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:
Jun. 03, 2014
Filed:
Feb. 02, 2009
Michiko Suzuki, Ohtsu, JP;
Fumihiko Kajii, Ohtsu, JP;
Hidenori Tanaka, Ohtsu, JP;
Susumu Kashiwabara, Ohtsu, JP;
Michiko Suzuki, Ohtsu, JP;
Fumihiko Kajii, Ohtsu, JP;
Hidenori Tanaka, Ohtsu, JP;
Susumu Kashiwabara, Ohtsu, JP;
Toyo Boseki Kabushiki Kaisha, Osaka-shi, JP;
Abstract
The present invention provides a nerve regeneration-inducing tube in which collagen having excellent adhesive property, cell growth property and differentiation inducing property to nerve cells is used as a scaffold for the nerve regeneration. The nerve regeneration-inducing tube is characterized in using the collagen which is made the concentration of sodium chloride contained therein not more than 2.0% by weight or, preferably, 0.1 to 1.5% by weight in a dry state. Purification of collagen is carried out by means of an isoelectric precipitation where the pH is 6.0 or higher and is lower than 10.0.