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:
Nov. 17, 1992
Filed:
Feb. 21, 1991
Applicant:
Inventors:
Maria Curcio, Saluggia, IT;
Enrico Pasquino, Turin, IT;
Stefano Rinalki, Parma, IT;
Franco Vallana, Turin, IT;
Assignee:
Sorin Biomedica SpA, Saluggia, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F / ;
U.S. Cl.
CPC ...
623-2 ; 623900 ;
Abstract
In a suture ring for heart valve prostheses, the internal surface of the ring which is intended to be exposed to the blood flow is covered by a substantially water-repellent material so that it absorbs substantially no blood and has little haemolytic effect. The outer surface of the ring which is intended to be exposed to the tissue to which the prosthesis is sutured is covered by a substantially hydrophilic, porous material so as to encourage the colonization of the ring by the tissue.