Process for restoring an osseous defect or deficiency by filling with osseous tissue
US5204106A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 19, 1990 |
| Grant date | Apr 20, 1993 |
| Priority date | — |
| Expiry date | Apr 19, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2430/02
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Process for the restoration of an osseous defect or deficiency by filling with osseous tissue with the aid of a bioreactive granular material causing an osteostimulation, the particles of said granular material being disintegrated from the inside, dissolved and replaced by osseous tissue, the granular material containing 40 to 55% SiO.sub.2, 10 to 32% Na.sub.2 O, 0 to 12% P.sub.2 O.sub.5 and 10 to 32% CaO, which has a grain size distribution between 280 and 425 .mu.m, sharp edges, an irregular profile and surface microdefects or microcracks.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.