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:
May. 28, 2002
Filed:
Dec. 31, 1998
Applicant:
Inventors:
Paul J. Fordenbacher, Minneapolis, MN (US);
Avrom M. Brendzel, Roseville, MN (US);
A. Tanya Shipkowitz, St. Paul, MN (US);
Stephen A. Petersen, Lincoln, RI (US);
Assignee:
St. Jude Medical, Inc., St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F 2/06 ;
U.S. Cl.
CPC ...
A61F 2/06 ;
Abstract
Mechanical heart valve prostheses are disclosed that inherently reduce the probability of thrombus formation by minimizing blood flow disturbance, high shear stress, and stagnation. The pivot configuration includes a recess, preferably in the housing, that has a profile which promotes smooth blood flow.