Injectable ceramic compositions and methods for their preparation and use
August 2, 2013. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesInductive collagen based bone repair preparations Surgical cement from amorphous tricalcium phosphate, poly(carboxylic acid) and water Preparation of collagen hydroxyapatite matrix for bone repair Xenogeneic collagen/mineral preparations in bone repair Injectable implant composition having improved intrudability Materials for implantation comprising a polyacrylate containing spherical tricalcium phosphate particles Injectable composition for inductive bone repair Gamma irradiation of collagen/mineral mixtures Method of making molds with xenogeneic collagen/mineral preparations for bone repair Inductive collagen-based bone repair preparations Patent #: 5001169 InventorsAssigneeApplicationNo. 101333 filed on 08/02/1993US Classes:523/115, Composition suitable for use as tooth or bone replacement, restorative, or implant424/423, Surgical implant or material523/113, Composition suitable for use as tissue or body member replacement, restorative, or implant524/415, Atom other than P, O, H, or a metal524/417Phosphorus atom directly bonded to four oxygen atoms, e.g., phosphoric acid, etc.ExaminersPrimary: Michl, Paul R.Assistant: DeWitt, LaVonda R. Attorney, Agent or FirmInternational ClassesA61F 002/00C08K 003/32 A61M 031/00 AbstractInjectable implant compositions comprise a biocompatible ceramic matrix present in a fluid carrier, where the ceramic matrix comprises particles having a size distribution in the range from 50 μm to 250 μm. Optionally, the compositions may further comprise collagen, where the relative amounts of collagen and ceramic matrix at least partly determine the physical properties of implants formed by injecting the compositions. The fluid carrier is an aqueous buffered medium, typically including an organic polymer base material when there is no collagen present in the composition. The compositions are particularly suitable for repair and augmentation of soft and hard tissues by injection.Other References
Field of SearchComposition suitable for use as tissue or body member replacement, restorative, or implantComposition suitable for use as tooth or bone replacement, restorative, or implant Atom other than P, O, H, or a metal Phosphorus atom directly bonded to four oxygen atoms, e.g., phosphoric acid, etc. Surgical implant or material | |
