Stent

• US 20040143320A1
• Filed: 08/12/2003
• Published: 07/22/2004
• Est. Priority Date: 08/13/2002
• Status: Active Grant

• Current Assignee: Abbott Laboratories Vascular Enterprises Limited (Abbott Laboratories)
• Original Assignee: Abbott Laboratories Vascular Enterprises Limited (Abbott Laboratories)
• Inventors: Calisse, Jorge
• Granted Patent: US 7,914,571 B2
• Time in Patent Office: Days
• US Class Current: 623/1.34
• CPC Class Codes: A61F 2/90 characterised by a net-like or mesh-like structure
• CPC Class Codes: A61F 2220/0041 using additional screws, bolts, dowels or rivets, e.g. connecting screws
• CPC Class Codes: A61F 2220/0058 soldered or brazed or welded

Abstract

A stent is configured having a tubular, flexible body. The body of the stent has a wall which is formed by a web structure. The stent further contains a portion with radiopaque material. This radiopaque material is integrated in the material of the body of the stent.

Claims

1. A stent comprising:

a tubular, flexible body having a wall and having a radiopaque portion characterized in that the radiopaque material of the radiopaque portion is integrated in the material of the body.

2. The stent according to claim 1, wherein

at least one forehead portion of the body is configured to have at least one portion including the radiopaque material.

3. The stent according to claim 2, wherein

the body comprises at least one hole containing the radiopaque material.

4. The stent according to claim 3, wherein

the hole of the body is a blind hole.

5. The stent according to claim 4, wherein

the hole is arranged to be axially orientated extending from the foreside part of the body.

6. The stent according to one of the claim 5, wherein

the holes containing the radiopaque material are closed at least one side.

7. The stent according to claim 6, wherein

the holes are closed by riveting, welding, sticking or the like.

8. The stent according to claim 7, wherein

the flexible body comprises a wall formed by a web structure.

9. The stent according to claim 8, wherein

the radiopaque material consists of a material from a group of platinum, gold, niobium, tantalum, barium sulfate powder or a polymer containing one of the before-mentioned materials.

10. The stent according to claim 9, wherein

the body consists of a material from a group of stainless steel, nitinol, polymers or any other suitable biocompatible materials.

11. The stent according to claim 1, wherein

the body comprises at least one hole containing the radiopaque material.

12. The stent according to claim 3, wherein

the hole is arranged to be axially orientated extending from the foreside part of the body.

13. The stent according to one of the claim 3, wherein

the holes containing the radiopaque material are closed at least one side.

14. The stent according to one of the claim 4, wherein

the holes containing the radiopaque material are closed at least one side.

15. The stent according to claim 1, wherein

the body consists of a material from a group of stainless steel, nitinol, polymers or any other suitable biocompatible materials.

16. The stent according to claim 1, wherein

the flexible body comprises a wall formed by a web structure.

17. The stent according to claim 1, wherein

the radiopaque material consists of a material from a group of platinum, gold, niobium, tantalum, barium sulfate powder or a polymer containing one of the before-mentioned materials.