Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 8343227 | Knee prosthesis assembly with ligament link A prosthetic knee joint assembly includes a femoral component that engages a femur and at least one bearing that supports articulation of the femoral component thereon. Also, the assembly includes a tibial tray that engages a tibia and that supports the bearing. A l... | 01/01/2013 |
| 8236061 | Orthopaedic knee prosthesis having controlled condylar curvature 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 ... | 08/07/2012 |
| 7922771 | High performance knee prostheses Knee prostheses featuring components that more faithfully replicate the structure and function of the human knee joint in order to provide, among other benefits: greater flexion of the knee in a more natural way by promoting or at least accommodating internal tibial... | 04/12/2011 |
| 7601177 | Method for determining and adjusting the optimal relative position of a functional surface of an artificial joint An apparatus and a method for determining and adjusting the optimal relative position of several functional surfaces of a condyle or of a socket of a human or artificial joint, especially for use with an endoprosthesis for the human knee joint, is provided. The appa... | 10/13/2009 |
| 7364590 | Anatomical knee prosthesis An anatomical knee prosthesis configured to be oriented on an anatomical line of an interarticular space of the knee and not oriented on a mechanical axis as far as the interarticular space of the knee is concerned. ... | 04/29/2008 |
| 7351263 | Complete knee prosthesis A prosthesis whose condyles (3) have a spiral form, viewed in the saggital plane and the femoral element (1) has a medial lobe (6) with a curved surface. The medial plateau (2) has glenoid cavities (2b) for the condyles (... | 04/01/2008 |
| 7338497 | Femoral impactor-extractor A femoral impactor-extractor and method includes a body having an elongated passageway extending from a proximal end to a distal end, an elongated post positioned in such passageway for longitudinal movement therein and extending from a threaded proximal end to a di... | 03/04/2008 |
| 7326252 | High performance knee prostheses Knee prostheses featuring components that more faithfully replicate the structure and function of the human knee joint in order to provide, among other benefits: greater flexion of the knee in a more natural way by promoting or at least accommodating internal tibial... | 02/05/2008 |
| 7320487 | Cancel lever device for a door handle of a motor vehicle A cancel lever device is disclosed for a door handle mechanism of a motor vehicle. The device includes a cancelling portion having a first and a second side, the cancelling portion being pivotally secured relative to the door handle mechanism about a pivotal axis. T... | 01/22/2008 |
| 7309361 | Biologic modular tibial and femoral component augments for use with total knee arthroplasty The use of biologic and/or biologically reabsorbable materials to provide temporary stability after a surgical joint procedure is provided. Exemplary embodiments of the invention provide biologic and/or biologically reabsorbable cam and/or post linings mounted to re... | 12/18/2007 |
| 7309362 | Artificial knee joint An artificial knee joint, which makes a drag (a contact stress) acting on a sliding surface upon bending small so as to evade an extraordinary abrasion and damage of a sliding surface of a tibia component and which prevents an bending angle from being decreased by p... | 12/18/2007 |
| 7306609 | Femoral slideway A femoral slideway and a femoral slideway/femur-size template combination is employed to create an installed knee prosthesis that creates a reduced amount of stress in the collateral ligaments relative to previous prostheses. In one embodiment, the reduced stress is... | 12/11/2007 |
| 7303586 | Coupled knee prosthesis with a rotational bearing A knee prosthesis includes a femoral component with condylar sliding surfaces which are rigidly interconnected, a tibial component provided with a tibial platform which is linked to it in a non-rotatable manner and has tibial sliding surfaces which cooperate with th... | 12/04/2007 |
| 7294149 | Orthopedic implant with angled pegs An orthopedic implant, such as a tibial tray, includes a body having a bone contacting surface with at least one and preferably two pegs extending from the bone contacting surface. Each of the pegs has a longitudinal axis angled with respect to the bone contacting s... | 11/13/2007 |
| 7261740 | Tibial knee prosthesis A knee prosthetic including a tibial component defining medial and lateral concavities shaped to receive medial and lateral femoral condyles of the femur. The concavities have first portions for contact with the condyles during normal knee flexion and second portion... | 08/28/2007 |
| 7258701 | Systems and methods for compartmental replacement in a knee A knee replacement system provides a knee implant that may be used to more accurately replicate the diameter of a natural knee. In one embodiment, a patellofemoral component is connected to the posterior portion of a condylar component by screws that pass through th... | 08/21/2007 |
| 7232465 | Knee prosthesis A knee prosthesis includes a femoral prosthetic part which forms a pair of condylar gliding surfaces, a tibial part that has tibial gliding surfaces cooperating with the condylar gliding surfaces and a coupling part that connects the femoral and tibial parts so that... | 06/19/2007 |
| 7160330 | Emulating natural knee kinematics in a knee prosthesis A knee prosthesis and method for emulating movements, during flexion, of a natural knee joint replaced by the knee prosthesis, by enabling engagement and relative movement between the femoral component and the tibial component of the knee prosthesis along arcuate tr... | 01/09/2007 |
| 7153310 | Vertebral bone distraction instruments An orthopedic device set includes a plurality of intervertebral spacer elements, an instrument for holding the spacer elements during the insertion and removal thereof into and out from between adjacent vertebral bones, and a tool which facilitates the loading and u... | 12/26/2006 |
| 7115131 | Apparatus and method for sculpting the surface of a joint The present invention provides a method and device for restoring individual patient joint kinematics using minimally invasive surgical procedures. The instrumentation of the invention sculpts the articular surface of a first bone that normally articulates in a prede... | 10/03/2006 |
