Patent application number | Description | Published |
20080289729 | DIFFUSION-HARDENED MEDICAL IMPLANT - The present invention relates to a new composition and medical implant made therefrom, the composition comprising a thick diffusion hardened zone, and preferably further comprising a ceramic layer. The present invention relates to orthopedic implants comprising the new composition, methods of making the new composition, and methods of making orthopedic implants comprising the new composition. | 11-27-2008 |
20090012611 | PLASMA SPRAYED POROUS COATING FOR MEDICAL IMPLANTS - A prosthesis having an oxidized zirconium surface and a porous textured surface is described. A major advantage of the prosthesis is increased service life. Additionally, a process of manufacturing the prosthesis is described. | 01-08-2009 |
20090074836 | DIFFUSION-HARDENED MEDICAL IMPLANT - The present invention relates to a new composition and medical implant made therefrom, the composition comprising a thick diffusion hardened zone, and preferably further comprising a ceramic layer. The present invention relates to orthopedic implants comprising the new composition, methods of making the new composition, and methods of making orthopedic implants comprising the new composition. | 03-19-2009 |
20090112331 | METHOD OF SURFACE OXIDIZING ZIRCONIUM AND ZIRCONIUM ALLOYS AND RESULTING PRODUCT - A coating of blue-black or black oxidized zirconium of uniform and controlled thickness on a zirconium or zirconium alloy material is accomplished through the oxidative treatment of an amorphous zirconium or zirconium alloy substrate having an altered surface roughness. An oxidized zirconium coating of uniform and controlled thickness is especially useful on orthopedic implants of zirconium or zirconium-based alloys to provide low friction, highly wear resistant surfaces on artificial joints, such as, but not limited to, hip joints, knee joints, shoulders, elbows, and spinal implants. The uniformly thick oxidized zirconium surface of controlled depth on prostheses provide a barrier against implant corrosion caused by ionization of the metal prostheses. The invention is also useful in non-articulating implant devices such as bone plates, bone screws, etc. | 04-30-2009 |
20100074789 | MEDICAL IMPLANTS HAVING A POROUS COATED SUFACE - A process for making a diffusion hardened medical implant having a porous surface is disclosed. The medical implant is made by a hot isostatic pressing process which simultaneously forms that porous surface and the diffusion hardened surface. | 03-25-2010 |
20110015756 | SURFACE ALLOYED MEDICAL IMPLANT - A medical implant is disclosed. The medical implant includes: a first biocompatible metal forming a substrate ( | 01-20-2011 |
20110139312 | METHOD OF PROVIDING A ZIRCONIUM SURFACE AND RESULTING PRODUCT - A coating of blue-black or black zirconium of uniform and controlled thickness on a zirconium or zirconium alloy material is accomplished through the treatment of an amorphous zirconium or zirconium alloy substrate, which may have an altered surface roughness. The treatment of amorphous zirconium or zirconium alloy substrates includes oxidation of the substrates. A zirconium coating of uniform and controlled thickness is especially useful in various applications because the uniformly thick zirconium surface of controlled depth provide a barrier against implant corrosion caused by ionization of the metal substrates. | 06-16-2011 |
20110320007 | DIFFUSION-HARDENED MEDICAL IMPLANT - The present invention relates to a new composition and medical implant made therefrom, the composition comprising a thick diffusion hardened zone, and preferably further comprising a ceramic layer. The present invention relates to orthopedic implants comprising the new composition, methods of making the new composition, and methods of making orthopedic implants comprising the new composition. | 12-29-2011 |
20120245697 | PULSED CURRENT SINTERING FOR SURFACES OF MEDICAL IMPLANTS - A porous medical implant and a method of making same is described. The medical implant comprises a porous surface formed by application of pulsed electrical energy ins such a way as to cause a localized heating in the surface of the material comprising portions of the implant. The method comprises a pulsed current sintering technique. | 09-27-2012 |
20140041765 | Method of Providing a Zirconium Surface and Resulting Product - A coating of blue-black or black zirconium of uniform and controlled thickness on a zirconium or zirconium alloy material is accomplished through the treatment of an amorphous zirconium or zirconium alloy substrate, which may have an altered surface roughness. The treatment of amorphous zirconium or zirconium alloy substrates includes oxidation of the substrates. A zirconium coating of uniform and controlled thickness is especially useful in various applications because the uniformly thick zirconium surface of controlled depth provide a barrier against implant corrosion caused by ionization of the metal substrates. | 02-13-2014 |
