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:
Oct. 05, 1982
Filed:
Jan. 12, 1981
Applicant:
Inventor:
Roberto Parravicini, 20100 Milan, IT;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F / ;
U.S. Cl.
CPC ...
3-15 ; 137527 ; 1375278 ;
Abstract
An artificial cardiac valve of the type comprising a plastic material ring member (1) effective to act as a valve seat, encompassed by a plastic cloth outside ring (3) effective to act as an anchoring member for the yarns tying the cardiac valve to the host tissue. The valve is provided with a shutter member (4,4a) formed by two arcuate valves (4,4a) each provided at the central zone of the edge provided for resting on the valve seat ring (1) with two thin lugs (5). The valve seat ring (1) is provided with seats (9,9') formed in the walls thereof at diametrically opposed positions, effective to freely receive the lugs (5). The valve is particularly useful as an aortic or mitral valve.