Filler for filling in defects or hollow portions of bones

Compositions: coating or plastic – Coating or plastic compositions – Alkali metal silicate containing

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106306, 128 92R, 128 92C, 128 92G, 423308, 423309, 423311, 501 1, A61F 124, C01B 2532

Patent

active

044970757

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
.ltoreq.1.95), and said powders being fluidized or plasticized.

REFERENCES:
patent: 3737516 (1973-06-01), Jenner
patent: 4046858 (1977-09-01), Barsa et al.
patent: 4097935 (1978-07-01), Jarcho
patent: 4149894 (1979-04-01), Ebihara et al.
patent: 4324772 (1982-04-01), Conn et al.
patent: 4330514 (1982-05-01), Nagai et al.

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