Class / Patent application number | Description | Number of patent applications / Date published |
623230630 | Including natural bone tissue | 30 |
20080262632 | Method for Producing Biomaterials From Bone Tissue and Material Used for Osteoplasty and Tissue Engineering - A method for obtaining of biomaterials for osteoplasty and tissue engineering cleans a bone of natural origin, which is sawn to plates with a thickness of 0.2 to 2.0 cm, washed twice in 0.1 M phosphate buffer at 65° C., pH 5.8-6.0, calculated as two volumetric parts of the buffer solution per one part of bone, digested in a solution of activated 0.1-0.4% papain at 65° C. for 24 hours. The plates are washed with 5 volumes of water at the temperature 40-80° C., treated with 0.4 N alkali solution at room temperature for 10-24 hours, washed with flowing water, dried, defatted in ethanol/chloroform mixtures in proportion of 1:2 and then in proportion of 2:1, decalcified in 0.4-1 N hydrochloric acid, treated with 1.5-3% hydrogen peroxide for 4 hours, washed with treated water, then washed with ethanol, dried at room temperature, packed and sterilized. | 10-23-2008 |
20080262633 | Cancellous bone treated with collagenase and essentially free of blood cells - A bone implant comprising cancellous bone that is essentially free of blood cells, and which has been treated with at least one loosening agent, such as collagenase or a digestive enzyme, for a time and at a concentration to loosen the osteogenic cells in the cancellous bone matrix. The osteogenic cells in the matrix are viable cells. The treatment of the cancellous bone with at least one loosening agent enables the osteogenic cells to be more available for carrying out their osteogenic function and to provide for an increased rate of bone formation. Such implant also may include demineralized bone, such as demineralized cortical bone, which enhances the bone regenerative capacity of the cancellous bone. | 10-23-2008 |
20080281432 | Method and Device For Synovial Cell-Charged Collagen Membrane or Gel - An implant for repair of a cartilaginous defect in a subject includes a collagen matrix charged with synovial cells. A method preparing an implant for repair of a cartilaginous defect in a subject includes obtaining a fluid containing synovial cells and charging the synovial cells to the matrix. A device for preparing a cell-charged implant includes a first chamber and a second chamber, the first and second chambers being separated by a membrane and a perforated filter. The membrane is adapted to collect cells from a cell-containing fluid introduced into the first chamber and the perforated filter is adapted to permit passage or diffusion of the fluid through the second chamber. A method for preparing a cell-charged implant utilizes the device. | 11-13-2008 |
20080294270 | DIFFERENTIALLY PROCESSED TISSUE AND PROCESSING METHODS THEREOF - A method of preparing an implantable biological device having a first tissue part and a second tissue part includes exposing the first tissue part to a first preparation method and preventing exposure of the second biological tissue part to the first preparation method. Preventing exposure of the second biological tissue part to the first preparation method may be achieved using an embedding technique, a coating technique, a covering technique, or physical isolation. The method may further include exposing the second tissue part to a second preparation method and preventing exposure of the first biological tissue part to the second preparation method. An apparatus for preparing an implantable biologic device includes an enclosure having first and second chambers separated by a partition member wherein a substantial portion of the first tissue part is within the first chamber and a substantial portion of the second tissue part is within the second chamber. | 11-27-2008 |
20090005882 | DEMINERALIZED BONE-DERIVED IMPLANTS - Selectively demineralized bone-derived implants are provided. In one embodiment, a bone sheet for implantation includes a demineralized field surrounding mineralized regions. In another embodiment, a bone defect filler includes a demineralized cancellous bone section in a first geometry. The first geometry is compressible and dryable to a second geometry smaller than the first geometry, and the second geometry is expandable and rehydratable to a third geometry larger than the second geometry. | 01-01-2009 |
20090012625 | Porous biomaterial-filler composite and method for making the same - A porous biomaterial-filler composite comprising a biomaterial, such as collagen, interspersed with a calcium phosphate-type filler material. The porosity of the composite is similar to that of natural bone and can feature a pore size ranging from a few nanometres to greater than 100 microns. Scaffolds prepared from the biomaterial-filler composite are suitable for resorbable bone substitute materials. | 01-08-2009 |
