Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 8226728 | Insertion of vibration-damping elements in prosthetic systems for the manipulation and damping of natural frequencies A hip joint prosthesis with a shaft fastened on the shaft head of which there is a ball head which in turn is inserted in a rotatable manner in the spherical recess of a socket insert and the socket insert is coupled with a hip socket wherein the shaft can be implan... | 07/24/2012 |
| 7238204 | Shock-absorbing intervertebral implant The invention relates to an intervertebral implant comprising a spacer designed to be applied between two spinous processes of two vertebrae. The spacer comprises: two elements (10, 12) made of a first material, and each presenting a first end (10a,... | 07/03/2007 |
| 7214246 | Prosthesis with feature aligned to trabeculae A ball and socket joint prosthesis for use in arthroplasty is provided. The prosthesis includes a body for implantation at least partially within the medullary canal of a long bone. The long bone defines trabeculae in the proximal cancellous bone and lamellae in the... | 05/08/2007 |
| 7175666 | Modular implant with a micro-motion damper A modular implant is provided. The modular implant includes a first orthopaedic component, a second orthopaedic component coupled to the first orthopaedic component, and a micro-motion damper interposed between the first orthopaedic component and the second orthopae... | 02/13/2007 |
| 7070623 | Method of surface oxidizing zirconium and zirconium alloys and resulting product A coating of blue-black or black oxidized zirconium of uniform and controlled thickness on a zirconium or zirconium alloy material is accomplished through the use of a single phase crystalline material substrate having an altered surface roughness. An oxidized zirco... | 07/04/2006 |
| 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 |
| 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 |
| 6942701 | Prosthesis The invention provides an acetabular prosthesis comprising an outer portion having a substantally concave inner surface and a substantially convex outer surface. An inner portion within and spaced from the outer portion and having a substantially concave inner surfa... | 09/13/2005 |
| 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 |
| 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 |
| 6802866 | Hip joint prosthesis with abutment-protected prosthesis shaft A hip joint prosthesis has an external metal shell, an internal socket insert in which a ball head can rotate. The ball head is joined to a metal prosthesis shaft of the femoral shaft component and the movement of the prosthesis shaft is limited by abutting against ... | 10/12/2004 |
| 5549693 | Cotyloidal prostheses A prosthesis has a ceramic part to cooperate with a spherical head. This ceramic part is a ring whose inside surface is part of a sphere. The prosthesis is suitable for coxofemoral joints.... | 08/27/1996 |
| 5549700 | Segmented prosthetic articulation A ball and socket prosthetic joint device. A plurality of curved rigid segments are embedded within and extend out of a polymeric cushion to form a discontinuous hemispherical bearing surface for slidable engagement with a continuous hemispherical bearing... | 08/27/1996 |
| 5549697 | Hip joint prostheses and methods for manufacturing the same An implantable bone prosthesis, such as an acetabular shell, includes a bone engaging region that is made from a cast metal or metal alloy and an articulation surface that is formed of a ceramic material or a metal that is permanently attached to the meta... | 08/27/1996 |
| 5181926 | Bone implant having relatively slidable members The implant is made of two members which are relatively movable relative to each other. One member is made of hard material while the second member is made of a soft material. In addition, a plurality of support members of hard material are embedded in th... | 01/26/1993 |
| 5108447 | Artificial acetabulum An artificial acetabulum has a thin metallic outer shell and a relatively thick metallic inner shell which is secured to the outer shell via a damping ring located at the peripheral edges of the shells. The outer shell has a thickness of less than one-fif... | 04/28/1992 |
| 5080678 | Artificial acetabulum An artificial acetabulum is made with a metal inner shell, a thin outer shell which defines a cavity with the inner shell and an elastic force-transmitting member between the two shells to damp forces imposed on the shells. In addition, a metal gauze laye... | 01/14/1992 |
| 4840631 | Artificial hip joint socket with hydraulic head support A liquid chamber (3) arranged in the bottom of the socket cavity (2) is latitudinally sealed by the engaging ball head (4) of the femoral prosthesis shaft. The ball head (4) of the hip joint prosthesis is supported hydrostatically by the liquid chamber (3... | 06/20/1989 |
| 4822369 | Bone joint prosthesis An improved bone joint prosthesis, particularly a whole hip or shoulder prosthesis, provides long life and prevents dislocation. The cotyle has a resilient, shock absorptive layer sandwiched between inner and outer hemispheric elements. The inner element ... | 04/18/1989 |
| 4813961 | Dampener for a bearing arthro-prothesis Dampener for a bearing arthro-prosthesis made up of a cradle (1) with a base zone of spherical shape to be interposed between the presser, head (3,2) and the cotyle (4) of the prosthesis, which has stepped cross-section, in the meridian plane, with a thin... | 03/21/1989 |
| 4778474 | Acetabular prosthesis An improved acetabular prosthesis (14) is disclosed for use with a femoral head prosthesis (12). The acetabular prosthesis (14) comprises a cup (28) having, in use, sufficient strength to maintain its shape. The exterior surface of the cup (28) is substan... | 10/18/1988 |
| 4159544 | Hip joint prosthesis A hip joint prosthesis including a cup-shaped socket member for being implanted in an acetabular opening, and a ball-shaped member having a shaft attached thereto for being implanted in a femoral opening, wherein after implantation of the socket and ball ... | 07/03/1979 |
