Apparatus and methods for coating medical devices
AssigneeSurModics, Inc.
InventorsRalph A. Chappa, Andrew G. Bach, Mark MacGregor
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Abstract
Embodiments of the invention include apparatus and methods for coating drug eluting medical devices. In an embodiment, the invention includes a coating apparatus including a coating application unit comprising a movement restriction structure; a fluid applicator; and an air nozzle. The apparatus can further include a rotation mechanism and an axial motion mechanism, the axial motion mechanism configured to cause movement of at least one of the coating application unit and the rotation mechanism with respect to one another. Other embodiments are also included herein.
Claims12
1-24. (canceled)
A method of coating comprising:
- rotating a drug eluting balloon catheter with a rotation mechanism, the drug eluting balloon catheter comprising a balloon;
- contacting the balloon with a movement restriction structure defining a channel, wherein the channel limits lateral movement of the balloon;
- applying a coating solution onto the surface of the balloon with a fluid applicator;
- contacting the surface of the balloon with a fluid distribution bar;
- and
- blowing a stream of a gas onto the surface of the balloon.
Dependencies are inferred from the claim text.