20090018667 | Composition for an injectable bone mineral substitute material - The invention refers to an injectable composition for a bone mineral substitute material, which comprises a dry powder mixed with an aqueous liquid. The powder comprises a first reaction component comprising a calcium suphate hemihydrate with the capability of being hardened to calcium sulphate dihydrate when reacting with said aqueous liquid; a second reaction component, which comprises a calcium phosphate with the capability of being hardened to a calcium phosphate cement when reacting with said aqueous liquid; and at least one accelerator for the reaction of said first and/or second reaction component with said aqueous liquid. A method of producing an injectable bone mineral substitute material is also provided, wherein the composition is mixed in a closed mixing and delivery system for delivery. | 01-15-2009 |
20090024223 | Crafting of cartilage - The invention is directed to producing a shaped cartilage matrix isolated from a human or animal where the cartilage has been crafted to facilitate disinfection, cleaning, devitalization, recellularization, and/or integration after implantation. The invention relates to a process for repairing a cartilage defect and implantation of a cartilage graft into a human or animal by crafting the cartilage matrix into individual grafts, disinfecting and cleaning the cartilage graft, applying a pretreatment solution to the cartilage graft, removing cellular debris using an extracting solution to produce a devitalized cartilage graft, implanting the cartilage graft into the cartilage defect with or without an insertion device, and sealing the implanted cartilage graft with recipient tissue. The devitalized cartilage graft is optionally recellularized in vitro, in vivo, or in situ with viable cells to render the tissue vital before or after the implantation. The devitalized cartilage graft is also optionally stored between the removing cellular debris and the recellularizing steps. | 01-22-2009 |
20090069901 | CARTILAGE ALLOGRAFT PLUG - The invention is directed toward a cartilage repair assembly comprising a shaped allograft structure of subchondral bone with an integral overlying cartilage cap which is treated to remove cellular debris and proteoglycans and milled allograft cartilage in a bioabsorbable carrier. The shaped structure is dimensioned to fit in a drilled bore in a cartilage defect area so that either the shaped bone or the cartilage cap engage the side wall of the drilled bore in an interference fit and is in contact with a milled cartilage and biocompatible carrier mixture allowing cell transfer throughout the defect area. A method for inserting the shaped allograft structure into a cartilage defect area is also disclosed. | 03-12-2009 |
20090171467 | IMPLANTABLE CARTILAGINOUS TISSUE REPAIR DEVICE - A cartilaginous tissue repair device with a biocompatible, bioresorbable three-dimensional silk or other fibre lay and a biocompatible, bioresorbable substantially porous silk-based or other hydrogel partially or substantially filling the interstices of the fibre lay; with or without an integral means of firmly anchoring the device to a patient's bone. | 07-02-2009 |
20090265017 | RIGID BONE GRAFT SUBSTITUTE - A bone graft substitute includes a porous matrix at least partially covered by a reinforcing outer layer. The porous matrix may be a collagen-ceramic composite, and the reinforcing outer layer may be formed from highly cross-linked collagen. The implant may also include one or more reinforcement ribs, which may be made from calcium phosphate or dense collagen. In addition, the bone graft substitute preferably includes an effective amount of a bioactive agent, such as BMP-2, rhBMP-2, or functional fragments thereof. The bioactive agent is preferably disposed within the porous matrix. | 10-22-2009 |
20100036503 | Composition for a Tissue Repair Implant and Methods of Making the Same - The invention is directed to a process for making a tissue repair implant having a porous sponge-like structure to repair bone, cartilage, or soft tissue defects by producing a connective tissue homogenate from one or more connective tissues; mixing the connective tissue homogenate with a carrier solution to produce a connective tissue carrier; optionally mixing one or more natural or synthetic bone fragements with said connective tissue carrier to produce a tissue repair mixture; freezing or freeze-drying the tissue repair mixture to produce a porous sponge-like structure and create a three-dimensional framework to entrap the natural or synthetic bone fragments, treating the frozen or freeze-dried porous sponge-like structure with one or more treatment solutions to produce a stabilized porous sponge-like structure. A crudely fragmented connective tissue from one or more connective tissues is optionally mixed with the tissue repair mixture before freezing or freeze-drying. The tissue repair implant having a porous sponge-like structure is optionally combined with one or more bioactive supplements or one or more agents that have bioactive supplement binding site(s) to increase the affinity of growth factors, differentiation factor, cytokines, or anti-inflammatory agents to the tissue repair implant. The invention is further directed toward applying such tissue repair implant for tissue repair. | 02-11-2010 |
