VESSEL IMPLANT FOR THE TREATMENT OF AN ANEURYSM

• US 20130310922A1
• Filed: 07/29/2013
• Published: 11/21/2013
• Est. Priority Date: 04/23/2007
• Status: Active Grant

• Current Assignee: Berchtold Holding Gmbh (Stryker Corporation)
• Original Assignee: Berchtold Holding Gmbh (Stryker Corporation)
• Inventors: Stengel, Max
• Granted Patent: US 10,646,360 B2
• Time in Patent Office: Days
• US Class Current: 623/1.16
• CPC Class Codes: A61F 2/07 Stent-grafts
• CPC Class Codes: A61F 2/82 Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents stent-grafts for tubular structures of the body other than blood vessels A61F2/04; stent-grafts for blood vessels A61F2/07; instruments specially adapted for placement or removal of stents or stent-grafts A61F2/95; for closing wounds, or holding wounds closed A61B17/04 - A61B17/115; dilators A61M29/00
• CPC Class Codes: A61F 2/848 having means for fixation to the vessel wall, e.g. barbs
• CPC Class Codes: A61F 2/90 characterised by a net-like or mesh-like structure
• CPC Class Codes: A61F 2002/065 Y-shaped blood vessels
• CPC Class Codes: A61F 2230/005 Rosette-shaped, e.g. star-shaped
• CPC Class Codes: A61F 2250/0039 differing in diameter
• CPC Class Codes: A61F 2250/0069 Sealing means

Abstract

A vessel implant for the treatment of an aneurysm, i.e. a dilatation of the cross-sectional area of a blood vessel, may include an elongate body having an inlet opening, an outlet opening, and a passage connecting the inlet opening to the outlet opening for the blood flowing through the blood vessel. The passage may be bounded in the peripheral direction by a blood-impermeable wall and the inlet opening may have a larger cross-sectional area than the outlet opening. The body may be provided with blood-permeable fixing means for the end of the body at the outlet opening side. The fixing means may be designed for contact with the vessel wall of the blood vessel. The fixing means may be designed to hold the body spaced apart from the vessel wall of the blood vessel in the region of the outlet opening.

Claims

1. A vessel implant for the treatment of an aneurysm, i.e. a dilatation of the cross-sectional area of a blood vessel, comprising an elongate body having an inlet opening, an outlet opening, and a passage connecting the inlet opening to the outlet opening for the blood flowing through the blood vessel, the passage being bounded in the peripheral direction by a blood-impermeable wall, characterized in that the inlet opening has a larger cross-sectional area than the outlet opening,

wherein the body is provided with blood-permeable fixing means for the end of the body at the outlet opening side, said fixing means being designed for contact with the vessel wall of the blood vessel, and said fixing means being designed to hold the body spaced apart from the vessel wall of the blood vessel in the region of the outlet opening.

2. A vessel implant in accordance with claim 1, characterized in that the body, a section of the body located between the inlet opening and the outlet opening and/or the passage converges/converge from the inlet opening toward the outlet opening.

3. A vessel implant in accordance with claim 2, characterized in that the convergence is uniform, continuous and/or conical.

4. A vessel implant in accordance with claim 1, characterized in that the body is designed for contact with the vessel wall of the blood vessel in the region of the inlet opening and/or at a section of the body adjoining the inlet opening.

5. A vessel implant in accordance with claim 4, characterized in that the section of the body adjoining the inlet opening is cylindrical.

6. A vessel implant in accordance with claim 4, characterized in that the section of the body adjoining the inlet opening has a blood permeable wall.

7. A vessel implant in accordance with claim 1, characterized in that the outer dimension of the body is dimensioned in the region of the outlet opening such that the body is spaced apart from the vessel wall of the blood vessel in the region of the outlet opening.

8. A vessel implant in accordance with claim 1, characterized in that the fixing means are provided at the body in the region of the outlet opening.

9. A vessel implant in accordance with claim 1, characterized in that the fixing means are made as a mesh, as a plurality of fixing elements respectively projecting from the body with a radial component and/or as a conical stent.

10. A vessel implant in accordance with claim 1, characterized in that the body or a part thereof is made in one piece with the fixing means.

11. A vessel implant in accordance with claim 1, characterized in that the wall of the body is rigid, flexible or partly rigid and partly flexible.

12. A vessel implant in accordance with claim 1, characterized in that the vessel implant, in particular the body or the wall of the body, is made in multiple parts.

13. A vessel implant in accordance with claim 1 having a first body in combination with a second said vessel implant having a second body, said first and second bodies being connected to one another at a branch of the vessel implant in the region of their respective entry openings.

14. A vessel implant in accordance with claim 13, characterized in that the first body and the second body have a common section adjoining the branch for contact with the vessel wall of the blood vessel.