Method for spray-coating a medical device having tubular...

Details Method for spray-coating a medical device having tubular... Method for spray-coating a medical device having tubular...

2005-02-14

2008-11-25

Fletcher, III, William P. (Department: 1792)

Coating processes

Medical or dental purpose product; parts; subcombinations;...

Implantable permanent prosthesis

C427S457000, C427S458000, C427S469000, C427S476000, C427S002100, C427S485000, C427S427400

Reexamination Certificate

active

07455875

ABSTRACT:
A method for electrostatic spray-coating a medical device having a tubular wall, such as a stent, having an inner surface, an outer surface and openings therein. The tubular wall is grounded or electrically charged, and an electrically charged conductive core wire is located axially through the center of the stent. An electrical potential is applied to the conductive core wire to impart an electrical charge to the conductive core wire. The tubular wall is exposed to an electrically charged coating formulation, and the electrically charged coating formulation is deposited onto a portion of the tubular wall to form a coating. The electrical potentials of the conductive core wire and tubular wall can be repeatedly alternated.

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patent: 6355058 (2002-03-01), Pacetti et al.
patent: 6669980 (2003-12-01), Hansen

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