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:
Jun. 13, 1995
Filed:
Aug. 23, 1993
Applicant:
Inventors:
Pietro Arru, Turin, IT;
Stefano Rinaldi, Parma, IT;
Marco Santi, Turin, IT;
Franco Vallana, Turin, IT;
Assignee:
Sorin Biomedica S.p.A., , IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F / ;
U.S. Cl.
CPC ...
623-1 ; 623 66 ; 623-2 ; 623-3 ; 604266 ;
Abstract
There are disclosed devices for conditioning a blood flow which include at least one element with portions which are exposed to the blood and are deformable cyclically at a frequency comparable to the frequency of the heartbeat, in which the cyclically deformable portions have a continuous coating of biocompatible carbonaceous material comprised of carbon crystals having a density of greater than 2.1 grams per cubic centimeter applied by sputtering directly on and completely covering at least those portions of the device which are exposed to the blood.