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:
Dec. 12, 2000
Filed:
Aug. 30, 1999
Applicant:
Inventors:
Mai Huong Dang, Palo Alto, CA (US);
Phillip Chiu, San Francisco, CA (US);
Assignee:
CardioVasc, Inc., Menlo Park, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61L / ; C08J / ; H05H / ; H05H / ;
U.S. Cl.
CPC ...
427-224 ; 427-228 ; 427-23 ;
Abstract
A multi-step method for surface modification of a medical device having at least one surface exposed to tissue and/or blood. The steps comprise a low temperature plasma treatment of the said surface to provide a plasma deposited layer having functional groups. A chemical treatment of the plasma deposited layer using multifunctional linkers establishes covalent bonds with the plasma deposited layer. A bioactive/biocompatible agent react with the multifunctional linkers so that molecules thereof are covalently bound to said surface.