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:
Jul. 08, 2003
Filed:
Dec. 08, 2000
Yasuhiko Shimizu, Uji, JP;
Tapic International Co., Ltd., Tokyo, JP;
Abstract
An artificial tube for a nerve is disclosed that has a controlled rate of decomposition in the body such that the tube remains in the body until the nerve regenerates, which induces axons regenerated from severed nerve stumps to extend in the proper direction without pressing on the regenerated nerve following nerve regeneration and causes rapid restoration of blood flow by promoting infiltration of blood capillaries from the body to promote regeneration of the nerve, and which comprises a tube ( ) or ( ) having a coating layer ( ) or ( ) that is composed of gelatin or collagen on at least the outer surface of tube ( ) or ( ) that is composed of a material that is biodegradable and absorbable in vivo, wherein a pre-thermal dehydration crosslinking treated collagen fiber bundle (referring to a bundle fibers ( ) composed of collagen) is inserted in its lumen along the axis of the tube ( ) or ( ), and wherein the fibers composed of collagen are coated with laminin.