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. 15, 2003
Filed:
Apr. 03, 2002
Applicant:
Inventors:
Yasuhiko Shimizu, Uji-shi, Kyoto, JP;
Tatsuo Nakamura, Kyoto, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F 2/02 ;
U.S. Cl.
CPC ...
A61F 2/02 ;
Abstract
The present invention has an object to provide an artificial trachea that is able to be used safely in the clinical application, and especially an artificial trachea for the intrathoracic trachea, and the artificial trachea comprises a polypropylene mesh tube for the base material, around the outer periphery of which a polypropylene filamentous stent is wound in a spiral shape, an amorphous collagen thin layer formed on the surface of the base material, and a fine fibrous collagen layer ( ) formed on the inner and outer surface of the amorphous collagen thin layer, to which thermal dehydration crosslinking is performed.