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| Number | Title | Issue Date |
| 8133284 | Hip prosthesis with monoblock ceramic acetabular cup An improved hip prosthesis includes an acetabular cup bearing component constructed from a relatively hard and high strength ceramic material for articulation with a ball-shaped femoral head component which may be constructed from a compatible ceramic or metal mater... | 03/13/2012 |
| 7833275 | Method and apparatus for performing a minimally invasive total hip arthroplasty A method and apparatus for performing a minimally invasive total hip arthroplasty. An approximately 3.75-5 centimeter (1.5-2 inch) anterior incision is made in line with the femoral neck. The femoral neck is severed from the femoral shaft and removed through the ant... | 11/16/2010 |
| 7794503 | Trialing system and method for modular hip joint replacement system A system and method for trialing a modular hip replacement system (10) permits evaluation and replication of the anatomic anteversion rotational angle of the femur. A distal stem component (18) of the hip replacement system (10) includes a proxi... | 09/14/2010 |
| 7608112 | Hip arthroplasty trialing apparatus and method A femoral head offset and neck length required in a femoral component to be engaged with an acetabular component are determined for establishing appropriate hip mechanics in a prosthetic hip joint. Alternate selected sleeves of different lengths are interposed betwe... | 10/27/2009 |
| 7591856 | Apparatus for total hip replacement for cases of hip ankylosis and severe joint infection A hip replacement apparatus that normally includes a supporting rod bent into an acute angle at its center with a rounded head on one end. This supporting rod can be received at the pelvis into a pre-assembled housing with a backplate and front plate where the unit ... | 09/22/2009 |
| 7419714 | Composite of polymer or ceramic materials and component made of such a composite A composite of polymer or ceramic material has reinforcing fibers. The composite is for use in manufacturing medical implants like osteosynthesis plates, endoprostheses, screw coupling elements, surgical instruments, and similar components. The fibers and fibrous pa... | 09/02/2008 |
| 7374575 | Femoral stem for hip prosthesis A femoral stem for hip prosthesis is disclosed comprising: a main body with a mainly longitudinal development and a generally wedge shaped, which is inserted into the femoral canal present in the body of the femur; a central body of a generally trapezoidal shape int... | 05/20/2008 |
| 7367110 | Method of fabricating a read head having shaped read sensor-biasing layer junctions using partial milling A method for fabricating a read head for a magnetic disk drive having a read head sensor and a hard bias layer, where the read head has a shaped junction between the read head sensor and the hard bias layer. The method includes providing a layered wafer stack to be ... | 05/06/2008 |
| 7291176 | System for establishing the orientation of a modular implant This invention provides apparatus and a method for assembling a modular hip implant where the desired orientation of the neck component is uniquely determined during the trialing phase of the operation, and that same desired orientation is accurately reproduced duri... | 11/06/2007 |
| 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. ... | 05/15/2007 |
| 7214764 | Free radical quench process for irradiated ultrahigh molecular weight polyethylene The invention provides a process for quenching free radicals present in irradiated ultrahigh molecular weight polyethylene comprising the steps of (a) providing a mass of irradiated ultrahigh molecular weight polyethylene, wherein the mass comprises free radicals, (... | 05/08/2007 |
| 7208013 | Composite surgical devices Surgical devices such as implants or suture fastenings are assembled from a plurality of discrete components, one of which components includes a heat bondable plastic material for bonding the components together. At least two components are bonded to each other by t... | 04/24/2007 |
| 7204854 | Metal back prosthetic glenoid component with cemented pegs and hollow metal cage screw A prosthetic glenoid component for attachment to a glenoid surface of a scapula to replace a natural socket of a shoulder and to provide a bearing surface for a head portion of an arm bone or humerus. The glenoid component has a metal back with integrally formed att... | 04/17/2007 |
| 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 |
| 7182784 | Prosthetic devices employing oxidized zirconium and other abrasion resistant surfaces contacting surfaces of cross-linked polyethylene Orthopedic implants which include the components of zirconium or zirconium-based alloys having surfaces coated with oxidized zirconium or alternatively, other orthopedic implants comprising abrasion resistant surfaces contacting surfaces of cross-linked polyethylene... | 02/27/2007 |
| 7179297 | Combined bipolar and unipolar trials The present invention is directed to a set of trial prosthesis instrumentation for use in trial fitting of a medical implant such as a femoral hip prosthesis. The two piece set provides a combined bipolar and unipolar trial prosthesis instrumentation and comprises a... | 02/20/2007 |
| 7179264 | Cemented prosthetic kit A kit (10) for use in implanting a stem (12) into a long bone (36) for use in joint arthroplasty is provided. The kit (10) includes a stem (12) for implantation into the long bone (36), a cement restrictor (16), and a... | 02/20/2007 |
| 7169186 | Monopolar constrained acetabular component The present invention provides monopolar acetabular liners that can enclose a femoral head to form a hip replacement prosthesis, wherein the liner has a rim that creates an orifice, wherein the orifice has a diameter that is smaller than the diameter of the femoral ... | 01/30/2007 |
| 7166132 | Adjustable bone prostheses and related methods Adjustable prostheses and related methods provide a wide range of adjustment along or about multiple axes. The prostheses and related methods make possible a straightforward, yet robust way of securing, e.g., a humeral head prosthesis in a desired position and maint... | 01/23/2007 |
