The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 07, 1984

Filed:

Jan. 25, 1982
Applicant:
Inventors:

Shigeo Niwa, Aichi, JP;

Kazuhiko Sawai, Nagoya, JP;

Shinobu Takahashi, Nagoya, JP;

Hideo Tagai, Tokyo, JP;

Mikiya Ono, Saitama, JP;

Yoshiaki Fukuda, Saitama, JP;

Hiroyasu Takeuchi, Saitama, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F / ; C01B / ;
U.S. Cl.
CPC ...
128 / ; 128 / ; 423308 ; 423309 ; 423311 ;
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.


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