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US 2001/0037145 A1Published application
Coated stent
OwnerJudy A. Guruwaiya, Deborra Sanders Millare +1inventors
InventorsJudy A. Guruwaiya, Deborra Sanders Millare, Steven Z-H Wu
Life of this patent
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Abstract
A pharmacological agent is applied to a stent in dry, micronized form over a sticky base coating. A membrane forming polymer, selected for its ability to allow the diffusion of the pharmacological agent therethrough, is applied over the entire stent.
Claims23
A method for coating a stent, comprising the steps of:
- providing a stent;
- applying a base layer of sticky material to selected surfaces of said stent;
- applying pharmacological agent in micronized, dry form to selected surfaces coated by said base layer;
- and
- applying a membrane forming polymer coating through which said pharmacological agent is able to diffuse to all surfaces of said stent.
2 more elements
A coated stent, comprising:
- an expandable structure;
- a base coating of sticky material;
- an intermediate coating of pharmacological agent in dry, micronized form;
- and
- an outer coating of membrane forming polymer through which said pharmacological agent is capable of diffusing.
2 more elements
Dependencies are inferred from the claim text.