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. 03, 1987
Filed:
Nov. 13, 1984
Applicant:
Inventors:
Assignee:
American Hospital Supply Corporation, Evanston, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F / ; A61F / ; A61F / ;
U.S. Cl.
CPC ...
623 11 ; 623-1 ; 623-2 ; 623 66 ; 8 9411 ;
Abstract
A process for the preparation of implantable biological tissue, and in particular bioprosthetic heart valves, which are prone to calcification after implantation. The process includes treatment of tissue with solutions prior to implantation which have been found effective in reducing calcification of the implanted tissue.
Published as:
FR2523810A1; WO8303335A1; JPS59500613A; EP0105290A1; EP0105290B1; DE3367067D1; US4647283A; US4648881A; IT1161803B; CA1221641A; JPS62270163A; FR2523810B1; JPH0321521B2; JPH0430868B2;