | ANTIBIOTIC DELIVERY SYSTEM AND METHOD FOR TREATING AN INFECTED SYNOVIAL JOINT DURING RE-IMPLANTATION OF AN ORTHOPEDIC PROSTHESIS - An antibiotic delivery system including an intramedullary stem that is adapted to be removably mounted into a medullary canal of a bone. The stem includes a body having an inlet adapted to be in fluid communication with a source of liquid-borne antibiotic and a plurality of outlets disposed along the stem. A channel extends between the inlet and the plurality of outlets for delivering a fluid-borne antibiotic from the inlet to the plurality of outlets so as to distribute the antibiotic along the medullary canal in a controlled fashion. A method of treating an infected joint during a two-stage re-implantation of an orthopedic implant is also disclosed. | 08-26-2010 |
| 20120041564 | ORTHOPAEDIC IMPLANTS AND METHODS - There is provided a tibial component comprising: a tibial tray with an inferior side; and a support member connected to the inferior side of the tibial tray, the support member having a stem portion, the support member further comprising at least one opening. In one embodiment, the at least one opening is constructed and arranged to receive a sawblade or an osteotome. In another embodiment, the at least one opening is comprised of solid material but is radio-lucent. In yet another embodiment, the at least one opening is comprised of solid material and is frangible. | 02-16-2012 |
| 20120059484 | MODULAR BONE IMPLANT, TOOLS, AND METHOD - Modular bone implants, means of assembly, and their method of use are presented. | 03-08-2012 |
| 20130046385 | TIBIAL IMPLANT BASE - An orthopedic prosthesis includes a tibial implant and a tibial insert. The tibial implant includes an upper surface, a medial side, a lateral side and a first locking structure provided on the upper surface where the medial side and the lateral side of the tibial implant are defined by a medial-lateral midline. The tibial insert includes a second locking structure provided on its bottom surface. The first and second locking structures are configured for engaging each other along an engagement direction vector when the tibial insert is inserted into the tibial base towards the posterior side. The engagement direction vector is angled away from the medial-lateral midline of the tibial implant towards the medial side of the tibial implant by a predetermine angle. | 02-21-2013 |
| 20130131820 | TIBIAL BASEPLATE WITH ASYMMETRIC PLACEMENT OF FIXATION STRUCTURES - An orthopaedic knee prosthesis is provided including a tibial baseplate component having a distal, bone-contacting surface with one or more fixation structures extending distally therefrom, in which the fixation structures are asymmetrically arranged within the baseplate periphery. | 05-23-2013 |
| 20130166038 | SYSTEMS AND METHODS FOR PROVIDING DEEPER KNEE FLEXION CAPABILITIES FOR KNEE PROSTHESIS PATIENTS - Systems and methods for providing deeper knee flexion capabilities, more physiologic load bearing and improved patellar tracking for knee prosthesis patients. Such systems and methods include (i) adding more articular surface to the antero-proximal posterior condyles of a femoral component, including methods to achieve that result, (ii) modifications to the internal geometry of the femoral component and the associated femoral bone cuts with methods of implantation, (iii) asymmetrical tibial components that have an unique articular surface that allows for deeper knee flexion than has previously been available, (iv) asymmetrical femoral condyles that result in more physiologic loading of the joint and improved patellar tracking and (v) modifying an articulation surface of the tibial component to include an articulation feature whereby the articulation pathway of the femoral component is directed or guided by articulation feature. | 06-27-2013 |
| 20130218284 | TIBIAL BASEPLATE ASSEMBLY FOR KNEE JOINT PROSTHESIS - Apparatus for reconstructing a joint, the apparatus comprising:
| 08-22-2013 |
| 20130289732 | Total Knee Arthroplasty System and Method - Disclosed herein are prosthesis, surgical tools, and methods to preserve one or more ligaments of the knee by cutting a least a portion of natural bone during joint surgery. The natural bone may be cut using various methods and associated cutting guides, and the natural bone is retained along with the natural attachment of an associated soft tissue structure. The bone block cutting guides may create a variety of standard natural block shapes or may create mechanical mating features (e.g., keystone or dovetail configuration) in the natural bone portion that may be inserted, wedged, press-fit, and/or mechanically attached to the tibia. The natural bone block with the associated soft tissue may be further secured by incorporating features in the tibial prosthesis, providing the surgeon with additional fixation components and/or fixation mechanisms. | 10-31-2013 |
