Process of electrostatically coating a stent on a catheter
First Claim
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1. A method of coating a stent, comprising:
- permanently affixing a conductor to a catheter, said conductor extending along a longitudinal portion of said catheter;
mounting a metallic stent on said catheter, wherein said metallic stent contacts said conductor;
electrically charging a coating material and dispensing said charged coating material in proximity to said metallic stent; and
applying an electrical charge to said conductor, wherein said charged coating material is attracted to said metallic stent, whereby an exterior surface of said metallic stent is electrostatically coated with said coating material.
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Abstract
A process for electrostatically coating a stent on a catheter. A conductor which is permanently affixed to the catheter contacts a stent mounted on the catheter. Conductive ink applied to the catheter may be used as the conductor. An electrical charge is applied to the conductor. The stent is then coated using an electrostatic coating process.
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Citations
17 Claims
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1. A method of coating a stent, comprising:
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permanently affixing a conductor to a catheter, said conductor extending along a longitudinal portion of said catheter; mounting a metallic stent on said catheter, wherein said metallic stent contacts said conductor; electrically charging a coating material and dispensing said charged coating material in proximity to said metallic stent; and applying an electrical charge to said conductor, wherein said charged coating material is attracted to said metallic stent, whereby an exterior surface of said metallic stent is electrostatically coated with said coating material. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A method of coating a stent, comprising:
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permanently affixing a conductor to a balloon located at a distal end of a catheter, said conductor comprising conductive ink applied to an outer surface of said balloon and extending along a portion of said balloon; mounting a metallic stent on said balloon, wherein an inner surface of said metallic stent contacts said conductor; electrically charging a coating material and dispensing said charged coating material in proximity to said metallic stent; and applying an electrical charge to said conductor, wherein said charged coating material is attracted to said metallic stent, whereby an exterior surface of said metallic stent is electrostatically coated with said coating material; wherein at least a portion of said coating material is applied to said balloon and at least a portion of said inner surface of said stent is not coated by said coating material. - View Dependent Claims (17)
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Specification