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| Number | Title | Issue Date |
| 8172906 | Artificial joint fixation mechanism An artificial joint fixation mechanism has a base for being attached to an artificial joint, a stem for guiding an artificial joint to engage with a human bone, and a sleeve. The base defines a conic shaft hole therethrough. At least a positioning section and at lea... | 05/08/2012 |
| 7922772 | Implants and related methods and apparatus for securing an implant on an articulating surface of an orthopedic joint A method for mounting an implant at an orthopedic joint includes forming a tunnel through a bone, the tunnel having an open second end on a natural or resected articulating surface of the bone and an open first end at a location on the bone spaced apart from the nat... | 04/12/2011 |
| 7892290 | Fluted sleeve hip prosthesis for modular stem An intramedullary implant for mounting within an intramedullary canal of a bone is disclosed. The intramedullary implant includes a lower stem portion, an upper stem portion, and a modular sleeve body. The modular sleeve body is connected to one of the lower stem po... | 02/22/2011 |
| 7867282 | Modular implant system and method with diaphyseal implant and adapter A modular implant system includes a set of anatomically-designed diaphyseal fitting and filling modular implant components and adapters for connection to another implant component such as a modular articular component, a segmental component or an intercalary compone... | 01/11/2011 |
| 7291174 | Prosthetic tibial component with modular sleeve A prosthetic knee system has a tibial component and a modular sleeve. The tibial component has a tibial tray, a stem and keels extending between the distal surface of the tray and the stem. The modular sleeve has an oval proximal surface with spaced reliefs. The rel... | 11/06/2007 |
| 7211113 | Hip prosthesis An endoprosthesis utilizes a biomechanical structure based on the lever model of first degree. Contrary to the widespread practice, the inventive structure has a stem placed inside the femur bone, which is not rigidly attached to this bone. Accordingly, the bone, fo... | 05/01/2007 |
| 7192448 | Arthroplasty devices with resorbable component Arthroplasty devices having improved bone in growth to provide a more secure connection within the body. Different embodiments disclosed include devices having threaded intramedullary components, devices configured to receive bone growth promoting substances, device... | 03/20/2007 |
| 7163541 | Tibial resurfacing system A tibial resurfacing system is provided that includes a drill guide, bone chisel and implant. In one aspect, the system includes a drill guide that includes a targeting ring and a bore section for creating an axis through the tibia to the superior tibial surface in ... | 01/16/2007 |
| 7144398 | Method for forming a hardened cement in a bone cavity The present invention discloses a method of hardening a bone cement under an exerted pressure in a bone cavity including preparing a cement paste; injecting said cement paste into a pocket placed in a bone cavity; and allowing the cement paste to harden in the pocke... | 12/05/2006 |
| 7131995 | Method for the manufacture of a tubular spacer and spacer A tubular spacer and a method for the manufacture of the spacer is described. The tubular spacer has a first rim on a first end, a second rim on its opposite second end, and a jacket extending between said first and said second rims. The jacket has a tapered section... | 11/07/2006 |
| 7125193 | Modular connection for orthopedic component An orthopedic component comprising a first element and a second element, with the first element and the second element being secured to one another with a modular connection, wherein the modular connection comprises a taper junction and an engaged-fit junction. ... | 10/24/2006 |
| 7097664 | Modular femoral stem component for a hip joint prosthesis A prosthetic femoral stem component comprising a body element, a neck element and a stem element, with the body element, neck element and stem element being secured to one another with a modular connection, wherein the modular connection comprises a taper junction a... | 08/29/2006 |
| 7044977 | Expanding arthroplasty devices Arthroplasty devices having improved bone in growth to provide a more secure connection within the body. Different embodiments disclosed include devices having threaded intramedullary components, devices configured to receive bone growth promoting substances, device... | 05/16/2006 |
| 7025788 | Knee joint prosthesis A modular tibial component for a knee joint prosthesis. The modular tibial component includes a tray, a stem and an adapter assembly. The tray includes a support surface and downwardly extending extension having a generally circular shape. The stem includes a main b... | 04/11/2006 |
| 6981991 | Arthroplasty devices configured to reduce shear stress Arthroplasty devices having improved bone in growth to provide a more secure connection within the body. Different embodiments disclosed include devices having threaded intramedullary components, devices configured to receive bone growth promoting substances, device... | 01/03/2006 |
| 6926741 | Centralizing cement plug with countersink A prosthesis (10) including a stem (12) for implantation at least partially within the medullary canal (14) of a long bone (16). The prosthesis (10) further includes a rod (20) operably associated with the stem (12) a... | 08/09/2005 |
| 6905515 | Junction for a modular implant The present invention provides an improved junction for modular implant components. ... | 06/14/2005 |
| 6692531 | Prosthetic stem with cement sleeve An artificial joint is capable of harmoniously connecting the artificial joint, cement and a bone and facilitating effusion of the cement at the time of implantation, as well as diminishing the stress applied thereto. The artificial joint includes a head,... | 02/17/2004 |
