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Hollow drug-filled stent and method of forming hollow drug-filled stent
US8998977B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8998977-B2 |
| Application number | US-201213447004-A |
| Country | US |
| Kind code | B2 |
| Filing date | Apr 13, 2012 |
| Priority date | Apr 13, 2012 |
| Publication date | Apr 7, 2015 |
| Grant date | Apr 7, 2015 |
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- Title
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Abstract
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A stent is formed from a wire having an outer member, a radiopaque member lining at least a portion of the outer member inner surface, and a lumen defined by the outer member inner surface or the radiopaque member inner surface. A substance is disposed in the lumen to be eluted through at least one opening disposed through the outer member to the lumen. The radiopaque member may be substantially continuous along the length of the wire or disposed only along portions of the wire such as crowns. In a method for making the stent, a composite wire including an outer member, a radiopaque intermediate member, and a core member is shaped into a stent pattern and processed to remove the core member and optionally portions of the radiopaque intermediate member, without damaging the outer member.
First claim
Opening claim text (preview).
What is claimed is: 1. A stent comprising: a hollow wire formed into a stent pattern, the wire having a wire outer surface and a wire inner surface, the wire inner surface defines a wire lumen, wherein prior to implantation in a body lumen the wire includes, a radiopaque member lining at least a portion of the wire inner surface, the radiopaque member having a radiopaque member inner surface and a radiopaque member outer surface contacting the wire inner surface, a radiopaque…
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- What does patent US8998977B2 cover?
- A stent is formed from a wire having an outer member, a radiopaque member lining at least a portion of the outer member inner surface, and a lumen defined by the outer member inner surface or the radiopaque member inner surface. A substance is disposed in the lumen to be eluted through at least one opening disposed through the outer member to the lumen. The radiopaque member may be substantiall…
- Who is the assignee on this patent?
- Bienvenu Ryan, Mitchell James, Thompson Dustin, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification A61F2/86. Mapped technology areas include Human Necessities.
- When was this patent published?
- Publication date Tue Apr 07 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).