http://rdf.ncbi.nlm.nih.gov/pubchem/patent/RU-2428206-C1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_85c11b61c2fca829ee4c4a4a9e12337a |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61F2-28 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61L27-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61L27-12 |
| filingDate | 2010-06-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2011-09-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_19c6397673b130cf052ae2db32d268fa http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_5e90d90e2e8bfde9cbcf8e938deb6909 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_58eb6daae84057f6f8ce95c2a17b710c http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_a7aeb6e6b6df760b4315ce728505f6cf |
| publicationDate | 2011-09-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | RU-2428206-C1 |
| titleOfInvention | Low-temperature cofired fluorohydroxyapatite ceramics for reconstruction of bone defects |
| abstract | FIELD: medicine. n SUBSTANCE: invention refers to medicine, particularly to calcium-phosphate fluorohydroxyapatite ceramics for bone graft manufacturing and/or defect replacement in various bone pathologies. Making strong FHA is connected with high temperature of ceramic burning. For sintering temperature reduction, a nanodispersed fluorhydroxyapatite powder and an additive of sodium and lithium fluoride system in amount up to 5 wt % are used. When burned, the additive forms a low-temperature melt that promotes liquid-phase sintering at temperatures less than 700°C. Besides, the high concentration of fluorine ions leads to FHA stabilisation of ceramics at temperatures 600-700°C and prevents formation of the other isomorphic hydroxyapatite modifications. The fine-crystalline structure with crystal size less than 250 nm and porosity less than 5 % and bending strength to 90 MPa allows using the manufactured fluorohydroxyapatite ceramics as strong nonresorbable bone grafts. n EFFECT: provided high strength and slow destruction in aqueous mediums observed as ceramic strength loss as a result of chemical corrosion under mechanical pressure. n 1 tbl, 1 ex |
| priorityDate | 2010-06-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 28.