| 20140156017 | FLEX ANCHOR FOR ATTACHING A PROSTHESIS TO BONE - A tibial anchoring assembly comprising a tibial tray and an anchor. The tibial tray comprises an upper surface for engagement with a femoral component and a lower surface for engagement with a tibia bone. The lower surface defines at least one retaining aperture. The anchor is adapted to compressively couple the tibial tray to the tibia bone. The anchor comprises a longitudinally extending base, a top section coupled to the base and having a shape to be received into the retaining aperture of the tibial tray, and a flexible blade member protruding from the base. The flexible blade member is adapted to be flexed in tension while being inserted into the tibia bone, thereby exerting a compressive force between the tibial tray and the tibia bone. A deforming fixture may be used to shape the flexible blade member. Methods of affixing an implant to a bone structure are also provided. | 06-05-2014 |
| 20140200674 | KNEE REPLACEMENT PROSTHETIC - A knee replacement system for enabling natural knee movement in a leg comprising a prosthetic is provided. The prosthetic includes a tibial portion at least partially implantable on a resected surface of a tibia; a plate portion attached to the tibial portion and at least partially implantable in a meniscal space; wherein the plate portion comprises a top surface having a medial recess and a lateral recess and a bottom surface attached to a top surface of the tibial portion wherein the tibial portion and the plate portion are one piece, wherein a medial side surface, a lateral side surface, a posterior side surface and an anterior side surface are attached to at least a portion of the top surface and at least a portion of the bottom surface and defining a medial side edge, a lateral side edge, a posterior side edge and an anterior side edge respectively, where in at least a portion of one of the medial side edge, lateral side edge, posterior side edge, and anterior side edge is oblique. | 07-17-2014 |
| 20140222156 | CEMENTLESS TIBIAL IMPLANT - A cementless orthopedic implant is disclosed. More specifically, but not necessarily entirely, a cementless tibial implant used as a component of a knee joint is disclosed. The tibial component may comprise a tibial tray and stem. The tibial component may be a monoblock design used for both primary and revision surgeries. The stem of the tibial component may comprise a plurality of protruding steps that assist in providing primary fixation and stability without the use of screws or cement. The stem of the tibial component may further comprise a first and second stepped wing portions. | 08-07-2014 |
| 20140222157 | Acquiring and Utilizing Kinematic Information for Patient-Adapted Implants, Tools and Surgical Procedures - Various embodiments of methods for obtaining kinematic information regarding a joint, including information regarding the joint in a weight-bearing position, are disclosed, as well as methods of designing implants, instruments, and surgical repair systems based on the kinematic information. | 08-07-2014 |
| 20140249641 | TIBIAL BASEPLATE WITH ASYMMETRIC PLACEMENT OF FIXATION STRUCTURES - An orthopaedic knee prosthesis is provided including a tibial baseplate component having a distal, bone-contacting surface with one or more fixation structures extending distally therefrom, in which the fixation structures are asymmetrically arranged within the baseplate periphery. | 09-04-2014 |
| 20140257507 | PARTIALLY POROUS BONE IMPLANT KEEL - A method for removing a stem portion of an orthopedic implant from a bone comprises exposing an implanted orthopedic implant having a body portion, a stem portion interconnected to the body and a porous metal section forming an interconnection between the body and the stem portion. A cutting tool is mounted on a holder connected to an exposed surface of the orthopedic implant. The porous section is aligned with the cutting tool mounted on the holder. The entire porous section is cut by moving the cutting tool therethrough in a direction transverse to the stem portion axis. The implant body portion is then removed and then the stem portion is removed from the bone. The cutting tool may be a saw or chisel which may be mounted on a guide fixed to the body portion. | 09-11-2014 |
