Stent having cover with drug delivery capability
First Claim
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1. A prosthesis, comprising:
- a stent having an outer periphery;
a cover provided about the outer periphery of the stent, the cover comprising at least two layers of materials, with at least one layer of material being permeable to drugs; and
a drug dispersing element coupled to the cover.
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Abstract
A prosthesis has a stent, and a cover that covers a portion of the stent. The cover has at least two layers of materials that can define at least one chamber therebetween, with a drug loaded into the at least one chamber by a dug dispersing element. The cover can be provided inside the luminal walls of the stent, or the stent can be retained in the at least one chamber. The cover can also be deployed to treat vulnerable plaque.
211 Citations
15 Claims
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1. A prosthesis, comprising:
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a stent having an outer periphery;
a cover provided about the outer periphery of the stent, the cover comprising at least two layers of materials, with at least one layer of material being permeable to drugs; and
a drug dispersing element coupled to the cover. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A prosthesis, comprising:
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a stent having an inner periphery that defines a lumen;
a cover provided about the inner periphery of the stent, the cover comprising at least two layers of materials that are positioned inside the lumen of the stent, with at least one layer of material being permeable to drugs; and
a drug dispensing element courled to the cover. - View Dependent Claims (10, 11)
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12. A prosthesis, comprising:
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a stent having an inner periphery that defines a lumen; and
a cover provided about the inner periphery of the stent, the cover comprising at least two layers of materials that are positioned inside the lumen of the stent, with at least one layer of material being permeable to drugs.
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13. A prosthesis, comprising:
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a stent;
a cover that extends across a portion of the stent, the cover comprising at least two layers of materials that are completely sealed to define at least one chamber therebetween; and
a radioactive material provided inside the at least one chamber. - View Dependent Claims (14, 15)
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Specification