COVERED STENT
First Claim
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1. A stent comprising:
- a substantially elongated scaffold formed by a plurality of cells comprising a plurality of interlinked struts, said scaffold having two longitudinally opposed ends;
at least two protrusions, at least one of said at least two protrusions being structurally attached to at least one of said plurality of cells at one of said two longitudinally opposed ends, and at least another of said at least two protrusions being structurally attached to at least one of said plurality of cells at another of said two longitudinally opposed ends;
each of said at least two protrusions defining a cavity extending therethrough; and
a cover attached to said scaffold by an adhesive, said adhesive being located within the cavities to secure said cover to said scaffold at the protrusions.
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Abstract
A stent to be used in an intraluminal cavity is disclosed. The stent comprises an elongated scaffold formed by a plurality of cells formed by a plurality of interlinked struts. In some embodiments, the scaffold comprises two longitudinally opposed ends, each of the ends having at least one protrusion that can be used to secure a cover to the stent. Each protrusion defines a cavity extending therethrough. The cover is secured to the scaffold at the protrusion by an adhesive extending through the cavity. Alternatively, the scaffold comprises at least two protrusions or segments, each defining a cavity for securing one end of the cover to the scaffold.
12 Citations
17 Claims
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1. A stent comprising:
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a substantially elongated scaffold formed by a plurality of cells comprising a plurality of interlinked struts, said scaffold having two longitudinally opposed ends; at least two protrusions, at least one of said at least two protrusions being structurally attached to at least one of said plurality of cells at one of said two longitudinally opposed ends, and at least another of said at least two protrusions being structurally attached to at least one of said plurality of cells at another of said two longitudinally opposed ends; each of said at least two protrusions defining a cavity extending therethrough; and a cover attached to said scaffold by an adhesive, said adhesive being located within the cavities to secure said cover to said scaffold at the protrusions. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16)
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11. The stent of claim 11, wherein said plurality of protrusions are attached to every second cell from said plurality of cells at each of said two longitudinally opposed ends.
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17. A stent comprising:
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a substantially elongated scaffold formed by a plurality of cells comprising a plurality of interlinked struts, said scaffold having two longitudinally opposed ends; a cover attached to said scaffold; and at least two protrusions or segments each structurally attached to at least one of said plurality of cells, at least one of said protrusions or segments for securing one end of said cover, at least another of said protrusions or segments for securing another end of said cover, each of said at least two protrusions or segments defining a cavity extending therethrough; wherein said cover is attached to said scaffold using an adhesive, said adhesive being located within the cavities to secure said cover to said scaffold at the protrusions or segments.
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Specification