| 20140277547 | MECHANICAL ASSEMBLY OF PEGS TO PROSTHESIS - An orthopaedic prosthesis for cementless fixation has a solid metal base and porous metal pegs extending out from the base. The pegs are mechanically, rather than metallurgically, fixed to the base. A process for making such a prosthesis is also disclosed. | 09-18-2014 |
| 20140277548 | UNICONDYLAR TIBIAL KNEE IMPLANT - An implant providing for both short and long term stability and fixation is disclosed. The implant includes a plurality of projections extending from a bone contacting surface, and a porous material covering at least portions of the surface and projections. The orientation of the projections and the porous material provide for the stability and fixation. Methods of forming and utilizing the implant are also disclosed. | 09-18-2014 |
| 20140324180 | TIBIAL IMPLANT BASE - An orthopedic prosthesis includes a tibial implant and a tibial insert. The tibial implant includes an upper surface, a medial side, a lateral side and a first locking structure provided on the upper surface where the medial side and the lateral side of the tibial implant are defined by a medial-lateral midline. The tibial insert includes a second locking structure provided on its bottom surface. The first and second locking structures are configured for engaging each other along an engagement direction vector when the tibial insert is inserted into the tibial base towards the posterior side. The engagement direction vector is angled away from the medial-lateral midline of the tibial implant towards the medial side of the tibial implant by a predetermine angle. | 10-30-2014 |
| 20140330389 | APPLICATION OF DIFFUSION HARDENED MATERIAL - An improved implant having components comprising an oxidized zirconium bearing surface adapted to decrease pain, lower friction, and minimize wear when coupled with natural femoral articular cartilage. The improved implant components also provide for reduced backside wear effects in fixed and mobile implants. The improved implant components further provide for more ideal wear coupling between components in mobile bearing implants. | 11-06-2014 |
| 20150073562 | TIBIAL IMPLANT HAVING AN ANATOMIC STEM - Disclosed herein are systems, methods, and devices for providing a tibial implant including an anatomic stem that provides a close interface between the implant and surrounding bone. The stem varies in size, cross-sectional shape, or orientation from a proximal portion of the stem to the tip of the stem. The variation of the stem accommodates the variation of tibial anatomy into which the implant component is implanted. The stem provides resistance against rotation of the implant and reduces stress shielding effects by transmitting forces into surrounding bone. In certain implementations, the interface between the stem and bone is supplemented by fin extensions that extend outward from the stem and increase the contact between the implant and the surrounding bone structure. | 03-12-2015 |
| 20160038292 | SYSTEMS AND METHODS FOR PROVIDING A STEM ON A TIBIAL COMPONENT - Systems and methods for providing a tibial prosthesis are disclosed. In some cases, the prosthesis includes a tibial component for replacing at least a portion of a proximal end of a tibia, the tibial component having an undersurface and a stem that extends from the undersurface, wherein the stem is configured to contact an inner, anterior surface of the tibia when the stem is inserted into the tibia and the undersurface of the tibial component is in contact with a cut surface of the tibia. Other implementations are described. | 02-11-2016 |
| 20160120651 | Total Knee Arthroplasty System and Method - Disclosed herein are prosthesis, surgical tools, and methods to preserve one or more ligaments of the knee by cutting a least a portion of natural bone during joint surgery, with a portion of the natural bone retained along with the natural attachment of an associated soft tissue structure. The natural bone portion with the associated soft tissue may be re-secured to relevant anatomy during or after knee surgery, which may include retention by features of a tibial prosthesis. | 05-05-2016 |