| 7081137 | Knee prosthesis with extended range of motion In a knee prosthesis, the condylar surfaces of a femoral component engage corresponding articular surfaces of a tibial component along prescribed tracks of predetermined curvature which enable relative rotation between the femoral component and the tibial component ... | 07/25/2006 |
| 7022141 | Alignment device for modular implants and method An instrument (200) for at least one of replicating and measuring the angular orientation of a first component (54) of a prosthesis (51) to a second component (52) of the prosthesis (51) for use in joint arthroplasty. The instrumen... | 04/04/2006 |
| 6942475 | Disposable knee mold An orthopedic implant device and method is disclosed. Specifically, a knee mold system is disclosed, including elastic tibial and femoral molds, each of which may be configured and dimensioned as a unitary mold for in situ placement during a surgical procedure. Each... | 09/13/2005 |
| 6942700 | Instruments and methods for use in performing knee surgery A system and method for aligning a patient's leg, for establishing the ultimate alignment of the leg prior to making a horizontal femoral cut or a horizontal tibial cut, for preparing the distal femur for receiving a femoral implant, and for making the horizontal, f... | 09/13/2005 |
| 6923831 | Surgically implantable knee prosthesis having attachment apertures An implantable knee prosthesis for unicompartmental implantation into a knee joint includes a body having a substantially elliptical shape in plan and a pair of opposed faces. A peripheral face extends between the opposed faces and has first and second opposed sides... | 08/02/2005 |
| 6905514 | Custom replacement device for resurfacing a femur and method of making the same A replacement device for resurfacing a joint surface of a femur and a method of making and installing such a 5 device is provided. The custom replacement device is designed to substantially fit the trochlear groove surface, of an individual femur. Thereby creating a... | 06/14/2005 |
| 6902582 | Artificial joint particularly suitable for use as an endoprosthesis for a human knee joint An artificial joint (1) suitable for use as an endoprosthesis for a human knee joint, having a first joint compartment (2) formed by a first condyle (3) and a first socket (4) and a second joint compartment (5) formed by a second c... | 06/07/2005 |
| 6869447 | Prosthetic knee implant with modular augment A modular prosthetic knee implant system includes a femoral component, a femoral stem, a femoral stem collar, an augment and a bolt. The modular prosthetic knee system can be assembled in different ways. If assembled without the augment, the stem is at a valgus angl... | 03/22/2005 |
| 6846329 | Knee prosthesis A knee prosthesis comprises a femoral component, a tibial component and a bearing component therebetween. The femoral component defines medial and lateral condylar surfaces which are in the form of respective parts of a common helix, and the bearing component has re... | 01/25/2005 |
| 6793680 | Knee joint endoprosthesis A knee joint endoprosthesis is provided having a femoral part (1) that can be linked with a shank part to be anchored in the femur, the femoral part being provided with two runners (2, 3) interlinked ventrally via a bridge. A tibia plateau part (5 | 09/21/2004 |
| 6783551 | Method and apparatus for enabling access to an intramedullary canal of a femur through a femoral knee joint prosthesis A method and apparatus for enabling access to an intramedullary canal of a femur through a femoral knee joint prosthesis includes a first condylar portion and a second condylar portion. The first condylar portion has a first femoral bearing surface and the second co... | 08/31/2004 |
| 6770097 | Kit for a knee joint prosthesis A kit for a knee joint prosthesis includes a tibia part, a femur part and a meniscus part which is to be arranged between the femur part and the tibia part. The kit enables the assembly of different prosthesis types, namely of prostheses in which the meniscus part i... | 08/03/2004 |
| 6743258 | Knee prosthesis system A knee prosthesis system includes a single-piece tibia plateau with two sliding cavities, a single-piece femur component with two condylar sliding surfaces, the distances between and shapes of which are adapted to the tibial sliding cavities and a pair of unconnecte... | 06/01/2004 |
| 6730128 | Prosthetic knee joint The present invention is directed to prosthetic knee joints having femoral and tibial components. More particularly, in one embodiment the knee joint prosthesis of the present invention includes an auxiliary pair of load bearing surfaces in addition to other load be... | 05/04/2004 |
| 6699291 | Antero-postero-stabilized knee prosthesis A prosthesis, such as a knee prosthesis, for the lower limb including a femur prosthetic element having a block presenting a lug running into the trochlea and adjacent to a notch from which a convex bearing surface extends, and a tibia prosthetic element ... | 03/02/2004 |
| 6558427 | Knee implant A knee prosthesis has a medial condyle (1) and a lateral condyle (5), the running surfaces (2) of which and the counter-surfaces A, B of which that lie on a tibia platform (3) are sections of spherical surfaces with radii R1, R2, wit... | 05/06/2003 |
| 6540787 | Femoral component of a knee prosthetic including three curvature radii A femoral part of a knee prosthetic of the type known as comprising three compartments, including two condyles (2) and a trochlea surface part (3) wherein the femoral part is to be anchored to the distal extremity of a femur and the external surface of th... | 04/01/2003 |
| 6406497 | Artificial knee joint An artificial knee joint comprising: a femoral component comprising a femoral condylar portion made of a medial condylar section and a lateral condylar section which extend in an anteroposterior direction of the knee joint and have convex exterior surface... | 06/18/2002 |
| 6383222 | Knee hinge prosthesis with wear-resistant device for guiding the patellar components A knee-joint prosthesis comprising a tibial component fixed to the proximal tibia, a femoral component fixed to the distal femur, the femoral component having condylar bearing sections which cooperate in an articulated manner with tibial bearing sections ... | 05/07/2002 |
| 6364911 | Femoral sled prosthesis A femur slide has a patella shield and two convex curved condyle cups which are anteriorly rigidly joined by the patella shield. The two condyle cups and the patella shield define internally anterior and posterior matching surfaces which correspond with a... | 04/02/2002 |
