Patent ID: 9326948
Filing Date: 2016-05-03
CPC Classification: A61F,A61K,A61L

Claim Text:
1. A bone substitute comprising a core and a shell, the shell covering at least part of an exterior surface of the core, the core comprising one or more of hydroxyapatite and substituted hydroxyapatite, the core having a first porosity, the core having a pore structure and being derived from a first wood in such a way that the pore structure of the core corresponds to a pore structure of the first wood, the first wood being selected from the group consisting of rattan, pine, abachi and balsa wood, the shell comprising one or more of hydroxyapatite and substituted hydroxyapatite, the shell having a pore structure and being derived from a second wood in such a way that the pore structure of the shell corresponds to a pore structure of the second wood, the second wood having a porosity which is less than the porosity of the first wood, the second wood being selected from the group consisting of sipo, oak, rosewood and kempas, the shell being coated with a layer comprising collagen mineralized with hydroxyapatite.