Vascular occlusion methods, systems and devices

Patent metadata

Field	Value
Publication number	US-9414843-B2
Application number	US-44268706-A
Country	US
Kind code	B2
Filing date	May 26, 2006
Priority date	Nov 28, 2003
Publication date	Aug 16, 2016
Grant date	Aug 16, 2016

Abstract

Described are devices, methods and systems useful for achieving occlusion of vascular vessels. Percutaneous procedures are used to occlude and obliterate the greater saphenous vein, for example in the treatment of varicose vein condition caused by venous reflux. Certain embodiments encompass the deployment of one or more vascular occlusion devices via a through-and-through percutaneous procedure that leaves the vascular occlusion device or devices in a through-and-through condition.

First claim

What is claimed is:

1. A method for occluding a venous vessel having an inside wall, comprising:
providing a delivery device including a first sheath having a lumen and a second sheath having a lumen, with the second sheath received in the lumen of the first sheath;
providing an occlusion device positioned in the delivery device, the occlusion device including only a single anchoring member configured to expand to forcibly contact the inside wall of the venous vessel and an elongate occluding body extending away from the anchoring member, wherein the anchoring member comprises an expandable sponge body anchoring member, wherein the expandable sponge body anchoring member resides outside of the second sheath and within the lumen of the first sheath, and wherein the elongate occluding body resides within the lumen of the second sheath;
accessing the venous vessel through an access point;
inserting the delivery device into the venous vessel through said access point;
advancing the delivery device through the venous vessel away from the access point;
deploying the sponge body anchoring member out of the lumen of the first sheath and into the venous vessel, wherein the sponge body anchoring member expands to forcibly contact the inside wall of the venous vessel so as to become anchored in the venous vessel and to fill the lumen of the venous vessel with the sponge body anchoring member at a location spaced from said access point; and
removing the delivery device from the venous vessel through said access point, wherein the anchoring member inhibits migration of the elongate occluding body in the venous vessel during said removing such that the elongate occluding body is drawn from the lumen of the second sheath to remain implanted in the venous vessel along an elongate stretch of the venous vessel occurring between said anchoring member and the access point, with the elongate occluding body occluding the flow of blood through said venous vessel along said elongate stretch.

2. The method according to claim 1 , wherein the elongate occluding body remains implanted within the venous vessel traversing at least one junction between said venous vessel and a second venous vessel.

3. The method according to claim 2 , wherein the second venous vessel is a perforator or communicator vessel.

4. The method according to claim 3 , wherein said venous vessel is a superficial venous vessel.

5. The method according to claim 4 , wherein said venous vessel is a saphenous vein.

6. The method according to claim 1 , wherein said elongate occluding body comprises a remodelable material derived from a collagenous tissue source.

7. The method according to claim 1 , wherein said elongate occluding body comprises an expandable porous material.

8. The method according to claim 7 , wherein said expandable porous material comprises an extracellular matrix material.

9. The method according to claim 1 , wherein said elongate occluding body has a length of at least about 10 cm.

10. The method according to claim 1 , wherein said elongate occluding body has a length of at least about 20 cm.

11. The method according to claim 1 , wherein said expandable sponge body anchoring member comprises a collagenous material.

12. The method according to claim 11 , wherein said collagenous material comprises an extracellular matrix material.

13. The method according to claim 1 , wherein said expandable sponge body anchoring member and said elongate occluding body are integrally formed with one another.

14. The method according to claim 1 , wherein said expandable sponge body anchoring member comprises a resorbable material.

15. The method according to claim 1 , wherein said expandable sponge body anchoring member and said elongate occluding body are separate pieces attached to one another.

16. The method according to claim 1 , wherein while said occlusion device is positioned in said delivery device, the expandable sponge body anchoring member has an outer diameter greater than the diameter of the lumen of the second sheath.

17. The method according to claim 1 , wherein said elongate occluding body is of sufficient length to extend from said anchoring member to said access point, and wherein the method also includes trimming said elongate occluding body from said access point.

18. A method for occluding a venous vessel having an inside wall, comprising:
providing a delivery device having a lumen;
providing an occlusion device positioned in the delivery device lumen, the occlusion device having a length of at least about 10 cm and including only a single anchoring member configured to expand to forcibly contact the inside wall of the venous vessel and an elongate occluding body extending away from the anchoring member, the anchoring member and the elongate occluding body comprising the same material, and the anchoring member and the elongate occluding body both being fully received within the delivery device lumen;
accessing the venous vessel through an access point;
inserting the delivery device into the venous vessel through said access point;
advancing the delivery device through the venous vessel away from the access point with the anchoring member and the elongate occluding body both being fully received within the delivery device lumen;
deploying the anchoring member out of the lumen of the delivery device and into the venous vessel, wherein the anchoring member expands to forcibly contact the inside wall of the venous vessel so as to become anchored in the venous vessel at a location spaced from said access point; and
removing the delivery device from the venous vessel through said access point, wherein the anchoring member inhibits migration of the elongate occluding body in the venous vessel during said removing such that the elongate occluding body is drawn from the lumen of the delivery device to remain implanted in the venous vessel along an elongate stretch of the venous vessel occurring between said anchoring member and the access point, with the elongate occluding body occluding the flow of blood through said venous vessel along said elongate stretch.

19. The method of 18 , wherein the anchoring member and the elongate occluding body each comprise an extracellular matrix material.

20. The method of 19 , wherein the anchoring member comprises an extracellular matrix sponge or foam material.

21. The method of 18 , wherein the elongate occluding body and the anchoring member are integrally formed.

22. The method of 18 , wherein the elongate occluding body and the anchoring member are formed as separate pieces and attached to one another.

23. The method of 18 , wherein the anchoring member comprises an expandable porous material.

24. The method of claim 15 , wherein:
said delivery device includes a first sheath providing said lumen as a first lumen and a second sheath providing a second lumen, with the second sheath received in the first sheath; and
while said occlusion device is positioned in said delivery device, the anchoring member resides outside of the second sheath and within the first lumen, and the elongate occluding body resides within the second lumen.

25. A method for occluding a venous vessel having an inside wall, comprising:
providing a delivery device having a lumen;
providing an occlusion device positioned in the delivery device lumen, the occlusion device including only a single anchoring member configured to expand to forcibly co

Assignees

• Pavcnik Dusan
• Kaufman John A
• Osborne Thomas
• Bates Brian
• Patel Umesh
• Chin Likang
• Mcalexander Chad S
• Shah Bhavin
• Cook Medical Technologies Llc
• Cook Biotech Inc
• Univ Oregon Health & Science

Inventors

• Pavcnik Dusan
• Kaufman John A
• Osborne Thomas
• Bates Brian
• Patel Umesh
• Fette Clay D
• Chin Likang
• Mcalexander Chad S
• Shah Bhavin

Classifications

• A61B17/12022

  Occluding by internal devices, e.g. balloons or releasable wires (plugging an opening in the wall of an organ A61B17/0057; occluders for the cervical canal A61F6/146; vas deferens occluders A61F6/20) · CPC title

• A61B17/12109 Primary

  in a blood vessel · CPC title

• A61L2430/36

  for embolization or occlusion, e.g. vaso-occlusive compositions or devices · CPC title

• A61B17/12181

  formed by fluidized, gelatinous or cellular remodelable materials, e.g. embolic liquids, foams or extracellular matrices · CPC title

• A61B17/00008

  Vein tendon strippers (tube strippers A61M1/83) · CPC title