Combination of a vascular prosthesis and retaining element

• US 20090132029A1
• Filed: 01/21/2009
• Published: 05/21/2009
• Est. Priority Date: 02/01/2001
• Status: Abandoned Application

• Current Assignee: Helmut Zuhlke
• Original Assignee: Helmut Zuhlke
• Inventors: Zuhlke, Helmut
• Application Number:
  US12/320,190
• Publication Number:
  US 20090132029A1
• Time in Patent Office: Days
• US Class Current: 623/1.360
• 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 2/95 Instruments specially adapted for placement or removal of stents or stent-grafts

Abstract

A combination of a vascular prosthesis and retaining element, whereby a tubular retaining element (2) is arranged on at least one end of the vascular prosthesis (1), such that the above at least partly extends into the vascular prosthesis (1).

Claims

1. A method for treatment of chronic occlusive arterial diseases, comprising the steps of:

opening a vessel proximally to an area to be treated;

peeling off and disobliterating an intimal cylinder;

with a catheter, introducing combination of a vascular endoprosthesis and a tubular retaining element located at a distal end of the vascular endoprosthesis, wherein the tubular retaining element is coupled with the vascular endoprosthesis only at a distal end of the vascular endoprosthesis and no tubular retaining element is coupled with the vascular endoprosthesis at a proximal end of the vascular endoprosthesis, the tubular retaining element projecting at least partially into the vascular endoprosthesis, and the proximal end of the endoprosthesis is configured to be sewed to the vessel to be treated,

pushing the retaining element outwardly so as to project outwardly from the vascular endoprosthesis over a remaining muscle layer;

expanding the retaining element;

retracting the catheter; and

sewing the proximal end of the vascular endoprosthesis to the vessel.

2. The method according to claim 1, wherein the tubular retaining element projects at least partially into the inner lumen of the vascular endoprosthesis.

3. The method according to claim 1, wherein the tubular retaining element projects distally out of the vascular endoprosthesis.

4. The method according to claim 3, wherein the tubular retaining element is arranged by more than 50% of its length within the vascular endoprosthesis.

5. The method according to claim 1, the vascular endoprosthesis is an endoluminal vascular prosthesis.

6. The method according to claim 1, wherein the vascular endoprosthesis is firmly connected with the tubular retaining element.

7. The method according to claim 1, wherein the vascular endoprosthesis is made of PTFE or double Dacron velour.

8. The method according to claim 1, wherein the vascular endoprosthesis has a tapering form.

9. The method according to claim 1, wherein the tubular retaining element is compressible and radially expandable.

10. The method according to claim 1, wherein the tubular retaining element comprises at least one of at least one plastic material, at least one metal selected from the group consisting of iron, tantalum, titanium, niobium, and platinum and an alloy, the alloy consisting of at least one metal selected from the group consisting of iron, tantalum, titanium, niobium, and platinum combined with at least another metal.

11. The method according to claim 1, wherein at least a part of the tubular retaining elements is a stent.

12. The method according to claim 10, wherein the another metal is Nitinol.