20140046453 | DIFFUSION-HARDENED MEDICAL IMPLANT - The present invention relates to a new composition and medical implant made therefrom, the composition comprising a thick diffusion hardened zone, and preferably further comprising a ceramic layer. The present invention relates to orthopedic implants comprising the new composition, methods of making the new composition, and methods of making orthopedic implants comprising the new composition. | 02-13-2014 |
Patent application number | Description | Published |
20080281429 | Applications of Diffusion Hardening Techniques - A device, for example a medical implant, and a method of making the same, the device having a metal or metal alloy substrate, for example CoCr, and a diffusion hardened metallic surface, for example a plasma carburized surface, contacting a non-diffusion hardened surface or a diffusion hardened surface having a diffusion hardening species different from that of the opposing surface. | 11-13-2008 |
20120046380 | SYNERGISTIC EFFECTS OF BLENDING MULTIPLE ADDITIVES IN UHMWPE - Oxidation resistant crosslinked ultrahigh molecular weight polyethylene (UHMWPE) is described, wherein at least two different additives in the manufacture synergistically increase the oxidation resistance of crosslinked UHMWPE. This allows the manufacture of oxidation resistant crosslinked UHMWPE using lower levels of additives and/or lower levels of crosslinking irradiation or chemicals. The lower levels of additives and/or crosslinking produce crosslinked UHMWPE having desired physical properties not possible without the synergistic interaction of the additives. This crosslinked UHMWPE may be used in medical prostheses such as in bearing components having desired physical properties such as wear resistance and oxidation resistance not possible without the synergistic interaction of the additives. | 02-23-2012 |
20140213683 | SYNERGISTIC EFFECTS OF BLENDING MULTIPLE ADDITIVES IN UHMWPE - Oxidation resistant crosslinked ultrahigh molecular weight polyethylene (UHMWPE) is described, wherein at least two different additives in the manufacture synergistically increase the oxidation resistance of crosslinked UHMWPE. This allows the manufacture of oxidation resistant crosslinked UHMWPE using lower levels of additives and/or lower levels of crosslinking irradiation or chemicals. The lower levels of additives and/or crosslinking produce crosslinked UHMWPE having desired physical properties not possible without the synergistic interaction of the additives. This crosslinked UHMWPE may be used in medical prostheses such as in bearing components having desired physical properties such as wear resistance and oxidation resistance not possible without the synergistic interaction of the additives. | 07-31-2014 |
20150030493 | POROUS STRUCTURES AND METHODS OF MAKING SAME - The present disclosure provides methods to improve the properties of a porous structure formed by a rapid manufacturing technique. Embodiments of the present disclosure increase the bonding between the micro-particles | 01-29-2015 |
Patent application number | Description | Published |
20090187255 | CERAMIC METAL COMPOSITE FOR ORTHOPAEDIC IMPLANTS - The invention relates to an orthopedic implant made of a ceramic metal composite. The composite ( | 07-23-2009 |
20100174383 | CERAMIC LAYERED MEDICAL IMPLANT - A new composition and medical implant made there from comprises a thick diffusion hardened zone, and layered ceramic surface. Orthopedic implants comprising the new composition, methods of making the new composition, and methods of making orthopedic implants comprising the new composition are disclosed. | 07-08-2010 |
20130230640 | CERAMIC LAYERED MEDICAL IMPLANT - A new composition and medical implant made there from comprises a thick diffusion hardened zone, and layered ceramic surface. Orthopedic implants comprising the new composition, methods of making the new composition, and methods of making orthopedic implants comprising the new composition are disclosed. | 09-05-2013 |
20140330389 | APPLICATION OF DIFFUSION HARDENED MATERIAL - An improved implant having components comprising an oxidized zirconium bearing surface adapted to decrease pain, lower friction, and minimize wear when coupled with natural femoral articular cartilage. The improved implant components also provide for reduced backside wear effects in fixed and mobile implants. The improved implant components further provide for more ideal wear coupling between components in mobile bearing implants. | 11-06-2014 |