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. 06, 1985
Filed:
Jan. 09, 1984
Robert L Kaster, Plymouth, MN (US);
Angicor Limited, Minneapolis, MN (US);
Abstract
In a prosthetic heart valve having a free floating, rotatable, pivotable disk occluder for blocking a flow of fluid therethrough, an improvement comprising the provision of a disk occluder (12) having a substantially convex distal surface (39) and a substantially planar proximal surface (38) having a concentrically disposed well (42) formed therein. A proximal positioned control unit (21) and a distal positioned control unit (22) are provided for cooperative interaction with the disk occluder (12) to support the disk occluder (12) in the occlude and non-occlude mode and to provide a pivot guide for transition between the occlude to non-occlude mode and for the transition between the non-occlude to the occlude mode.