Filler for filling in defects or hollow portions of bones
US4497075A · kind A · utility
97Cited by
6References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 1, 1982 |
| Grant date | Feb 5, 1985 |
| Priority date | — |
| Expiry date | Mar 1, 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 crystallite size of 400 .ANG. or larger and of each crystal grain size of 3 .mu.m or smaller, said calcium phosphate compound being 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 fluidized or plasticized.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.