Vascular device for aneurysm treatment and providing blood flow into a perforator vessel

• US 9,157,174 B2
• Filed: 03/14/2013
• Issued: 10/13/2015
• Est. Priority Date: 02/05/2013
• Status: Active Grant

• Current Assignee: Covidien LP (Medtronic Plc)
• Original Assignee: Covidien LP (Medtronic Plc)
• Inventors: Kusleika, Richard S.
• Primary Examiner(s): Shay, Randy
• Assistant Examiner(s): BARIA, DINAH N
• Application Number:
  US13/826,147
• Publication Number:
  US 20140222130A1
• Time in Patent Office: 943 Days
• Field of Search: 623/1.53
• US Class Current: 1/1
• CPC Class Codes: A61B 17/12036 partial occlusion
• CPC Class Codes: A61B 17/12109 in a blood vessel
• CPC Class Codes: A61B 17/12113 within an aneurysm
• CPC Class Codes: A61B 17/12172 having a pre-set deployed three-dimensional shape methods of manufacturing A61B2017/00526
• CPC Class Codes: A61B 2017/00526 Methods of manufacturing
• CPC Class Codes: A61B 2017/00867 shape memory effect
• CPC Class Codes: A61B 2017/1205 Introduction devices
• CPC Class Codes: A61F 2/844 folded prior to deployment
• CPC Class Codes: A61F 2/856 Single tubular stent with a side portal passage
• CPC Class Codes: A61F 2/86 Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
• CPC Class Codes: A61F 2/90 characterised by a net-like or mesh-like structure
• CPC Class Codes: A61F 2002/823 Stents, different from stent-grafts, adapted to cover an aneurysm
• CPC Class Codes: D04C 1/02 made from particular materials
• CPC Class Codes: D04C 1/06 Braid or lace serving particular purposes

Abstract

A vascular device includes a body having a first, collapsed configuration and a second, expanded configuration. The body includes a plurality of heat-set strands that are braided such that when the body is in the second configuration, the strands form a plurality of pores and one or more apertures between the strands. The apertures are generally disposed at a longitudinal center region of the body. When the body is in the second configuration, the pores at proximal and distal portions of the body are generally uniform in size and smaller in size than the apertures. The pores and the apertures are substantially the same size when the body is in the first configuration.

Claims

1. A vascular device, comprising:

a body having a first, collapsed configuration and a second, expanded configuration, the body comprised of strands;

wherein the strands are braided such that when the body is in the second configuration, the strands form pores and apertures between the strands;

wherein the apertures are disposed at a longitudinal center region of the body;

wherein, when the body is in the second configuration, the pores at proximal and distal portions of the body are generally uniform in size and smaller in size than the apertures; and

wherein the pores and the apertures are substantially the same size as each other when the body is in the first configuration;

wherein a number of strands in each of a proximal, center, and distal radial cross sections of the body is the same.

2. The vascular device of claim 1, wherein the apertures comprises two apertures.

3. The vascular device of claim 1, wherein the apertures are equally spaced and radially arranged around a longitudinal axis of the body.

4. The vascular device of claim 1, wherein a center region of each of the apertures is disposed along a single radial cross section of the body.

5. The vascular device of claim 1, wherein the apertures comprises three apertures.

6. The vascular device of claim 1, wherein the apertures comprises four apertures.

7. The vascular device of claim 1, wherein the body has a hoop strength that is generally uniform along the body'"'"'s longitudinal length.

8. The vascular device of claim 1, wherein an area of at least one of the apertures is 0.005 square millimeters or larger.

9. The vascular device of claim 1, wherein an area of at least one of the pores is 0.01 square millimeters or smaller.

10. The vascular device of claim 1, wherein a thickness of each strand is 0.0010 to 0.0014 inches.

11. A vascular device, comprising:

a body having a first, collapsed configuration and a second, expanded configuration, the body comprised of strands;

wherein the strands are braided such that when the body is in the second configuration, the strands form pores and apertures between the strands;

wherein the apertures are disposed at a longitudinal center region of the body;

wherein, when the body is in the second configuration, the pores at proximal and distal portions of the body are generally uniform in size and smaller in size than the apertures; and

wherein the pores and the apertures are substantially the same size as each other when the body is in the first configuration;

wherein a center region of each of the apertures is disposed along a single radial cross section of the body.

12. The vascular device of claim 11, wherein the apertures comprises two apertures.

13. The vascular device of claim 11, wherein the apertures are equally spaced and radially arranged around a longitudinal axis of the body.

14. The vascular device of claim 11, wherein the apertures comprises three apertures.

15. The vascular device of claim 11, wherein the apertures comprises four apertures.

16. The vascular device of claim 11, wherein the body has a hoop strength that is generally uniform along the body'"'"'s longitudinal length.

17. The vascular device of claim 11, wherein an area of at least one of the apertures is 0.005 square millimeters or larger.

18. The vascular device of claim 11, wherein an area of at least one of the pores is 0.01 square millimeters or smaller.

19. The vascular device of claim 11, wherein a thickness of each strand is 0.0010 to 0.0014 inches.

20. A vascular device, comprising:

a body having a first, collapsed configuration and a second, expanded configuration, the body comprised of strands;

wherein the strands are braided such that when the body is in the second configuration, the strands form pores and apertures between the strands;

wherein the apertures are disposed at a longitudinal center region of the body;

wherein, when the body is in the second configuration, the pores at proximal and distal portions of the body are generally uniform in size and smaller in size than the apertures; and

wherein the pores and the apertures are substantially the same size as each other when the body is in the first configuration;

wherein the body has a hoop strength that is generally uniform along the body'"'"'s longitudinal length.

21. The vascular device of claim 20, wherein the apertures comprises two apertures.

22. The vascular device of claim 20, wherein the apertures are equally spaced and radially arranged around a longitudinal axis of the body.

23. The vascular device of claim 20, wherein the apertures comprises three apertures.

24. The vascular device of claim 20, wherein the apertures comprises four apertures.

25. The vascular device of claim 20, wherein an area of at least one of the apertures is 0.005 square millimeters or larger.

26. The vascular device of claim 20, wherein an area of at least one of the pores is 0.01 square millimeters or smaller.

27. The vascular device of claim 20, wherein a thickness of each strand is 0.0010 to 0.0014 inches.