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Class 623/23.4 - Ball and socket joint


Subclass of Class 623 - Prosthesis (i.e., artificial body members), parts thereof, or aids and accessories therefor
Definition: Subject matter wherein the artificial joint bones includes
No. of patents: 27
Last issue date: 03/27/2012


NumberTitleIssue Date
8142512Instrument for use in a joint replacement procedure
An instrument for use in a joint replacement procedure comprises a head part which corresponds to the head of an orthopaedic joint component, in which the head part has a bore formed in it, and a connector for connecting the head part to a stem part of the orthopaed...
03/27/2012
8070823Prosthetic ball-and-socket joint
A prosthetic joint includes: (a) first member having a balanced centroidal axis, and comprising a rigid material and a concave interior defining a cup surface, the cup surface including: (i) a cantilevered first flange defining a wear-resistant protruding first cont...
12/06/2011
7985262Aspheric hip bearing couple
A joint prosthesis device comprises a head configured to fit within a cup and in one embodiment includes a first member for attachment to a first bone in a joint and including a first articulation surface portion defined by a first radius of curvature and a second m...
07/26/2011
7226484Tear resistant gels and articles for every uses
Soft, tear resistant gel, gel composites and gel articles for various uses formed from one or a mixture of two or more block copolymers with or without one or more selected other polymers and additives in combination with one or more selected plasticizers being in s...
06/05/2007
7189262Bimetal tibial component construct for knee joint prosthesis
A prosthetic tibial component for a prosthetic total knee joint includes two constructs, one being a metal base that engages a bone and the other being a polyethylene bearing that attaches to the metal base and articulates with a femoral prosthetic component on a op...
03/13/2007
7179296Partially 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
6953478Shoulder prosthesis assembly
The invention concerns a shoulder prosthesis assembly comprising a meta-glenoid element (7) formed by a plate (13) provided with a central tubular block (14) an anchoring members in the glenoid cavity (3), and a glenoid sphere (9) ...
10/11/2005
6881229Metal-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 with ceramic articulations having high flexural strength (greater tha...
04/19/2005
6800095Diamond-surfaced femoral head for use in a prosthetic joint
Prosthetic joints, components for prosthetic joints, superhard bearing and articulation surfaces, diamond bearing and articulation surfaces, substrate surface topographical features, materials for making joints, bearing and articulation surfaces, and methods for man...
10/05/2004
6761740Glenoid component of a shoulder prosthesis and complete shoulder prosthesis incorporating such a component
A shoulder prosthesis glenoid component which includes a base adapted to be immobilized on a glenoid cavity of a shoulder, and an element including a convex articulation surface adapted to cooperate with a humeral component of the prosthesis. The element is selectiv...
07/13/2004
6736851Modular shoulder prosthesis
A shoulder prosthesis and/or prosthesis sizing system, especially for treatment of degenerative arthritis or trauma, has an articulating head component. The shoulder prosthesis includes a humeral stem and a series of humeral heads. The heads are attached to the hume...
05/18/2004
6423097Artificial finger joint
The invention shows an artificial finger joint comprising a convex joint head and comprising a concave joint shell which can be fastened independently of one another with a respective shaft in a bone end and which can be moved in an articulation plane fro...
07/23/2002
6375684Hip prosthesis and method for fitting such hip prosthesis
A hip prosthesis comprising a first fastening assembly (1, 2, 6, 12, 13) intended for being mounted in the hip bone (A) and a second fastening assembly (4, 5, 7, 14) intended for being mounted in the upper extremity of the femur (F), wherein the first (1,...
04/23/2002
6352560Joint prosthesis
The joint prosthesis includes a first part with a cylindrical socket and a second part with a cylindrical head. The cylindrical head and socket are of complementary form, in such a manner that together they are able to form a linear hinge. The cylindrical...
03/05/2002
6126695Artificial joint, particularly an artificial hip joint
With the invention, a geometry is described which makes it possible to use similar, wear-resistant, metallic materials such as PROTASUL 21 WF for a bearing shell (1) and a joint ball (2) in a spherical bearing without micro-weldings and without excessive ...
10/03/2000
5879407Wear resistant ball and socket joint
A ball and socket joint providing longevity especially suitable for use in implants in human bodies. The ball is designed to incorporate specified strength, hardness, and smoothness characteristics. The socket has a cooperating bearing surface which is le...
03/09/1999
5776202Joint prosthesis
A joint prothesis, which is suitable for small joints and can be implanted without using a cement, comprises two prothesis members (12, 14), each having a joint element (20, 22) made from from PE as well as an anchoring unit (16, 18) cast from titan. The ...
07/07/1998
5549681Articulated prosthesis
The articulated prosthesis comprises two cooperating prosthesis portions each portion having an anchoring stem to fix the prosthesis portion in a bone. The first prosthesis portion is provided with a essentially ball-shaped head member which comprises two...
08/27/1996
5514182Prosthetic joint with semipermeable capsule with reinforcing ribs
A prosthetic joint such as a hip prosthesis includes a semipermeable membrane to encapsulate articulating surfaces of the joint. The semipermeable membrane permits circulation of natural body fluid to the articulating surfaces of the joint for lubrication...
05/07/1996
4978356Ball and socket bearing for artificial joint
A ball and socket joint for implanting in the body is provided wherein the socket portion of the joint can have various orientations with respect to the patient's anatomy, and the orientation used for a particular patient can be selected and/or changed in...
12/18/1990
4755185Prosthetic joint
A three-component prosthetic joint comprising a first bone-attachable component having a planar articular surface and a second bone-attachable component having an arcuate articular surface and a substantially congruent bearing component held therebetween,...
07/05/1988
4678472Ball and socket bearing for artificial joint
A ball and socket joint for implanting in the body is provided wherein the socket portion of the joint can have various orientations with respect to the patient's anatomy, and the orientation used for a particular patient can be selected and/or changed in...
07/07/1987
4183104Joint implant
The joint implant utilizes a pin and socket arrangement wherein the pin and socket are of non-circular cross-sectional shapes. In addition, the socket has a shaped aperture which permits the pin to tilt or rock in the socket without twisting about the lon...
01/15/1980
4179758Fixation stem for prosthetic device
Means for affixing the scapular component of a shoulder prosthesis to the bony structure of the shoulder includes a T-shaped stem extending from a flange on the device. The stem has a substantially narrow or thin web having one side longer than the other,...
12/25/1979
4131957Ball and socket prosthetic joint
A prosthetic joint including a socket-carrying member and a ball-carrying member both of which have stems for insertion into the medullary canals of the bone. The socket has a downwardly extending cylindrical passageway which terminates in a hemispherical...
01/02/1979
3992726Endoprosthetic bone joint devices
An endoprosthetic bone joint device, particularly suitable for a finger or toe joint, comprises two cups and a ball or other roller freely located in and between the cups in articulatory engagement. Normally the cups do not wholly encompass the ball, and ...
11/23/1976
3943576Artificial hip joint made from two different surgical alloys
An artificial hip joint is provided having an acetabulum prosthesis of the cotyloid cavity defining a socket and having a plurality of blades extending outwardly away from the socket for engaging the prepared wall of the cotyloid cavity. A prosthesis of t...
03/16/1976
 
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