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. 30, 1979
Filed:
Jan. 27, 1978
Applicant:
Inventor:
Richard J Batten, Yorba Linda, CA (US);
Assignee:
Shiley Scientific, Inc., Irvine, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
A61F / ;
U.S. Cl.
CPC ...
3-15 ;
Abstract
This invention relates to improvements in a tri-cuspid tissue prosthetic heart valve having a valve body with sewing holes provided at each interval between the cusps of the valve, which improvements are realized by the formation of the tissue from three pieces joined together at seams disposed along the intervals between the cusps of the valve.