Method for spray-coating medical devices
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United States of America Patent
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Dec 30, 2003
Grant Date -
Mar 20, 2003
app pub date -
Sep 18, 2001
filing date -
Sep 18, 2001
priority date (Note) -
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Abstract
A method for spray-coating a medical device by using a nozzle apparatus having a chamber that is connected to at least one opening for dispensing a coating formulation. Such method comprises (a) grounding the surface of the medical device that is to be coated and (b) applying a coating formulation, which comprises a polymeric material and a solvent, by (1) providing the nozzle apparatus comprising a chamber connected to at least one opening for dispensing the coating formulation; (2) placing the coating formulation into the chamber; (3) electrically charging the coating formulation; (4) creating droplets of the electrically charged coating formulation; and (5) depositing the droplets of coating formulation onto the grounded surface to form a coating on the surface.
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