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:
Sep. 10, 1996
Filed:
Dec. 22, 1994
George X Guo, Dove Canyon, CA (US);
Robert Stobie, Mission Viejo, CA (US);
Baxter International Inc., Deerfield, IL (US);
Abstract
A bileaflet mechanical cardiovascular valve comprising an annular valve body having a pair of occluder leaflets pivotally mounted therewithin. The occluder leaflets are pivotally mounted within the valve body by the snap-fitting of ear member which extend from the top and bottom ends of the occluder leaflets into corresponding cropped pivot slots formed within the annular valve body. Each cropped pivot slot comprises a spheroidal depression or recess having a first flat cropped edge and a second flat cropped edge. The ear members of the occluder leaflets are sized and configured relative to the cropped pivot slots to facilitate opening and closing of the occluder leaflets with minimal likelihood of hemolysis or thrombotic complications. Additionally disclosed is a specialized machine tool and method for machining the cropped pivot slots in the annular valve body.