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| Number | Title | Issue Date |
| 8075629 | Orthopaedic prosthesis having a seating indicator An orthopaedic prosthesis includes a curved outer surface configured to abut a patient's bone when the orthopaedic prosthesis is implanted therein. The outer surface may or may not be electrically conductive. A channel is defined in the outer surface and extends fro... | 12/13/2011 |
| 8048166 | Method and apparatus for constructing a modular acetabulum A prosthetic system for replacement of a portion of a hip bone including a plurality of acetabular components and a plurality of flange components. The prosthetic system also includes a plurality of pubis components. Each of the pubis components and each of the flan... | 11/01/2011 |
| 7794504 | Method for making a metal-backed acetabular implant A metal-backed acetabular implant and a method of forming the same. ... | 09/14/2010 |
| 7780740 | Methods, systems, and apparatus for implanting prosthetic devices into cartilage A method of implanting a prosthetic acetabular cup into a patient is disclosed. The method comprises gaining access to an acetabulum of the patient, where the acetabulum includes an inner portion formed of bone and an outer portion formed of articular cartilage. The... | 08/24/2010 |
| 7695521 | Hip prosthesis with monoblock ceramic acetabular cup An improved hip prosthesis includes an acetabular cup bearing component constructed from a relatively hard and high strength ceramic material for articulation with a ball-shaped femoral head component which may be constructed from a compatible ceramic or metal mater... | 04/13/2010 |
| 7578851 | Gradient porous implant An implantable medical device includes a porous metal foam or foam-like structure having pores defined by metal struts or webs wherein the porous structure has directionally controlled pore characteristics. The pore characteristics controlled include one or more of ... | 08/25/2009 |
| 7431874 | Methods for making oxidation resistant polymeric material The present invention relates to methods for making oxidation resistant medical devices that comprise polymeric materials, for example, ultra-high molecular weight polyethylene (UHMWPE). The invention also provides methods of making antioxidant-doped medical implant... | 10/07/2008 |
| 7381752 | Selective, controlled manipulation of polymers The present invention provides partial and complete shielding approaches to alter the cross-linking characteristics of irradiated polymers, such as polyethylene. Irradiated polymers and fabricated articles, such as medical prosteses, comprising irradiated polymers a... | 06/03/2008 |
| 7371261 | Acetabular component of total hip replacement assembly A device for use in surgical procedures involving arthroplasty, the device including a bearing member at least partially receivable within a bone engaging member and a liner positioned at least partially between said bearing member and said bone engaging member.... | 05/13/2008 |
| 7344565 | Acetabular component insertion and extraction tool for use therewith, and method of locking an acetabular component to an insertion and extraction tool An acetabular component comprises a thin-walled, partial spherical body having an inner surface defining an articular surface and having angled recesses along an outer surface of the body for releasable engagement with an insertion and extraction tool. An insertion ... | 03/18/2008 |
| 7341593 | Prosthetic acetabular cup inserter An acetabular cup shell inserter has a first end with a handle and a wire coupling element. The inserter has a shell insertion end opposite the first end having a radial expandable element for contacting an inner surface of the acetabular cup shell. A tubular portio... | 03/11/2008 |
| 7335204 | Osteosynthesis plate for the upper end of the arm bone An osteosynthesis plate designed for osteosynthesis of displaced fracture of the upper end of the arm bone includes a T-shaped main body (2) whereof the longitudinal branch (3) and the transverse branch (4) are respectively perforated with holes... | 02/26/2008 |
| 7335231 | Containment system for constraining a prosthetic component Methods, systems and devices for preventing prosthetic articulating surfaces from separating from each other. A containment system according to one embodiment seeks to prevent an implant stem head from dislocating from a prosthetic component while providing an incre... | 02/26/2008 |
| 7301259 | Vibration type driving apparatus A vibration type driving apparatus capable of inhibiting wear in an elastic member and a contact member is provided. The vibration type driving apparatus is a vibration type driving apparatus relatively driving an elastic member given vibrations by an electric-mecha... | 11/27/2007 |
