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.
Patent No.:
Date of Patent:
Oct. 24, 2000
Filed:
Jan. 12, 1999
Applicant:
Inventors:
Feng-Huei Lin, Taipei, TW;
Chun-Jen Liao, Taipei, TW;
Assignee:
Purzer Pharmaceutical Co., Ltd., Taipei, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F / ; A61F / ; A61F / ; A01N / ;
U.S. Cl.
CPC ...
623 16 ; 623 17 ; 523113 ; 514324 ;
Abstract
A process for preparing porous bioceramic materials includes the following steps: (a) using the cancellous bone of animals, (b) removing organic substances in the cancellous bone by thermal processing to obtain de-organic cancellous bone, (c) soaking the de-organic cancellous bone in a solution of phosphate salts, and (d) obtaining porous bioceramic materials by sintering up to 900.degree. C. or higher after dehydration. The porous bioceramic materials of the present invention are suitable for use as filling materials for bone defect.