20100152863 | Bioactive Grafts and Composites - Disclosed are various bioactive grafts and methods of making the same. In one embodiment, bone material is harvested from a donor. The harvested bone material is exposed to a lysing agent, the lysing agent configured to release growth factors and bioactive materials from cellular material of the harvested bone material. The harvested bone material is then rinsed with a rinsing agent. The pH of the harvested bone material is substantially neutralized. | 06-17-2010 |
20100191346 | BONE IMPLANT - A bone implant derived from natural bone tissue material, wherein the bone implant is substantially free of non-fibrous tissue proteins, cells and cellular elements and lipids or lipid residues and comprises collagen displaying original collagen fibre architecture and molecular ultrastructure of the natural bone tissue material from which it is derived. | 07-29-2010 |
20110144766 | Allograft Bone Plugs, Systems and Techniques - The present invention provides a system, device, instruments and methods for inserting and/or improving the holding strength and purchase of a bone screw, bone pin, or bone dowel in bone. Embodiments include monolithic allograft tissue forms, multi-piece allograft tissue forms, distally expandable portions, partially and fully demineralized portions, and flexible connecting portions. Advantages of the allograft tissue forms of the present invention include improved pedicle screw blackout strength and improved filling of bone voids. Methods for making and instruments and techniques for inserting the augmentation device, system and screws or pins are also disclosed. | 06-16-2011 |
20110166672 | BONE DEFECT FILLER NOT ADSORBING BONE GROWTH FACTOR AND NOT INHIBITING THE ACTIVITY OF THE SAME - An object of the invention is to provide a bone filling material capable of promoting the bone regeneration effect of a growth factor such as platelet rich plasma (PRP). | 07-07-2011 |
20110270408 | CONCRETE SCAFFOLD MADE OF BONE POWDER AND FIBRIN GLUE - The present invention relates to a bone-regenerating scaffold, and more particularly, to a bone-regenerating scaffold which is made of a mixture of fibrin glue and bone powder, the interior of which has a plurality of pores for accommodating bone growth factors, and which has a predetermined concrete shape. The present invention also relates to a method for manufacturing the scaffold | 11-03-2011 |
20120165954 | BIOMEDICAL DEVICE, METHOD FOR MANUFACTURING THE SAME AND USE THEREOF - A three-dimensional biomedical device having an osteoinductive first area with a controlled porosity and a second area, which is produced by laser technology from a powder including one of ceramics, metals, metal alloys, bioactive glasses, lead zirconate titanate and biocompatible polymers, or mixtures thereof. The ratio of the porosities from the second area to the first area is equal or less than one, preferably from 0.001 to 0.9. A method for manufacturing the device for fitting in a bone defect, wherein a virtual object is designed with a computer-aid designed software, and the device is manufactured by laser technology including layering a powder onto a plate ( | 06-28-2012 |
20120296441 | Graft Collection and Containment System for Bone Defects - A device for containing bone graft material comprises a body including an inner sleeve extending longitudinally from a proximal end to a distal end and an outer sleeve surrounding the inner sleeve and extending longitudinally from a proximal end to a distal end such that a bone graft collecting space is formed therebetween. | 11-22-2012 |
20120330436 | BONE GRAFT SUBSTITUTE - A bone graft substitute in the form of an implantable three-dimensional scaffold that includes calcium phosphate and has pores. The scaffold is impregnated with a calcium and/or phosphate containing substance, and the dissolution rate DR | 12-27-2012 |
20130030547 | Composite Bone Graft Kit - A composite bone graft which comprises an allograft bone component; a synthetic bone substitute, wherein the synthetic bone substitute is in contact with the allograft bone component. The composite is arranged in a core/outer layer structure. | 01-31-2013 |