| 7247158 | Acetabular impactor An improved acetabular impactor, especially suitable for use in minimally invasive hip surgeries, is disclosed. The impactor is simple in design and operation and spatially optimized. In particular, the impactor is designed to remotely detach the acetabular shell fr... | 07/24/2007 |
| 7241315 | Femoral head resurfacing apparatus and methods A femoral head resurfacing apparatus includes a cap of hemispherical shape and stabilization structure (e.g., one or more non-shear fixation bars) that inserts into slots cut into the femoral head, so that the cap remains substantially immovable other than due north... | 07/10/2007 |
| 7235077 | Bone fixation device and method An apparatus and method of reducing and fixating bone fragments during osteosynthesis is disclosed. An internal fixation plate has first and second arms forming an acute angle. Attachment locations adapted to secure the plate to bone are located at distal portions o... | 06/26/2007 |
| 7186364 | Composite prosthetic bearing constructed of polyethylene and an ethylene-acrylate copolymer and method for making the same An implantable prosthetic bearing is constructed of a composite material having a first layer and second layer. The first layer has an articulating surface defined therein, whereas the second layer has a engaging surface defined therein for engaging either another p... | 03/06/2007 |
| 7172593 | Non-metallic implant devices and intra-operative methods for assembly and fixation This invention relates to orthopedic implants and to methods of treating bone defects. More specifically, but not exclusively, the present invention is directed to non-metallic implants and to methods for intra-operative assembly and fixation of orthopedic implants ... | 02/06/2007 |
| 7169186 | Monopolar constrained acetabular component The present invention provides monopolar acetabular liners that can enclose a femoral head to form a hip replacement prosthesis, wherein the liner has a rim that creates an orifice, wherein the orifice has a diameter that is smaller than the diameter of the femoral ... | 01/30/2007 |
| 7169185 | Canine acetabular cup A plurality of canine acetabular cups designed to fit within different sized spherical reamed bone cavities to produce controlled interference without use of cements, screws or nails. Each of the canine acetabular cups, regardless of size, mates with a common femora... | 01/30/2007 |
| 7166650 | High modulus crosslinked polyethylene with reduced residual free radical concentration prepared below the melt The present invention provides an irradiated crosslinked polyethylene containing reduced free radicals, preferably containing substantially no residual free radical. Disclosed is a process of making irradiated crosslinked polyethylene by irradiating the polyethylene... | 01/23/2007 |
| 7108720 | Reduced wear orthopaedic implant apparatus and method A prosthetic implant includes first, second and third components. The first component is configured to be disposed within the acetabulum. The second component is in a load bearing relationship with the first component, and is operable to rotate in a first axis of ro... | 09/19/2006 |
| 7074241 | Variable geometry rim surface acetabular shell liner An acetabular shell liner having a variable rim surface geometry, which improves range of motion of the femoral component within the liner and decreases the incidence of dislocation and subluxation, and methods of making and using the acetabular shell liner. Prosthe... | 07/11/2006 |
| 7051417 | Method for forming an orthopedic implant surface configuration The present invention is a specialized orthopedic implant having an exterior surface for engaging bone. The surface comprises arrayed projections having at least one forward facing facet directed at least in part toward the leading end of the implant and at least on... | 05/30/2006 |
| 7044974 | Hip prosthesis with a modular acetabular cup assembly An acetabular cup assembly includes a shell component, a liner component, and means for retaining the liner in the shell including a spherical profile thread spiraling around a portion of each of the shell and liner. ... | 05/16/2006 |
| 7004946 | Acetabular cup impactor An acetabular cup impactor particularly suited for minimally invasive surgical procedures includes a handle, a shaft assembly and a coupler connectable to an acetabular cup. The shaft assembly includes a hollow outer shaft and a flexible drive shaft disposed in the ... | 02/28/2006 |
