Cartilaginous and osteochondral substitute comprising multilayer structure and use thereof
US9155818B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 2, 2006 |
| Grant date | Oct 13, 2015 |
| Priority date | — |
| Expiry date | Jun 10, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L27/56
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention relates to a multilayer structure (1) including a first upper layer (2) consisting of an organic matrix including collagen and at least a lower layer (3, 4, . . . 10) consisting of a composite matrix including hydroxylapatite and collagen. Furthermore, the present invention relates to a cartilaginous substitute including said multilayer structure (1) as well as an osteochondral substitute including said multilayer structure (1). Finally, the present invention relates to the use of said multilayer structure (1) for the preparation of said cartilaginous substitute and said osteochondral substitute for the treatment of cartilaginous defects and osteochondral defects or for the neo-formation of a cartilaginous tissue and/or a subchondral bone tissue.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.