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| Number | Title | Issue Date |
| 8177851 | Prosthetic liner for an acetabular prosthesis A prosthetic liner includes a convex exterior surface, a concave interior surface and a rim portion connecting the interior surface and the exterior surface. The liner includes a plurality of recesses and a plurality of fingers. Each of the plurality of recesses is ... | 05/15/2012 |
| 8123815 | Multiple bearing acetabular prosthesis A prosthesis to replace a portion of the anatomy, such as the acetabulum, can include a first portion. A second prosthesis portion can be positioned relative to the shell to provide the bearing surface to articulate with a femoral head prosthesis or femoral head. Th... | 02/28/2012 |
| 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 |
| 7766971 | Constrained liner locking ring and polyethylene liner congruency feature One embodiment of the present invention relates to a prosthesis, comprising: an acetabular cup, wherein the cup has an open end and a closed end, wherein the open end of the cup is defined by a rim and wherein the rim has an outer facing surface; at least one cavity... | 08/03/2010 |
| 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 |
| 7326253 | Prosthetic cup assembly having increased assembly congruency A prosthetic component assembly, such as an acetabular cup, includes a shell and a bearing insert or liner. The shell and bearing insert are configured to provide an increased congruency between the shell and the bearing insert thereby decreasing the amount of motio... | 02/05/2008 |
| 7294150 | Liner for acetabular cup An artificial hip joint is provided featuring a liner with a deforming seal which quickly and easily seals a top bore in an acetabular cup of the artificial hip joint, such as to prevent the passage of fluid, wear debris or other material through the top bore in the... | 11/13/2007 |
| 7179296 | Partially constrained ball and socket A provisional prosthesis used during trial fitting of a bipolar or unipolar joint prosthesis such as a hip acetabular component. The provisional prostheses include an outer provisional shell component having an interior part-spherical surface having an open end with... | 02/20/2007 |
| 7179297 | Combined bipolar and unipolar trials The present invention is directed to a set of trial prosthesis instrumentation for use in trial fitting of a medical implant such as a femoral hip prosthesis. The two piece set provides a combined bipolar and unipolar trial prosthesis instrumentation and comprises a... | 02/20/2007 |
| 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 |
| 7160332 | Line assembly for prosthetic components Methods, systems and devices related to prosthetic implants, including a device for preventing prosthetic components from separating from each other, and more specifically to an assembly for adapting a prosthetic component to receive a device for preventing an impla... | 01/09/2007 |
| 7115145 | Acetabular component An acetabular prosthesis generally consists of an acetabular component and an acetabular shell. The acetabular component includes an acetabular articulating component and an acetabular constraining component. The articulating component has a hemispherical or dome sh... | 10/03/2006 |
| 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 |
| 7022142 | Constrained acetabular liner A prosthetic acetabular component for a hip joint that is inserted into a bone cavity of the natural acetabulum. The acetabular component consists of an articulating component and a constraining component. The articulating component has a hemispherical or dome shape... | 04/04/2006 |
| 6986792 | Prostheses Bipolar prostheses which include various structures and other techniques for optimizing material wear and mechanical strength properties. Such prostheses feature, for example, improved resistance to polyethylene wear while also reducing potential for dislocation of ... | 01/17/2006 |
| 6966932 | Composite acetabular component Composite acetabular components, and methods of making and using same, are described. The composites consist of a ceramic liner having a backing of plastic material, such as but not limited to ultra high molecular weight polyethylene (UHMWPE), molded around the cera... | 11/22/2005 |
| 6962607 | Joint replacement prosthesis component with non linear insert According to one embodiment of the present invention, there is provided a joint prosthesis (10) having a first component (12) for cooperation with a first long bone (14) and a second component (16) for cooperation with a second long bone ... | 11/08/2005 |
| 6926740 | Modular orthopaedic implant apparatus and method A trial implant kit includes a plurality of intermediate components and a plurality of inner components. Each of the plurality of intermediate components has a uniform inner surface, although at least two of the plurality of intermediate components having distinct o... | 08/09/2005 |
| 6923833 | Biologically reabsorbable acetabular constraining components and materials for use with a hip replacement prosthesis and bioreabsorbable materials to augment hip replacement stability and function A prosthetic constraining device for use with a hip replacement prosthesis that includes an acetabular cup assembly adapted to be bonded to a patient's pelvis and a femoral stem adapted to be bonded to the patient's femur, where the femoral stem includes a ball comp... | 08/02/2005 |
| 6916342 | Liner assembly for prosthetic components Methods, systems and devices related to prosthetic implants, including a device for preventing prosthetic components from separating from each other, and more specifically to an assembly for adapting a prosthetic component to receive a device for preventing an impla... | 07/12/2005 |
| 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 |
