Patent ID: 6306785
Filing Date: 2001-10-23
Classification: A61C,A61K,A61L,C03C,Y10S

Abstract:
A glass material for use in the manufacture of a living tissue replacement, having a crystallization temperature and a softening point which is lower than the crystallization temperature and exhibiting viscous flow at temperatures below its melting point, wherein said glass material is obtained by quenching a molten mass of glass raw materials, and wherein said glass material is a non-calcium phosphate system composition comprising silicon oxide, calcium oxide, and magnesium oxide, and the total content of silicon oxide, calcium oxide, and magnesium oxide, calculated as SiO.sub.2, CaO, and MgO, respectively, is at least 70% by weight of the composition, and the contents of the respective components are40 to 70% by weight of SiO.sub.2,20 to 50% by weight of CaO, and8 to 30% by weight of MgObased on said total content.