Patent · US Expired

Process for restoring an osseous defect or deficiency by filling with osseous tissue

US5204106A · kind A · utility

170Cited by
3References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 19, 1990
Grant dateApr 20, 1993
Priority date
Expiry dateApr 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.