| 6589284 | Modular socket for a ball joint prosthesis Conventional modular sockets for ball joint prostheses usually consist of a metal socket housing and a skid-type shell inserted in the housing. Ceramic skid-type shells are usually press-fitted in the socket housing. The socket housing may become stiff, t... | 07/08/2003 |
| 6093208 | Antiluxation hip prosthesis An antiluxation hip prosthesis (1) has: a hollow ring nut (2) which can be secured to the pelvis and delimits a receiving seat (2a); a cotyloid cavity or acetabular insert (3) which can be accommodated in the receiving seat and delimits a substantially he... | 07/25/2000 |
| 5989293 | Acetabular cup kit for use during hip replacement surgery An acetabular cup kit for use during hip replacement surgery includes a polar component with a socket for receiving a femoral head of a femoral prosthesis. A metal shell has a cavity which is configured for receiving the polar component therein. The metal... | 11/23/1999 |
| 5824108 | Bipolar acetabular cup An acetabular cup assembly for use with a femoral implant. The cup assembly includes an outer shell, a bearing liner configured to fit into a cavity in the shell, a generally annular retaining ring and a locking ring configured to hold the retaining ring ... | 10/20/1998 |
| 5800555 | Acetabular cup bearing liner A bearing liner component for a ball-and-socket joint prosthesis is described. The bearing component comprises a bearing liner and locking component. The bearing liner is formed with a rim that defines an opening to a concave bearing surface that describe... | 09/01/1998 |
| 5725589 | Tapered hip-joint socket without taper lock Disclosed is a hip-joint socket for insertion into bone tissue. The hip-joint socket has an outer metal shell and an inner antifriction shell, the contact surface of the antifriction shell in the metal shell being conical in shape. The antifriction liner ... | 03/10/1998 |
| 5725591 | Acetabular bearing system An acetabular cup system is provided in which an insert or liner may be selected from a plurality of types of inserts to be used with an acetabular shell. One insert may be oriented after it is removably inserted into the acetabular shell. After an orient... | 03/10/1998 |
| 5658348 | Acetabular implant with threaded liner and locking ring The acetabular implant of the invention includes a shell having a threaded polar hole with a liner having a threaded polar protrusion extending therefrom for threadable accommodation within the threaded polar hole. Further, the implant includes a locking ... | 08/19/1997 |
| 5639280 | Constraining ring for a hip cup The hip cup of this invention includes a porous metal outer shell, preferably formed from fiber metal, and a compression molded polyethylene component defining an articulating surface at its center for contact with a prosthetic femoral head. The porous ou... | 06/17/1997 |
| 5507826 | Prosthesis with shape memory locking element The present invention is a prosthesis (10) for replacing a body part which includes a first element (16) adapted to receive at least a portion of a second element (18) in an operative manner. The present prosthesis (10) also includes a variable locking ri... | 04/16/1996 |
| 5425778 | Acetabular socket supporting ring The actabular socket supporting ring has a modular construction and is formed of a supporting ring having two securing straps for a cement-free attachment in and on the corresponding bone portions, of a socket cup which is pivotably adjustable in the supp... | 06/20/1995 |
| 5383938 | Locking ring for an acetabular cup The metal lock ring of the invention has an oblong exterior periphery which allows the ring to have a small "width" and a larger "height." The small "width" provides a strong locking mechanism on the poly liner and the larger "height" allows the ring to r... | 01/24/1995 |
| 5314491 | Prosthetic socket implant An improved socket for use in ball-and-socket joints, the socket including an outer shell and an inner low-friction bearing insert for mateable engagement with the head or ball-end of an associated component. The socket is suitable for prosthetic as well ... | 05/24/1994 |
| 5263988 | Bipolar endoprosthesis A bipolar endoprosthesis assembly which provides for a wide-range of motion between a bone and a socket (e.g., a femur and an acetabular socket), comprising a metal outer shell element, a ultra-high molecular weight, low-friction insert formed to fit with... | 11/23/1993 |
| 5108445 | Prosthetic bearing assembly A prosthetic acetabular cup 100 includes a fixation element 102 for introduction into the acetabulum. The fixation element 102 has a concave inner surface with a generally circular base formed in a plane generally perpendicular to the central longitudinal... | 04/28/1992 |
| 5019105 | Acetabular cup prosthesis assembly An acetabular cup prosthesis assembly has an outer shell, a bearing insert, a locking collar, and a locking ring. The bearing insert is retained within the outer shell, which has a generally smooth, hemispherical outer surface. The bearing insert is adapt... | 05/28/1991 |
| 4919674 | Hip cup for a hip joint acetabular prosthesis Presented is a hip cup for a hip joint acetabular prosthesis that includes a metallic outer cup and a cup body made of plastic inside the outer cup. To guarantee a movement- and deformation-free attachment of the cup body, the cup body is enclosed in tigh... | 04/24/1990 |
| 4871368 | Artifical acetabulum The artifical acetabulum is formed of an outer metal shell having an annular shoulder, an acetabular body having an annular flange seated on the shoulder and a threaded ring threaded into the shell in order to clamp the flange of the acetabular body again... | 10/03/1989 |
| 4784663 | Acetabular cup assembly A three-component acetabular cup assembly for receiving and releasably retaining the femoral head component of a prosthesis, said cup assembly comprising an outer metal shell, a cup-shaped inner bearing of substantially rigid plastic fixedly secured withi... | 11/15/1988 |
