Predicate |
Object |
assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_5583573fb1fa6ba82a23dd2ccc120dc1 |
classificationCPCAdditional |
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classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C12N5-0655 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61L27-3612 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61L27-3654 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61L27-3852 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61F2-30756 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61L27-3817 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61L27-3645 |
classificationIPCAdditional |
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classificationIPCInventive |
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filingDate |
2001-04-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c1af6d7f6d1bbdb77c1cbb55fe16d806 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_aeb6cc9b55165c0a793f664429c7e0b9 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_57a4645a87ea935754a13622d7e5a384 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_bb09d0879ac44ae460ed4f0c0886f9c6 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_31a4017f2aef6fe6443cb19713112acf |
publicationDate |
2001-08-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber |
US-2001014473-A1 |
titleOfInvention |
Method for producing cartilagetissue and implants for repairing encholndral and osteochondral defects as well as arrangement for carrying out the method |
abstract |
Cartilage tissue and implants comprising tissue are produced in vitro starting from cells having the ability to form an extracellular cartilage matrix. Such cells are brought into a cell space ( 1 ) and are left in this cell space for producing an extracellular cartilage matrix. The cells are brought into the cell space to have a cell density of ca. 5×10 7 to 10 9 cells per cm 3 of cell space. The cell space ( 1 ) is at least partly separated from a culture medium space ( 2 ) surrounding the cell space by means of a semi-permeable wall ( 3 ) or by an open-pore wall acting as convection barrier. The open-pore wall can be designed as a plate ( 7 ) made of a bone substitute material and constituting the bottom of the cell space ( 1 ). The cells settle on such a plate ( 7 ) and the cartilage tissue growing in the cell space ( 1 ). The cells settle on such a plate ( 7 ) and the cartilage tissue growing in the cell space ( 1 ) grows into pores or surface roughness of the plate, whereby an implant forms which consists of a bone substitute plate ( 7 ) and a cartilage layer covering the plate and whereby the two implant parts are connected to each other in positively engaged manner by being grown together. |
isCitedBy |
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priorityDate |
1996-06-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
type |
http://data.epo.org/linked-data/def/patent/Publication |