Class / Patent application number | Description | Number of patent applications / Date published |
623230560 | Ceramic | 29 |
20080208353 | Reinforced medical implants - Medical implants having a ceramic body reinforced with a plurality of metal wires. Methods of making the implant and methods of implanting the medical implant are also provided. | 08-28-2008 |
20080275568 | Biomedical Member and Method for Producing the Same - A biomedical member having high strength, high toughness and high hardness and an artificial joint that uses the same are provided. In addition, a biomedical member that exhibits high wear resistance even in in vivo environment and an artificial joint are provided. | 11-06-2008 |
20080281431 | RESORBABLE BONE GRAFT MATERIALS - Ceramic materials operable to repair a defect in bone of a human or animal subject comprising a porous ceramic scaffold having a bioresorbable coating, and a carrier comprising denatured demineralized bone. The ceramic may contain a material selected from the group consisting of hydroxyapatite, tricalcium phosphate, calcium phosphates, calcium carbonates, calcium sulfates, and combinations thereof. The compositions may also contain a bone material selected from the group consisting of: bone powder, bone chips, bone shavings, and combinations thereof. The bioresorbable coating may be, for example, demineralized bone matrix, gelatin, collagen, hyaluronic acid, chitosan, polyglycolic acid, polylactic acid, polypropylenefumarate, polyethylene glycol, or mixtures thereof. | 11-13-2008 |
20090281633 | POROUS CERAMIC MATERIAL AND METHOD OF PRODUCING THE SAME - Provision of a porous ceramic material which rapidly induces bone tissue formation and has practical strength. | 11-12-2009 |
20090292366 | Material based on a partially stabilized zirconia matrix with cerium oxide and yttrium oxide as stabilizing oxides of zirconia, a process for preparation and use of the material - A sintered ceramic material comprising: a) from 98-50% by volume of zirconia as a matrix, i) stabilized with a stabilizing composition having ii) of from about 2 to about 3 mole percent of yttria and of from about 10 to about 15 mole percent of ceria; wherein the term mole percent is related to the zirconia matrix and iii) the stabilizing composition is present in the range of from about 1:99 to about 99:1; and b) from about 2 to about 50% by volume of alumina of which from about 5 to about 90% by volume is in the form of hexagonal platelets of general formula REAl 11018, where RE stands for rare earth metal. | 11-26-2009 |
20090306789 | BIOMEDICAL FILLER - A bone replacement filler comprising a biomedical ceramic particulate, wherein the filler is able to flow without the application of an external shear stress or compressive force or under a relatively low shear stress or compressive force, but resists flow or does not flow when subjected to a higher shear stress or compressive force, and wherein at least some of the particles in the ceramic particulate have a micro-porous surface structure and/or a micro-porous sub-surface structure. | 12-10-2009 |
20100016987 | THERMALLY TREATED CERAMIC COATING FOR IMPLANTS - A prosthetic implant having a thermally treated ceramic coating and a method of producing a coated prosthetic implant. The ceramic coating is deposited onto the prosthetic implant such as by a plasma spray coating process. The prosthetic implant is thermally treated in a low oxygen environment to increase the hardness and wear-resistance of the ceramic coating for improved articulation of the prosthetic implant. | 01-21-2010 |
20100049331 | Ceramic-ceramic articulation surface implants - A prosthesis for articulation (e.g., hip or joint prosthesis) is provided, which includes a pair of articulation components respectively defining a pair of articulation surfaces movably engageable with each other. In some embodiments, each of the articulation surfaces is formed from a biocompatible ceramic (e.g., doped silicon nitride ceramic) having a flexural strength greater than about 700 Mega-Pascal (MPa) and a toughness greater than about 7 Mega-Pascal root meter (MPam | 02-25-2010 |
20100070049 | METHOD AND APPARATUS FOR TREATING COMPRESSION FRACTURES IN VERTEBRAL BODIES - A composite vertebroplasty cement for positioning in a void in a vertebral body so as to treat a compression fracture in that vertebral body, the composite vertebroplasty cement comprising:
| 03-18-2010 |
20100145469 | BIOCERAMIC IMPLANTS HAVING BIOACTIVE SUBSTANCE - A bioceramic endoprosthesis includes a reservoir or deposition of a bioactive substance, such as an angiogenic growth factor, that can provide a biological function, such as vascularization of the endoprosthesis. Such a bioceramic can be prepared by a low temperature direct rapid prototyping inkjet printing system and process. Such a direct inkjet printing process includes the following: applying a ceramic powder to a substrate; inkjet printing a binder solution onto the ceramic powder so as to form a bound ceramic; inkjet printing a bioactive substance solution onto the bound ceramic, wherein the bioactive substance is printed on the bound ceramic at the low temperature (e.g., room temperature or within +/−10° C. of 25° C.); and repeating the process in order to form the bioceramic endoprosthesis. | 06-10-2010 |
