STENT/GRAFT DEVICE FOR OPEN SURGICAL PLACEMENT

• US 20120232637A1
• Filed: 05/22/2012
• Published: 09/13/2012
• Est. Priority Date: 07/27/2005
• Status: Active Grant

• Current Assignee: Cook Medical Incorporated (Cook Group Incorporated)
• Original Assignee: Cook Medical Incorporated (Cook Group Incorporated)
• Inventors: Demetriades, Demetrios, Gingles, Bruce, Hunt, James B., McIntosh, Charles L.
• Granted Patent: US 8,821,565 B2
• Time in Patent Office: Days
• US Class Current: 623/1.11
• CPC Class Codes: A61F 2/064 with special features to facilitate anastomotic coupling anastomosis of natural blood vessels A61B17/11
• CPC Class Codes: A61F 2/07 Stent-grafts
• CPC Class Codes: A61F 2/89 the wire-like elements comprising two or more adjacent rings flexibly connected by separate members
• CPC Class Codes: A61F 2/90 characterised by a net-like or mesh-like structure
• CPC Class Codes: A61F 2/97 the outer sleeve being splittable
• CPC Class Codes: A61F 2002/075 the stent being loosely attached to the graft material, e.g. by stitching
• CPC Class Codes: A61F 2002/8483 Barbs
• CPC Class Codes: Y10S 623/903 Blood vessel

Abstract

An assembly for open surgical repair of a damaged wall portion of a body vessel includes a stent/graft device comprising an elongated stent body and a graft material covering the stent body. The device is expandable from a compressed condition having a diameter less than a diameter of the vessel to an expanded condition at least as great as the diameter of the vessel. A sheath enclosing the device when in the compressed condition includes a sheath body and a pull string for selectively splitting the sheath body to allow expansion of the device. The device and enclosing sheath are sized for insertion through the damaged wall portion into the vessel, wherein the pull string is extendable through the damaged wall portion for splitting the sheath body.

Claims

1. A stent/graft device for intraoperative repair of a damaged portion of a body vessel, comprising:

an elongated generally cylindrical stent body and a graft material covering at least a portion of said stent body, said device being expandable from a compressed condition having a diameter less than a diameter of the vessel to an expanded condition having a diameter at least as large as the diameter of the vessel, said device positionable within said vessel in said compressed condition and engageable with said vessel in said expanded condition.

2. The device of claim 1, wherein said stent body has a length at least as long as a length of said damaged vessel portion undergoing said intraoperative repair.

3. The device of claim 1, wherein said stent body comprises a plurality of axially spaced stents, and said graft material covers said stents, said stents being expandable from a compressed condition having a diameter less than a diameter of the vessel to an expanded condition having a diameter at least as large as the diameter of the vessel.

4. The device of claim 3, further comprising a sheath enclosing said stent body and graft material, said sheath having at least one mechanism for facilitating removal of the stent body and graft material from the sheath.

5. The device of claim 4, wherein said at least one mechanism comprises two pull strings, each of said pull strings being positioned at a separate axial end of the sheath and selectively movable toward a center portion of the sheath for facilitating said removal of the stent body and graft material.

6. The device of claim 1, wherein said stent body comprises a pair of stents, and said graft material covers said stents, said stents spaced such that one of said stents is positioned at each axial end of the stent/graft device, further comprising a sheath covering said stents, said sheath having a pull string for selectively splitting said sheath such that said stents expand from said compressed condition to said expanded condition.

7. The device of claim 6, wherein said stent/graft device includes an anchoring mechanism for anchoring said device to said vessel.

8. An assembly for open surgical repair of a damaged wall portion of a body vessel, comprising:

a stent/graft device comprising an elongated generally cylindrical stent body and a graft material covering at least a portion of said stent body, said device being expandable from a compressed condition having a diameter less than a diameter of the vessel to an expanded condition having a diameter at least as large as the diameter of the vessel;

a sheath which substantially encloses said device when said device is in said compressed condition, said sheath comprising a substantially tubular sheath body and a mechanism for selectively splitting said sheath body for expansion of said device to said expanded condition, said device and said enclosing sheath being sized and configured for insertion through said damaged wall portion into said vessel in a manner such that said mechanism is extendable through said damaged wall portion for splitting said sheath body.

9. The assembly of claim 8, wherein said mechanism comprises at least one pull string arranged along said sheath body.

10. The assembly of claim 9, wherein said mechanism comprises a pair of pull strings, each of said pull strings arranged along said sheath body and extendable through said damaged wall portion, said pull strings positioned along said sheath body to be pulled in opposite directions for splitting said sheath body.

11. The assembly of claim 10, wherein each of said pull strings is positioned at a separate axial end of the sheath body, said sheath body and said respective pull strings being structured such that said pull strings split said sheath body from said respective axial ends to a center portion of the sheath body.

12. The assembly of claim 8, wherein said stent/graft device has a length at least as long as a length of said damaged vessel wall portion undergoing open surgical repair.

13. The assembly of claim 8, wherein said stent body comprises a plurality of axially spaced stents, and said graft material covers said plurality of stents.

14. The assembly of claim 9, wherein said stent body comprises a pair of axially spaced stents, said stents spaced such that one of said stents is positioned at each axial end of said stent/graft device.

15. The assembly of claim 14, wherein said sheath comprises a first sheath member covering a first one of said stents and a second sheath member covering a second one of said stents, each of said sheath members having at least one pull string manipulatable for splitting said sheath member.

16. The assembly of claim 8, wherein said stent/graft device includes an anchoring mechanism for anchoring said device to said vessel.

17. A stent/graft device for intraoperative repair of a damaged portion of a body vessel, comprising:

a generally cylindrical body having a passageway therethrough; and

a connector positioned at at least one axial end of said body, an axial end of said connector extending into said passageway and another axial end of said connector extending from said body, said axial end extending into said passageway having a diameter such that said end is snugly received in said body, said axial end extending from said body including a mechanism for effecting engagement with said vessel.

18. The device of claim 17, wherein said device comprises a connector positioned at each axial end of said body.

19. The device of claim 18, wherein each of said connectors includes a portion adapted for fixed engagement with said vessel via one or more sutures.

20. The device of claim 19, wherein each of said connectors includes a recessed portion for said fixed engagement with said vessel.