Class 623/21.12 - Wrist bone

Subclass of Class 623 - Prosthesis (i.e., artificial body members), parts thereof, or aids and accessories therefor
Definition: Subject matter wherein the artificial joint bone or part
No. of patents: 37
Last issue date: 04/10/2012

Number	Title	Issue Date
8152854	Resurfacing implant for the wrist and method of implantation thereof A modular resurfacing implant for a radioscaphoid joint of a wrist includes a stem and an articular component coupled to the stem. The stem includes a threaded body for implantation into a distal radius and a connection member positioned at a second end of the stem....	04/10/2012
8105389	Method and apparatus for wrist arthroplasty A wrist prosthesis system to replace at least a portion of a bone of a wrist of a patient. The system includes a carpal implant to replace at least a portion of a carpal bone of a carpal complex of the patient. The carpal implant includes a base and an augment that ...	01/31/2012
8105388	Method and apparatus for wrist arthroplasty A prosthesis can replace at least a portion of an anatomical wrist. The prosthesis can include modular portions and bone ingrowth portions for fixation. The modular prosthesis can include selected portions that are assembled for implantation. ...	01/31/2012
8105390	Method and apparatus for wrist arthroplasty A prosthesis for placement relative to a carpal complex of a wrist can generally include a carpal implant having a body including an ulnar flange and a radial flange. The body can have a bone abutment surface and at least one flange extending from the bone abutment ...	01/31/2012
8088168	Implant, more particularly partial ulnar head implant A method and apparatus for replacing an articular surface of a bone. The implant includes at least one head with a bore and a lateral articular surface generally perpendicular to an axis of the bore. A holding element includes a stem at a proximal end adapted to att...	01/03/2012
8052755	Ulnar head prosthesis system An ulnar prosthesis assembly comprising a head formed with a curved surface extending between opposed ends and a stem. One of the ends of the head has an attachment bore defined therein. The attachment bore generally has a first diameter and includes an attachment g...	11/08/2011
8052756	Method and apparatus for wrist arthroplasty A method of implanting a distal radial wrist implant relative to a host radius while salvaging at least portions of fractured radial bone can include, determining a size of a host radius. A distal radial component can be selected based on the determination. The dist...	11/08/2011
7875082	Ulnar head prosthesis system An ulnar prosthesis assembly comprising a head formed with a curved surface extending between opposed ends and a stem. One of the ends of the head has an attachment bore defined therein. The attachment bore generally has a first diameter and includes an attachment g...	01/25/2011
7722676	Articulating implant system An articulating implant system is provided for fixation to a bone. The articulating implant system includes a fixation component for fixation to the bone and an articulating member for articulating against bone or cartilage. Specifically, a modular ulnar implant is ...	05/25/2010
7531003	Wrist implant apparatus and method Prosthetic wrist implants and methods are provided. The prosthetic wrist implant includes a radial component including a base member having an upper bearing surface and a lower surface having an elongated radial stem for fixation to a radius bone. The elongated radi...	05/12/2009
7338497	Femoral impactor-extractor A femoral impactor-extractor and method includes a body having an elongated passageway extending from a proximal end to a distal end, an elongated post positioned in such passageway for longitudinal movement therein and extending from a threaded proximal end to a di...	03/04/2008
7201752	Bone fusion system Systems, including apparatus, methods, and kits, for fusing two or more bones with a bone plate. ...	04/10/2007
7186362	Methods of improving the wear resistance of prosthetic medical devices A prosthetic medical device exhibiting improved wear resistance is fabricated by sealing at least one polyolefinic material in an airtight container and providing an inert atmosphere within the airtight container. The polyolefinic material is exposed to an irradiati...	03/06/2007
7160331	Sigmoid notch implant A sigmoid notch resurfacing prosthesis for application to the sigmoid notch of the distal radius. The sigmoid notch prosthesis generally includes a saddle and a radius portion for attachment to the distal radius. The saddle may be formed from ultra high molecular we...	01/09/2007
6969407	Modular radial component for a total wrist arthroplasty A radial component of a total wrist arthroplasty prosthesis includes a platform having a stem configured to be implanted within the radius bone. The platform carries an insert that provides the radial articulating component for the wrist joint. The platform and inse...	11/29/2005
6905511	Methods of improving the wear resistance of prosthetic medical devices A prosthetic medical device exhibiting improved wear resistance is fabricated by irradiating at least one polyolefinic material in the presence of an inert atmosphere to yield a cross-linked irradiated polyolefinic material; blending at least one non-irradiated poly...	06/14/2005
6746486	Method and apparatus for total wrist angled back carpal plate A prosthetic wrist having a radial insert, which is configured to be fixed to the resected radius of a patient, a carpal implant and a wrist bearing component. The carpal implant includes a body and a pair of flanges, each of which being skewed to the axis of the bo...	06/08/2004
6436137	Compositions, processes and methods of improving the wear resistance of prosthetic medical devices Methods and compositions for fabricating prosthetic medical devices exhibiting improved wear resistance include selectively cross-linking polymeric resins then curing and shaping the polymer into a finished article. The selectively cross-linked polymeric ...	08/20/2002