20130079889 | Irradiated Cortical Bone Sheet Allografts and Method of Forming Irradiated Cortical Bone Sheet Allografts - There is disclosed an irradiated cortical bone sheet allograft. In an embodiment, the allograft includes a unitary sheet of at least partially demineralized, irradiated cortical bone having a thickness, a width, and a length. The thickness of the unitary sheet of irradiated cortical bone is less the width and the length. In another embodiment, a method of forming the allograft includes obtaining a natural bone from a donor different than a recipient. The natural bone contains a layer of a cortical bone. The method includes cleaning the natural bone to produce a unitary sheet of cortical bone. The method includes at least partially demineralizing the unitary sheet of cortical bone. The method includes freezing the unitary into a frozen state within a sealed package. The method includes irradiating the unitary sheet in the frozen state within the sealed package to sterilize the cortical bone and produce the irradiated cortical bone sheet for implantation in the recipient other than the donor. Other embodiments are also disclosed. | 03-28-2013 |
20130131826 | ARTIFICIAL BONE-CARTILAGE COMPOSITE AND ITS PRODUCTION METHOD - An artificial bone-cartilage composite comprising a first composite material layer comprising collagen, proteoglycan and hyaluronic acid, and a second composite material layer comprising collagen and calcium phosphate, which are bonded to each other via a bonding layer comprising collagen, proteoglycan, hyaluronic acid and calcium phosphate. | 05-23-2013 |
20130173014 | Combined Space Maintenance and Bone Regeneration System for the Reconstruction of Large Osseous Defects - Systems, methods and compositions useful for treatment of traumatic bone injuries are provided. In one embodiment, a bone reconstruction system comprising a space maintaining composition comprising porous polymethylmethacrylate; and an osseous generating construct comprising a polymethylmethacrylate chamber that comprises one or more osseous generating materials is provided. Associated compositions and methods are also provided. | 07-04-2013 |
20130274892 | Electrospun Mineralized Chitosan Nanofibers Crosslinked with Genipin for Bone Tissue Engineering - The present invention relates to an electrospun chitosan scaffold. The scaffold mimics natural bone mechanical properties and structure through mineralization without hindering the biocompatibility for osteoblasts. The electrospun mineralized scaffold is useful in bone regeneration therapies. | 10-17-2013 |
20140195005 | OSTEOGRAFT IMPLANT - Bone implant compositions are provided that include a body made of cortical bone extending along an axis between a first end and a second end. The body includes an outer surface configured to engage host bone of a patient and at least one recess extending transverse to the axis into the outer surface of the body configured for disposal of an insert. At least one insert made of demineralized bone is disposed in the at least one recess. | 07-10-2014 |
20160051732 | SHAPEABLE BONE GRAFT SUBSTITUTE AND INSTRUMENTS FOR DELIVERY THEREOF - Injectable bone graft material having a biocompatible, resorbable polymer and a biocompatible, resorbable inorganic material exhibiting macro, meso, and microporosities. | 02-25-2016 |
20160135954 | MILLED BONE GRAFT MATERIALS AND METHODS OF USE - A bone material for hydration with a liquid is provided, the bone material comprising a coherent mass of milled and demineralized bone fibers, the coherent mass having no binder disposed in or on the coherent mass. In some embodiments, a bone material for hydration with a liquid is provided, the bone material comprising a coherent mass of cartridge milled, lyophilized and demineralized bone fibers, the coherent mass having no binder on the coherent mass. In some embodiments, a method of implanting a bone material is provided, the method comprising contacting the bone material with a liquid, the bone material comprising a coherent mass of cartridge milled, lyophilized and demineralized bone fibers, the coherent mass having no binder disposed in or on the coherent mass; molding the bone material into a shape to implant the bone material; and implanting the bone material at the target tissue site. | 05-19-2016 |
20160136329 | SHAPED BONE GRAFT MATERIALS AND METHODS OF USE - A bone material comprising a coherent mass of cartridge milled and demineralized bone fibers is provided, the coherent mass having no binder disposed in or on the coherent mass. In some embodiments, a bone material comprising a lyophilized coherent mass of cartridge milled and demineralized bone fibers is provided, the lyophilized coherent mass having no binder disposed in or on the coherent mass. In some embodiments, a method of making an implantable bone material is provided, the method comprising drying a coherent mass of cartridge milled and demineralized bone fibers, the coherent mass having no binder disposed in or on the coherent mass. | 05-19-2016 |
20160151158 | TASSELED BONE GRAFT | 06-02-2016 |