| 6976999 | Prosthetic device and method of making the same A method of making a non-modular prosthetic device for a joint arthroplasty. The method comprises molding a polymer interlayer between a porous metal structure and a polymer insert, wherein the insert generally comprises conventional or cross-linked ultra high molec... | 12/20/2005 |
| 6974625 | Oxidized zirconium on a porous structure for bone implant use A composition, a medical implant constructed from the composition, and a method of making the composition are described. The composition is a composite material, comprising a porous, reticulated, open cell network having at least part of its surface coated with blue... | 12/13/2005 |
| 6972021 | Handling device for acetabular bearing liner A handling device to hold a bearing liner which is to be introduced into the socket of an acetabular cup has a support provided with an alignment element on the acetabular cup and having an opening which has a deformable rim adapted to receive the outer circumferenc... | 12/06/2005 |
| 6944518 | Customized prosthesis and method of designing and manufacturing a customized prosthesis by utilizing computed tomography data A method of making an acetabular prosthesis includes acquiring a first set of data defining in three dimensions at least a portion of a bone of a patient. A second set of data is computed based upon the first set of data. The prosthesis is manufactured to include an... | 09/13/2005 |
| 6908486 | Modular acetabular anti-protrusio cage and porous ingrowth cup combination A modular acetabular anti-protrusio cage and acetabular cup combination includes an acetabular cup having a bone ingrowth-promoting surface and a shaped anti-protrusio cage having one or more fixation flanges. The acetabular cup is attached to acetabular bone, and t... | 06/21/2005 |
| 6875237 | Driving instrument with variably angled joint and extended tip and method of use for minimally invasive hip surgery A method and apparatus for performing minimally invasive hip surgery for implanting a prosthetic acetabular component into a natural acetabulum. The method and apparatus include a driving instrument and driving guide for aligning and driving bone screws and screw-ho... | 04/05/2005 |
| 6866685 | Prosthetic joints having reduced area bearing surfaces and application thereof to a range of sizes of prosthetic joints A prosthetic component is configured to have intentional interruptions in an articulating face thereof. The intentional interruptions are configured to yield an optimum contact area or bearing surface, particularly with regard to low wear and greater lubricity throu... | 03/15/2005 |
| 6840959 | Pelvic prosthesis plus methods and tools for implantation A pelvic prosthesis includes a ball socket and two substantially parallel fanned wings extending upward from the socket. A stabilizing hump is located directly above the socket and extends between and substantially perpendicular to the fanned wings. Each wing is pro... | 01/11/2005 |
| 6818020 | Non-oxidizing polymeric medical implant A medical implant made of polymeric material having an increased oxidation resistance is formed by a method including the steps of placing a resin powder in a sealed container. A substantial portion of the oxygen is removed from the sealed contained by either a vacu... | 11/16/2004 |
| 6800670 | Crosslinking of polyethylene for low wear using radiation and thermal treatments The present invention discloses methods for enhancing the wear-resistance of polymers, the resulting polymers, and in vivo implants made from such polymers. One aspect of this invention presents a method whereby a polymer is irradiated, preferably with gamma radiati... | 10/05/2004 |
| 6786933 | Radiation and melt treated ultra high molecular weight polyethylene prosthetic devices A medical prosthesis for use within a body which is formed of radiation treated ultra high molecular weight polyethylene having substantially no detectable free radial. Preferred prosthesis exhibits reduced production of particles from the prosthesis during wear of ... | 09/07/2004 |
| 6761741 | Prosthetic joint A prefabricated joint is employed for the prosthetic joint. The joint includes prefabricated socket, ball, and capsule. The capsule is attached from the ball to the socket. The capsule seals the area between the ball and socket and prevents wear debris from entering... | 07/13/2004 |
| 6758864 | Cementless prosthetic bearing element The present invention is intended to provide a cementless prosthetic bearing element which has been molded and which is possible to place in an acetabular socket without cement, the outer surface of the backing being provided with elements to assist stabilization an... | 07/06/2004 |
