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. 06, 1999
Filed:
May. 24, 1996
Applicant:
Inventors:
Tammi E Klostermeyer, Austin, TX (US);
Joseph A Sauter, Austin, TX (US);
Louis A Campbell, Austin, TX (US);
Assignee:
Sulzer Carbomedics Inc., Austin, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F / ;
U.S. Cl.
CPC ...
623-2 ;
Abstract
A combined heart valve and vascular graft, or 'valve/graft combination', wherein the heart valve has a sewing ring that is substantially impervious to blood flow. In our preferred embodiment, the sewing ring comprises a solid circular silicone insert which supports the sewing ring radially outwardly form the valve and forms a shield to prevent the flow of blood through the sewing ring.