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Process for making electroformed stents

United States Patent

6,019,784
February 1, 2000
View the Complete Patent at the US Patent & Trademark Office
Sandia National Laboratories - Visit the Intellectual Property Management and Licensing Website
This invention is directed to an expandable stent useful for implantation into an artery or the like. The stents are made using electroforming techniques in which an electrically-conductive mandrel is coated with a suitable resist material, after which the resist is exposed to an appropriate light pattern and frequency so as to form a stent pattern in the resist. The mandrel is then electroplated with a suitable stent material. The mandrel is etched away once a sufficient layer of stent material is deposited, leaving a completed stent.
Hines; Richard A. (Stilwell, KS)
Electroformed Stents, Inc. (Stillwell, KS)
08/ 819,757
April 3, 1997
The U.S. Government has rights in this invention pursuant to contract number DE-AC04-76-DP00613 with the United States Department of Energy.