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 |
20100274361 | IMPLANT AND PROCESS FOR PRODUCING IT, IN PARTICULAR MODIFICATION OF ITS SURFACE - A process for producing a ceramic implant which is structured on the surface at least in the region in contact with bone and/or tissue is described. The process is characterized in that the ceramic implant after shaping and sintering is, in the region to be structured, I. reduced to the corresponding metal on the surface; II. the essentially metallic surface is subsequently subjected to a structuring surface treatment; III. the structure surface is oxidized. Furthermore, implants which have been provided with a topological structure on the surface by means of this process are described. | 10-28-2010 |
20110190903 | CONTINUOUS PHASE COMPOSITE FOR MUSCULOSKELETAL REPAIR - A composite material for positioning in the anatomy to form a selected function therein. The composite may be resorbable over a selected period of time. The composite may allow for selected bone ingrowth as absorption of the composite occurs. | 08-04-2011 |
20110218646 | BONE IMPLANT MATRIX AND METHOD OF PREPARING THE SAME - The present invention relates to a bone implant matrix, comprising a base matrix treated or to be treated with a reinforcing mixture containing at least a polymer. | 09-08-2011 |
20110251698 | METHODS FOR MAKING TEXTURED CERAMIC IMPLANTS - A ceramic implant having a rough surface texture and a method for forming the same. The method includes forming a green body of a first ceramic composition. The green body is reduced to smaller pieces thereby forming ceramic fragments. A mold is filled with a second ceramic composition to form a ceramic base. Ceramic fragments are added to the mold and an outer layer is formed over at least a portion of the ceramic base. Pressure is applied to the mold to compress the outer layer onto the ceramic base and to form a green assembly. The green assembly is sintered to form a ceramic implant having a rough surface texture. | 10-13-2011 |
20120123555 | Ceramic-Ceramic Articulation Surface Implants - A prosthesis for articulation (e.g., hip or joint prosthesis) is provided, which includes a pair of articulation components respectively defining a pair of articulation surfaces movably engageable with each other. In some embodiments, each of the articulation surfaces is formed from a biocompatible ceramic (e.g., doped silicon nitride ceramic) having a flexural strength greater than about 700 Mega-Pascal (MPa) and a toughness greater than about 7 Mega-Pascal root meter (MPam | 05-17-2012 |
20120310365 | REINFORCED BIOCOMPATIBLE CERAMIC IMPLANT AND MANUFACTURING METHOD THEREOF - A cranial implant designed to fill a cranial defect of the skull of a mammal or a human, wherein the cranial implant is made of biocompatible ceramic and includes an implant body having a shape and size substantially matching the shape and size of the cranial defect to be filled, wherein the implant body includes an outer face facing outside the skull and an inner face facing inside the skull when the implant disposed on the skull, characterized in that the implant includes one or more reinforcing members protruding from the inner face of the implant body. A method of manufacturing the cranial implant is also described. | 12-06-2012 |
20130041475 | BIOCERAMIC COATING, METHOD OF MAKING AND USE THEREOF - Disclosed are a gradient bioceramic coating comprising a rare earth oxide, a broadband laser method for preparing the bioceramic coating, and the use of the bioceramic coating in the field of medical materials. | 02-14-2013 |
20130096693 | WEAR-REDUCING GEOMETRY OF ARTICULATIONS IN TOTAL JOINT REPLACMENTS - The invention reduces wear in total joint articulations by modifications of the shape of either component of the kinematic pair, so as to result in an annular surface contact between the two components. Fluid trapped between the two components within the inner contour of the annular contact area is pressurized under load due to elastic deformation of the components and exuded out through inter-articular gap over the surface of contact, aiding in lubrication and reducing the wear. Reduced to practice for a total hip joint with UHMWPE-metal pair, the wear rate tested in a hip joint simulator up to five million cycles was reduced by factor seven to fifteen compared to conventionally shaped components. | 04-18-2013 |
20130190890 | COMPOSITION AND METHODS FOR COATING - The present invention provides, among other things, multilayer film coating compositions, coated substrates and methods thereof. In some embodiments, a structure includes a first and second layer-by-layer film disposes on a substrate, the structure being characterized in that layer-by-layer removal of at least the second film releases at least one polypeptide, and also may permit release of ions from the ceramic material so that a synergetic effect of the osteoinduction and osteoconduction of the structure is achieved. | 07-25-2013 |
20130226310 | CORAL BONE GRAFT SUBSTITUTE - This invention provides a method for producing bioactive coral bone graft substitutes and to products obtained thereby. | 08-29-2013 |
