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US 2006/0155361 A1Published application
Stent with rough surface and its manufacture
AssigneeAbbott Laboratories Vascular Enterprises Limited
InventorsAlbert Schomig, Adnan Kastrati, Randolf Von Oepen
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Abstract
A stent is provided wherein at least an outer surface portion is roughened to a predetermined extent and wherein a drug or a therapeutic agent can be applied to said surface. This results in an improved stent, which can be manufactured at low costs and which can further avoid thrombus formation and a stenosis.
Claims20
A stent system for placement in a body lumen which is expandable from a contracted state to an expanded state, comprising:
- a stent having an exterior surface, an interior surface and side surfaces,
- wherein at least a portion of the exterior surface is roughened to a predetermined extent for coating with a drug.
A method for fabricating a stent for placement in a body lumen, the method comprising the following steps:
- a) forming a tube which can be deployed from a contracted state to an expanded state, the stent having an exterior surface, an interior surface and side surfaces;
- b) roughening of at least a portion of the exterior surface to a predetermined extent;
- and
- c) coating of said surface with a drug.
1 more element
Dependencies are inferred from the claim text.