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:
Sep. 06, 1983
Filed:
Aug. 25, 1982
Applicant:
Inventors:
Elisabeth M Pollock, Sandy, UT (US);
David J Lentz, Salt Lake City, UT (US);
Assignee:
Extracorporeal Medical Specialties, Inc., King of Prussia, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F / ;
U.S. Cl.
CPC ...
8 9411 ; 3-1 ; 3-14 ; 3-15 ;
Abstract
Natural tissues fixed with a tanning solution such as glutaraldehyde and intended for implantation in humans, e.g., porcine heart valve prosthetic devices, are treated with a solution of a water soluble phosphate ester such as sodium dodecyl hydrogen phosphate to inhibit mineralization, particularly calcification, of the tissue after implantation.