| 7166650 | High modulus crosslinked polyethylene with reduced residual free radical concentration prepared below the melt The present invention provides an irradiated crosslinked polyethylene containing reduced free radicals, preferably containing substantially no residual free radical. Disclosed is a process of making irradiated crosslinked polyethylene by irradiating the polyethylene... | 01/23/2007 |
| 7112203 | Apparatus for the preparation of a femur bone for the implantation of a prosthesis An apparatus for the preparation of a cement-free implantation of a prosthesis is provided. The prosthesis has a distal part corresponding to a diaphysial region of the femur, a proximal part corresponding to a metaphysial region of the femur, and an intermediate re... | 09/26/2006 |
| 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 the first component, and is operable to rotate in a first axis of ro... | 09/19/2006 |
| 7105028 | Tissue preserving and minimally invasive hip replacement surgical procedure A minimally invasive hip replacement surgical procedure that is also tissue preserving is disclosed. By making a superior incision, rather than a posterior incision, neither the posterior hip capsule, nor the gluteus medius or minimus are dissected. This results in ... | 09/12/2006 |
| 7105199 | Methods of adhering drugs to the surface of medical devices through ion beam surface modification Methods of implanting, applying, or adhering various drug molecules directly into or onto the surface of medical devices through gas cluster ion beam (GCIB) and/or monomer ion beam surface modification of the medical devices before or after depositing the various dr... | 09/12/2006 |
| 7097907 | Bioabsorbable branched polymers containing units derived from dioxanone and medical/surgical devices manufactured therefrom Star polymers of soft segment forming monomers are useful in forming surgical devices. The star polymers can be endcapped with isocyanate, mixed with a filler and/or cross-linked. The polymer compositions are useful, for example, as fiber coatings, surgical adhesive... | 08/29/2006 |
| 7097662 | In-vivo orthopedic implant diagnostic device for sensing load, wear, and infection A device for providing in vivo diagnostics of loads, wear, and infection in orthopedic implants having at least one load sensor associated with the implant, at least one temperature sensor associated with the implant, at least one vibration sensor associated with th... | 08/29/2006 |
| 7051417 | Method for forming an orthopedic implant surface configuration The present invention is a specialized orthopedic implant having an exterior surface for engaging bone. The surface comprises arrayed projections having at least one forward facing facet directed at least in part toward the leading end of the implant and at least on... | 05/30/2006 |
| 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 |
| 6974482 | Implantable orthopedic prosthesis with textured polymeric surfaces Implantable prostheses fully or partially formed of polymer having a textured or porous outer surface. The surface permits and encourages osteogenesis into the prosthesis and enables it to become firmly and permanently anchored into surrounding bone. The prostheses ... | 12/13/2005 |
| 6953480 | Method and apparatus for performing a minimally invasive total hip arthroplasty A method and apparatus for performing a minimally invasive total hip arthroplasty. An approximately 3.75-5 centimeter (1.5-2 inch) anterior incision is made in line with the femoral neck. The femoral neck is severed from the femoral shaft and removed through the ant... | 10/11/2005 |
| 6923833 | Biologically reabsorbable acetabular constraining components and materials for use with a hip replacement prosthesis and bioreabsorbable materials to augment hip replacement stability and function A prosthetic constraining device for use with a hip replacement prosthesis that includes an acetabular cup assembly adapted to be bonded to a patient's pelvis and a femoral stem adapted to be bonded to the patient's femur, where the femoral stem includes a ball comp... | 08/02/2005 |
| 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 |
| 6887278 | Prosthetic implant having segmented flexible stem A prosthetic implant having a fixation stem with varying stiffness is disclosed. The stem comprises an elongated core and segments extending outward from the core. The segments are spaced apart so as to define transverse grooves surrounding the core between adjacent... | 05/03/2005 |
| 6860903 | Method and apparatus for performing a minimally invasive total hip arthroplasty A method and apparatus for performing a minimally invasive (i. e., with the wound developed under an incision being substantially the same size as the incision throughout the depth of the wound) total hip arthroplasty. The apparatus includes a provisional femoral he... | 03/01/2005 |
| 6818020 | Non-oxidizing polymeric medical implant A medical implant made of polymeric material having an increased oxidation resistance is formed by a method including the steps of placing a resin powder in a sealed container. A substantial portion of the oxygen is removed from the sealed contained by either a vacu... | 11/16/2004 |
| 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 method whereby a polymer is irradiated, preferably with gamma radiati... | 10/05/2004 |
| 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 making joints, bearing and articulation surfaces, and methods for man... | 09/21/2004 |
| 6786933 | Radiation and melt treated ultra high molecular weight polyethylene prosthetic devices A medical prosthesis for use within a body which is formed of radiation treated ultra high molecular weight polyethylene having substantially no detectable free radial. Preferred prosthesis exhibits reduced production of particles from the prosthesis during wear of ... | 09/07/2004 |
| 6774155 | Method for treating polymer materials and products produced therefrom The invention is directed to methods for fabricating devices from polymer precursors, along with devices so fabricated. The methods of the invention include the steps of plasma treating a polymer based resin, paste, preform billet, or extrudate, and employing the tr... | 08/10/2004 |
| 6761741 | Prosthetic joint A prefabricated joint is employed for the prosthetic joint. The joint includes prefabricated socket, ball, and capsule. The capsule is attached from the ball to the socket. The capsule seals the area between the ball and socket and prevents wear debris from entering... | 07/13/2004 |
