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:
Apr. 12, 2011
Filed:
Jan. 30, 2007
Applicants:
Satoshi Miyauchi, Tokyo, JP;
Tatsuya Miyazaki, Tokyo, JP;
Satoshi Matsuzaka, Tokyo, JP;
Inventors:
Assignee:
PG Research Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12N 5/071 (2010.01); A61K 38/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
To obtain an artificial cartilage tissue having high strength and biocompatibility. There is provided an artificial cartilage tissue which is substantially free of heterologous protein and is substantially free of scaffold derived from non-cartilage-derived cells, but contains mammalian cartilage-derived cells and an extracellular matrix formed by the cartilage-derived cells, where: (1) the water retention per mg of tissue dry weight is 17.8 mg or less; (2) collagen of 5.57 μg or more per mg of tissue wet weight is contained; (3) proteoglycan of 9.22 μg or more per mg of tissue wet weight is contained.