6383223	Endoprosthesis for a joint, especially a finger, toe or wrist joint In an endoprosthesis (11h) for a joint, the two interacting joint parts (15h, 16h) are joined by a cord-type connection piece (21h), which is attached in the vicinity of the body axis (M2h, M2h') of the convex condyle (15h) and extends through a longitudi...	05/07/2002
6302915	Ulnar implant system An anatomical prosthesis for implantation after a resection of the distal ulna includes a head and a stem. The head is formed with a curved surface for articulation with the sigmoid notch of the distal radius. A bore is provided in the head to allow for a...	10/16/2001
6168630	Hand joint prosthesis Wrist prosthesis with a carpus element (2) to be implanted in the metacarpal bones, a radial element (1) to be fixed on the bone of the forearm, and, arranged between these, a transverse axis articulation (3) whose proximal part (9) is connected to the ra...	01/02/2001
6051751	Arthroplasty process for securely anchoring prostheses to bone, and arthroplasty products therefor A synovial prosthetic member includes a body having an articulating surface and an anchor surface, the articulating surface being configured for articulation with another articulating surface of a synovial joint, the anchor surface being configured for ce...	04/18/2000
5888203	Biaxial ligamentous-restrained prostheses for upper and lower extremity arthroplasties Surgically implantable bone prostheses comprising one or more biocompatable, medically inert contoured body members designed to be restrained along at least two crisscrossing axes and including at least one channel passing through the prostheses....	03/30/1999
5766258	Wrist prosthesis A wrist prosthesis has a radial part and a metacarpal part (12). A joint connection (15) connects the radial and the metacarpal parts including shafts for placement in the metacarpal bone and the carpal regions. The joint connection (15) is biaxial and pe...	06/16/1998
5702468	Carpal bone biaxially restrained prosthesis A carpal bone prothesis comprising a body member made of a biocompatible, medically inert material which is designed to be restrained along at least two independent axes. In one important embodiment, the body member includes at least two independent chann...	12/30/1997
5702470	Prosthetic wrist implant and related method of implantation A prosthetic wrist implant and method for implanting the wrist implant. The prosthetic wrist implant is disposed between a patient's radius and carpal complex bones. It includes a radial implant component having an elongated concave articulate front surfa...	12/30/1997
5458646	Wrist prosthesis A wrist prosthesis having a distal supporting part and a part for proximal support of the prosthesis on both the radius and the ulna. The proximal part of the prosthesis may be a plate configured to be supported on substantially unaltered surfaces of the ...	10/17/1995
5133762	System for restructuring wrist joints A system for reconstructing joints, particularly wrist joints. The system comprises three main components. A first main component (1) with a front plate (2) to hold an anchoring member screwable into the bone tissue close to the joint, and at least one pi...	07/28/1992
5108444	System for reconstructing the distal radioulnar joints (dru-joints) in wrists A system for reconstructing the distal radioulnar joint (DRU-joint) in the wrist. The system includes as a substantial component a guide body (3) anchorable to the radius (1) and having a guide slot (14) with a control element (8) extending into the guide...	04/28/1992
4936854	Semi-constrained wrist implant A wrist implant for stabilizing the proximal carpal row and prevent ulnar migration thereof while permitting movement at the radiocarpal joint includes a body having a generally planar, proximal surface which has a teardrop shape. The body further defines...	06/26/1990
4784661	Total wrist prosthesis A total wrist prosthesis which has a metacarpal component and a radial component having ellipsoidal articulating surfaces. The metacarpal component and the radial component each have a fixation stem for insertion into the third metacarpal and the radius r...	11/15/1988
4714476	Wrist joint prosthesis A wrist joint prosthesis comprises a metal radial component and a metal metacarpal component connected by a metal axle and providing triaxial motions that are comparable to those of the anatomical wrist joint and restraint of excessive motions. Energy is ...	12/22/1987
4645505	Wrist implant A wrist implant for stabilizing the proximal carpal row and preventing ulnar migration thereof includes a body having a generally planar, radial surface which has a teardrop shape defined by curvilinear dorsal and palmar lateral edges and a semicircular m...	02/24/1987
4307473	Prosthetic wrist joint A prosthetic wrist joint for anchoring into the radius and the metacarpals includes a radial component, a metacarpal component and an intermediate component. The radial component has a part-cylindrical bearing surface and a stem portion for insertion into...	12/29/1981
4229841	Wrist prosthesis A proximal component affixed to the radius of the forearm and a distal component affixed to the hand are connected by a joint which prevents axial rotation between the components relative to the forearm axis and provides relative movement of the component...	10/28/1980
4178640	Wrist prosthesis A prosthesis for the wrist joint and other joints which includes a carpal component having a base for cooperation with a radial component. The base is formed in the shape of a half-toroid, each end of the toroid integrally forming an intra-medullary pin f...	12/18/1979
4100626	Wrist implant apparatus This invention provides a wrist implant as part of an apparatus including tools for assembly and disassembly of the implant. The implant includes a radial component adapted for insertion in the radius, the radial component supporting a pin member with a w...	07/18/1978

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Class 623/21.12 - Wrist bone