Method for filling in defects or hollow portions of bones
US4429691A · kind A · utility
84Cited by
4References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 25, 1982 |
| Grant date | Feb 7, 1984 |
| Priority date | — |
| Expiry date | Jan 25, 2002 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2430/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A filler for filling in defects or hollow portions of bones to coalesce with the bone tissues is provided which comprises powders of a calcium phosphate compound having the apatite crystalline structure of each crystal grain size of from 50 .orgate. to 10 microns and represented by the following general formula of Ca.sub.m (PO.sub.4).sub.n OH (1.33.ltoreq.m/n.ltoreq.1.95); and said powders being adapted for filling in a fluidized or plasticized state. A method of treating a bone with the filler is also provided wherein at least a portion of said filler is filled in to reach the bone-marrow cavity of said bone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.