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:
Mar. 16, 1982
Filed:
Oct. 24, 1979
Applicant:
Inventor:
Robert L Kaster, Plymouth, MN (US);
Assignee:
Other;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61F / ;
U.S. Cl.
CPC ...
3-15 ; 1375278 ;
Abstract
Heart valve including an annular valve body having an inner wall defining a blood flow passage, a guide strut including an integral pivot surface extending radially inward of the valve body and a disc occluder having a central aperture engaged over the disc guide strut, a disc stop extending radially inward of the valve body opposite the guide strut, and pivot projections extending radially inward of the valve body and equally spaced from the guide strut whereby the disc pivots between occluding and non-occluding surfaces in response to downstream blood pressure gradients across the disc.