20140031949 | Ceramic antibacterial - Bacterial growth or infection, especially with respect to an implant and/or tissue about the implant, can be ameliorated, controlled or eliminated by identifying a potential for or a presence of bacterial growth or infection with respect to tissue about an implant proposed for implantation; selecting as the implant a ceramic implant; and implanting the ceramic implant under conditions such that bacterial growth or infection, especially with respect to the implanted ceramic implant and/or tissue about the implanted ceramic implant, is ameliorated, controlled or eliminated at least in part from the presence of the implanted ceramic implant. Among ceramics that may be employed is a magnesium oxide stabilized transformationally toughened zirconia. The ceramic implant may be a prosthesis, which may be a load-bearing joint replacement implant or implant component. | 01-30-2014 |
20140067082 | BIORESORBABLE CERAMIC COMPOSITION FOR FORMING A THREE DIMENSIONAL SCAFFOLD - The present disclosure is directed to a bioresorbable ceramic composition having a plurality of biocompatible ceramic granules, each of the granules having a coating of a plurality of calcium containing particles, where at least a portion of the particles are bound to at least a portion of an outer surface of each of the granules, and further where the composition is flowable in a dry state. The present disclosure is also directed to a three dimensional scaffold for bone repair that includes the bioresorbable composition, which upon implantation to a locus of repair defines an interconnected pore network between outer walls of the coated granules of the composition. Finally, the present disclosure is directed to methods of forming both the bioresorbable ceramic composition and the three-dimensional ceramic scaffold. | 03-06-2014 |
20140180434 | DYNAMIC BIOACTIVE NANOFIBER SCAFFOLDING - A resorbable bone graft scaffold material, including a plurality of overlapping and interlocking fibers defining a scaffold structure, plurality of pores distributed throughout the scaffold, and a plurality of glass microspheres distributed throughout the pores. The fibers are characterized by fiber diameters ranging from about 5 nanometers to about 100 micrometers, and the fibers are a bioactive, resorbable material. The fibers generally contribute about 20 to about 40 weight percent of the scaffold material, with the microspheres contributing the balance. | 06-26-2014 |
20140214173 | DYNAMIC BIOACTIVE NANOFIBER SCAFFOLDING - A resorbable bone graft scaffold material, including a plurality of overlapping and interlocking fibers defining a scaffold structure, plurality of pores distributed throughout the scaffold, and a plurality of glass microspheres distributed throughout the pores. The fibers are characterized by fiber diameters ranging from about 5 nanometers to about 100 micrometers, and the fibers are a bioactive, resorbable material. The fibers generally contribute about 20 to about 40 weight percent of the scaffold material, with the microspheres contributing the balance. | 07-31-2014 |
20140214174 | PROCESS FOR PREPARING CERAMIC IMPLANTS FOR MEDICAL PURPOSES - A process for manufacturing a ceramic implant with a surface which forms a permanent bonding to bone cell tissues, the surface providing improved osseointegration, the process comprising the step of:—a pretreatment of the ceramic material with the surface wherein said surface of the ceramic material is exposed to a conditioning plasma, which is produced by means of direct current (DC) or alternating current (AC), such as high or radio frequency (HF, RF), or microwaves (MW) at a low pressure, followed by a second step;—a treatment with a reactive plasma in which an organic compound is added to the plasma for the at least partial application of an organic phase to said surface wherein the organic compound is selected from the group consisting of aliphatic amines, cyclic amines, unsaturated and aromatic amines as well as combinations thereof. | 07-31-2014 |
20150025651 | BONE REPAIR MATERIAL - Sliceable bone repair material is a porous block-shaped scaffold containing a hydrogel, wherein the hydrogel is formed by Michael type addition of at least two precursor molecules. Said scaffold is made of a synthetic ceramic material and has interconnected macropores having a diameter above 100 μm. In addition said scaffold has a total porosity of 60 to 80%. The total volume of the hydrogel is smaller than the total volume of the interconnected macropores. | 01-22-2015 |
20150328368 | Cement-Forming Compositions, Monetite Cements, Implants and Methods for Correcting Bone Defects - A calcium phosphate monetite cement-forming composition comprises a monetite-forming calcium-based precursor powder and from 3 to 30 wt %, based on the weight of the precursor powder, of dicalcium pyrophosphate powder. Monetite cements formed form such compositions may be used in implants for correcting bone defects. Methods for bone defect repair employ implants formed from such monetite cements and slow implant resorption and/or improve in vivo bone induction in a patient. | 11-19-2015 |
20160008133 | DYNAMIC BIOACTIVE NANOFIBER SCAFFOLDING | 01-14-2016 |