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. 03, 1989
Filed:
Jun. 01, 1987
Kazuaki Kira, Kobe, JP;
Kanegafuchi Kagaku Kogyo Kabushiki Kaisha, Osaka, JP;
Abstract
An artificial vessel, wherein the vessel wall is made of an elastomer having a porous structure with pores at any part of the vessel wall from the inner surface to the outer surface and consists of at least 2 concentric layers, each layer having a substantially uniform porosity percentage, the inmost layer having a thickness of from 30 to 500 .mu.m and a porosity percentage of from 95 to 80% and other layers having a lower porosity percentage than that of the inmost layer, and the porosity of the whole vessel wall is from 90 to 75%. The artificial vessel may also be reinforced with tubular material made of fiber or with heat-set tubular material made of fiber. The artificial vessel of the present invention has a porosity, a compliance approximate to that of a vital vessel, and a contact surface with blood having an excellent blood compatibility.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile