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:
May. 11, 2004

Filed:

Aug. 06, 2002
Applicant:
Inventors:

Keita Abe, Tokyo, JP;

Masanori Nakasu, Tokyo, JP;

Ichiro Ono, Minami-ku, Sapporo-shi, Hokkaido, JP;

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F 2/02 ; B29B 1/114 ;
U.S. Cl.
CPC ...
A61F 2/02 ; B29B 1/114 ;
Abstract

A method for forming an implant having a desired shape includes the steps of (a) forming a layer of ingredient powder having a predetermined thickness composed of an ingredient powder, and (b) applying an reactant liquid to the layer in accordance with the desired shape of the implant, portions of the ingredient powder reacting with the reactant liquid being hardened. The above steps are repeated to stack a plurality of the layers having hardened portions, respectively, to form a three-dimensional implant formed by a stack of the hardened portions of the layers of the ingredient powder. The ingredient powder is a powder including at least one of a-tricalcium phosphate and tetracalcium phosphate, and a Ca/P ratio of the powder is within a range of 1.40 through 2.0.


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