| 6656226 | Plastic jacket for a cementless artificial joint stem and artificial joint having the jacket A plastic jacket for affixing an artificial joint to a bone. The plastic jacket includes a body for contacting with the bone, an opening for receiving the artificial joint, which is formed with a predetermined shape at one end of the body, and an closed w... | 12/02/2003 |
| 6652589 | Kit for implanting a cementable endoprosthesis The kit for implanting a cementable endoprosthesis includes a fitting instrument and at least two components to be implanted, namely an endoprosthesis shaft and a proximal centering and/or sealing element, the shaft and the fitting instrument being design... | 11/25/2003 |
| 6524344 | Cement jacket for a cemented artificial joint stem and artificial joint having the cement jacket A cement jacket for a cemented artificial joint stem, the cement jacket including a main body with a hollow interior and an open upper end for receiving and enclosing at least a part of a stem of an artificial joint, the cement jacket being shaped and ada... | 02/25/2003 |
| 6497728 | Metal jacket for a cementless artificial joint stem and artificial joint having the jacket The present invention is intended to provide a metal jacket for a cementless artificial joint stem, wherein shear force detrimental to the service life of an artificial joint can be markedly reduced and stress shielding phenomena can also be markedly reli... | 12/24/2002 |
| 6361565 | Expandable hip implant An implant is formed of an expandable material. An opening is formed in a bone in a patient's body. At least a portion of the implant is positioned in the opening in the bone in the patient's body. The implant is retained against movement relative to the ... | 03/26/2002 |
| 6344060 | Kit for implanting a cementable endoprosthesis The kit for implanting a cementable endoprosthesis comprises a fitting instrument (3) and at least two components to be implanted, namely an endoprosthesis shaft (4) and a proximal centering and/or sealing element (1), the shaft (4) and the fitting instru... | 02/05/2002 |
| 6245113 | Centralizer A centralizer (1) is provided with a hollow body (2) and a plurality of equally spaced arms (4). The arms (4) extend in the form of cup handles from the hollow body (2). Each arm (4) has a variable cross-section along its length with the cross-section bec... | 06/12/2001 |
| 6179877 | Centering device for femoral implant and method and apparatus for implementation thereof A method and apparatus for centering the stem of a femoral hip prosthesis in the cavity formed in the medullary canal in the proximal end of the femur. The apparatus includes a sleeve or other like device which is mounted onto the neck of the femoral hip ... | 01/30/2001 |
| 6139584 | Proximal femoral sleeve for a revision hip prosthesis A sleeve component for engagement with a prosthetic component, such as a revision femoral component, compensates for bone loss and/or anatomical anomalies. In one embodiment, the sleeve includes a compensating region which provides an eccentric outer surf... | 10/31/2000 |
| 5108439 | Centering element for a shank of a joint endoprosthesis A centering element for a shank of a femur bone prosthesis is of three-sided pyramidal shape with an equilateral triangular-shaped base. The apex of the centering element is also rounded while a stud is provided at the base for interfitting in a recess in... | 04/28/1992 |
| 5074879 | Prosthetic device with modular stem A modular stem type prosthesis is provided which includes a stem and an extension which are connected to one another with a slip fit interconnection that minimizes surface tensile forces in regions of the prosthesis adjacent the interface between the stem... | 12/24/1991 |
| 4936859 | Reinforcement for anchoring a prosthesis stem The reinforcement is formed of a peg from which a plurality of flaps extend with slots formed between adjacent flaps. The flaps serve to separate a bone cement bed within the interior of the reinforcement from a layer of a compacted spongy tissue external... | 06/26/1990 |
| 4846839 | Apparatus for affixing a prosthesis to bone A joint prosthesis component for implantation in the end of a bone is provided. The component comprises a collar which holds a stem in a fixed position. The envelope of the bone engaging surface of the collar has a shape and size which corresponds to the ... | 07/11/1989 |
| 4790852 | Sleeves for affixing artificial joints to bone Sleeve for affixing artificial joints to bone are provided which include a cone-shaped portion centered on the sleeve's longitudinal axis and a protruding portion offset from the longitudinal axis having an elliptically-shaped leading edge. Cavities which... | 12/13/1988 |
| 4292694 | Prosthesis anchoring means A means of anchoring the stem or other portion of a joint prosthesis inserted within the medullary canal of a bone adjacent a diseased or damaged joint is provided by the present invention, wherein a continuous jacket or a plurality of circumferential rin... | 10/06/1981 |
| 4261063 | Titanium or titanium alloy pin to be fixed in long bones A titanium or titanium alloy pin for cement-free fixing in a long bone for a joint prosthesis or for bone repair, said pin being surrounded by a lattice of titanium wire with a mesh size of at least 0.3 mm. The pin has a rectangular cross-section and two ... | 04/14/1981 |
| 4065817 | Bone prosthesis and method of forming a bone joint A bone prosthesis and the method of securing it in place, in which the prosthesis is formed as a tubular support member having perforations therein, the end of the bone is bored, the tubular support member is introduced into the bore and cement is then in... | 01/03/1978 |
| 4064567 | Prosthesis-to-bone interface system A woven basket is placed over the stem of a prosthesis and receives bone cement therewithin and through its intersticies. The resulting prosthesis-to-bone interface greatly improves the distribution of forces transferred to the bone.... | 12/27/1977 |
