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:
Aug. 18, 1992
Filed:
Aug. 15, 1990
Applicant:
Inventor:
Francis Robicsek, Charlotte, NC (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F / ;
U.S. Cl.
CPC ...
623-1 ; 623-2 ;
Abstract
An ascending aortic prothesis has a root wall portion with annularly spaced bulges simulating the sinuses of Valsalva to provide a more natural functioning of the aortic valve following surgery to implant such prothesis in comparison to conventional aortic protheses which are of uniform tubular diameter.