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Match Document Document Title
7361194 Metallic bearings for joint replacement  
An orthopedic joint prosthesis comprising a first component having a soft metal bearing surface and a second component having a hard metal bearing surface. The soft metal bearing surface has a...
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...
7217425 Autologous coatings for implants  
A hydrocephalus shunt having an anti-inflammatory coating applied to at least the outside surface of the ventricular catheter. Such coatings are also applicable to other medical devices or implants.
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...
6881229 Metal-ceramic composite articulation  
A ceramic-metal composite articulation is provided with substantial elimination of wear debris, wherein a ceramic material is provided with superior mechanical properties tailored for articulating...
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...
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...
6793681 Prosthetic hip joint having a polycrystalline diamond articulation surface and a plurality of substrate layers  
Prosthetic joints, components for prosthetic joints, superhard bearing and articulation surfaces, diamond bearing and articulation surfaces, substrate surface topographical features, materials for...
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...
6726725 Prosthetic devices employing contacting oxidized zirconium surfaces  
Orthopedic implants comprising components of zirconium or zirconium-based alloys having surfaces coated with oxidized zirconium contacting other surface-coated oxidized zirconium are disclosed....
6652590 Cementless total replacement of the human hip joint  
The solution is based on the fact, that on the surface of the acetabulum ( 3 ) there is a self-drilling thread, containing at least three independent teeth ( 41, 42 and 43 ) which advantageously...
6520995 Endoprosthetic bone joint devices  
An endoprosthetic acetabular component of overall cup form is improved by the provision of an outer part ( 100; 300; 500 ) for securement to bone and a plurality of inner parts ( 200; 400; 600 )...
6503281 Total hip replacement  
A hip assembly and method are described in which a femoral head cap component secured to the femur with at least one screw is engaged with an acetabulum shell component affixed to the acetabulum...
6482237 Total hip prosthesis adapted to be implanted endo-articularly and its auxiliary device and method of implantation  
A total hip prosthesis comprises a cotyloid implant consisting of a metal cup to be anchored in the acetabulum, a polyethylene insert which provides an intermediate implant inserted into the cavity...
6447550 Method of surface oxidizing zirconium alloys and resulting product  
An oxide coating is formed on zirconium or zirconium alloys of refined microstructure by a process comprising at least the step of inducing an appropriate altered surface roughness such that...
6425921 Sliding partners for artificial joint implants  
Pairs of partner elements for artificial joint implants have two-dimensional surface contact in which one joint part ( 1 ) rotates, rolls, slides or combines these in one movement relative to...
6413280 Hip joint prosthesis  
A hip joint prosthesis comprising a femoral stem, adapted for implant into the medullary canal of a human leg femur, said stem having a superior neck portion whose longitudinal axis is arcuate,...
6379389 Artificial hip joint socket  
A hip-joint socket having an outer shell ( 1 ) with a central axis ( 7 ) that is to be anchored in the hip bone. The outer shell is detachably mounted, in a geometrically locking manner, on a...
6361566 Hip prosthesis  
There is disclosed a hip prosthesis to replace a damaged hip-joint. The hip prosthesis is intended to be disposed at one end thereof into a cup-shaped cavity of an acetabulum and at the other end...
6290726 Prosthetic hip joint having sintered polycrystalline diamond compact articulation surfaces  
Prosthetic joints, components for prosthetic joints, superhard bearing and articulation surfaces, diamond bearing and articulation surfaces, substrate surface topographical features, materials for...
6248132 Hip replacement prosthesis  
A hip joint prosthesis including a stem assembly attached to the femur and having a generally spherical head and a cup assembly having an outer casing received within the hip socket. The cup...
6245111 Method and apparatus for fighting infection and maintaining joint spacing in a prosthesis implant area  
The present invention relates to a prosthetic device for placement in an implant area of the body. The prosthetic device comprises an elongated stem portion, a neck portion, and a head portion....
6231611 Total hip prosthesis for endo-articular implantation, and ancillary device therefor  
A total hip prothesis comprises a cotyloid implant consisting of a metal cup to be anchored in the acetabulum, a polyethylene insert which provides an intermediate implant inserted into the cavity...
6132468 Arthroscopic replacement of cartilage using flexible inflatable envelopes  
A flexible "scaffold" envelope is disclosed which can be used to replace damaged cartilage in knees, shoulders, or other joints of a mammalian body. Designed for use in arthroscopic surgery, the...
6129765 Locking mechanism for acetabular cup  
An implantable orthopedic prosthesis is provided that includes a shell having a substantially concave inner surface defining a cavity and a substantially annular groove formed therein. The...
6126695 Artificial joint, particularly an artificial hip joint  
6120545 Joint prosthesis having ceramic abrasion layer  
The invention relates to a joint prosthesis comprising two metal parts which are movable with respect to one another. The surfaces of the metal parts are covered with an abrasion layer of ceramic...
6010533 Prosthetic joint with diamond coated interfaces  
A prosthetic joint with polycrystalline diamond compact coated interfaces and a method for making the same are disclosed. The prosthetic joint has a diamond layer formed on at least one of the...
5935171 Apparatus for, and method of, detecting dislocations and material wear in hip replacements  
In a total hip replacement, a stem of a femoral component is disposed in a patient's thigh bone with a ball extending in such femoral component above the stem. The ball is disposed in a...
5916270 Hip replacement  
A hip replacement for reducing the likelihood of joint dislocation and including a femoral component having a head and an elongated neck and an acetabular cup formed with a socket to capture the...
5904720 Hip joint prosthesis  
A joint prosthesis having two mutually articulating components that are made of a metal alloy. One of the components is made of an alloy having a low carbon content (0.03 to 0.10 wt. %) and the...
5879406 Artificial joint bioprosthesis for mitigation of wear  
This invention relates to an acetabular cup having a substantially hemispherical ceramic concave surface comprising at least one debris reservoir thereon having a width of between 0.010 mm and 2...
5871547 Hip joint prosthesis having a zirconia head and a ceramic cup  
This invention relates to a biojoint prosthesis comprising: a) a prosthetic comprising a first component having an outer surface comprising at least 90 mol% zirconia, and b) a second...
5800556 Adjustable bipolar-unipolar adaptor for a head trial  
An adaptor is provided to convert a bipolar shell trial to and from a unipolar head trial adaptor. A preferred embodiment provides a spring-loaded, snap-in adaptor and a neck length adjusting...
5725597 Artificial hip-joint  
An artificial hip-joint having a construction capable of reducing abrasion of a polyethylene layer formed within the acetabulum cup when the head of the femur pivots in the acetabulum cup. The...
5370698 Isoelastic implants with improved anchorage means  
Isoelastic implants are provided with a surface roughness for anchorage in and load transmission to the surrounding tissue. The surface roughness is formed of one or more of the structures...
5180394 Zirconium oxide and nitride coated prosthesis for wear and corrosion resistance  
Orthopedic implants of zirconium or zirconium-based alloy coated with blue or blue-black zirconium oxide or zirconium nitride to provide low friction, highly wear resistant coatings especially...
5133763 Joint prosthesis  
A joint prosthesis and a joint prosthesis organ comprising a cup-shaped element having two parts. One part (1) is a ring which may be connected to the cup-shaped second part (2) with use of...
5037438 Zirconium oxide coated prosthesis for wear and corrosion resistance  
Orthopedic implants of zirconium or zirconium-based alloy coated with zirconium oxide to provide low friction, highly wear resistant coatings especially useful in artificial joints, such as hip...
4911723 Artificial hip joint  
The invention relates to an artificial hip joint, in which the surfaces of both the socket and the ball of the joint are in the form of rotational bodies (rotational surfaces) deviating from the...
4846840 Joint prosthesis  
The joint prosthesis according to the invention is characterized in that it comprises two substantially concentric convex opposite surface portions (1, 2). Preferably the convex surface portions...
4318191 Compliant head femoral endoprosthesis  
An endoprosthesis is provided which includes a femoral head construction having a compliant metal shell attached thereto. The shell fits into the acetabulum of the hip joint and is spaced apart...
3996625 Artificial hip joint with novel stem  
An artificial hip joint including an acetabulum prosthesis for the cotyloid cavity defining a socket and having a plurality of outwardly extending blades for engaging the prepared wall of the...
3974527 Artificial hip-joint for arthroplasty  
An artificial hip-joint for arthroplasty comprising a first endoprosthesis of the acetabulum of a patient, coupled to a second endoprosthesis of the proximal portion of the femur rigidly connected...
3938198 Hip joint prosthesis  
A prosthesis for replacement of a damaged joint or load-bearing structure in an animal or human body comprises a shaped structural member, a relatively thick or cushioning coating of a...
3922726 Joint prosthesis  
A hip joint prosthesis which comprises a cup member for placement in the acetabulum and configurated externally after a substantially spherical surface and internally to form a cavity for snap...
3871031 TOTAL HIP PROSTHETIC APPARATUS MADE OF NON-POROUS ALUMINA  
A prosthetic apparatus designed to replace a natural articulation between bones including a first hemispherical piece having a plurality of discontinuities on the outer convex surface thereof for...
3818512 ARTIFICIAL HIP-JOINT WITH DETACHABLE INSERT  
An artificial hip-joint, wherein an endoprosthesis of the patient's acetabulum is hinged to an endoprosthesis of the proximal end of the patient's femur by way of an insertion piece. The height of...
3685058 HIP PROSTHESIS  
In a hip prosthesis, a socket is supported on a nail protruding from the back of the socket and adapted to enter the acetabulum. The socket axis is disposed off center with respect to the axis of...
3512184 HIP PROSTHESIS  
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