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US 6,387,123 B1Granted
Stent with radiopaque core
AssigneeAdvanced Cardiovascular Systems, Inc.
InventorsJames M. Jacobs, Ryan John Santos
Life of this patent
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Abstract
A stent configuration wherein a radiopaque material is completely encapsulated in a skin of biocompatible material to prevent the exposure of radiopaque materials to living tissue and to prevent galvanic corrosion between disparate metals. The stent is initially formed and rendered radiopaque after which all surfaces are coated with the biocompatible material.
Claims12
A radiopaque stent, comprising:
- radiopaque central core structure defining the shape of said stent, wherein said radiopaque central core structure includes a low radiopacity solid core formed of structural material having a coating of radiopaque material applied thereover;
- and
- a biocompatible outer layer fully encapsulating said core structure;
- wherein the encapsulated stent is annealed to create grain structure in the outer layer.
1 more element
Dependencies are inferred from the claim text.