FRICTION FIBER SLEEVE RETRACTION SYSTEM

• US 20140135894A1
• Filed: 11/11/2013
• Published: 05/15/2014
• Est. Priority Date: 11/12/2012
• Status: Active Grant

• Current Assignee: W. L. Gore & Associates (W.L. Gore & Associates)
• Original Assignee: W. L. Gore & Associates (W.L. Gore & Associates)
• Inventors: Norris, Patrick M., Sondreaal, Matthew G.
• Granted Patent: US 9,610,183 B2
• Time in Patent Office: Days
• US Class Current: 623/1.12
• CPC Class Codes: A61F 2/966 with relative longitudinal movement between outer sleeve and prosthesis, e.g. using a push rod
• CPC Class Codes: A61F 2/97 the outer sleeve being splittable
• CPC Class Codes: A61F 2002/9665 with additional retaining means

Abstract

An implantable system for endoluminal delivery of expandable devices having one or more sleeves and one or more sleeve pull back lines. The sleeve pull back lines enable retraction of the one or more sleeves, with various benefits resulting therefrom.

Claims

1. An implantable system comprising:

an expandable device;

a flexible constraining sleeve surrounding at least a portion of the expandable device;

a coupling member releasably coupled to the constraining sleeve to retain the expandable device toward a delivery configuration suitable for endoluminal delivery; and

a sleeve pull back line engaged with the constraining sleeve, the sleeve pull back line disposed between the constraining sleeve and the endoluminal device, wherein applying tension to the sleeve pull back line displaces a portion of the constraining sleeve relative to the expandable device.

2. The implantable system of claim 1, wherein the sleeve pull back line engages a proximal end of the constraining sleeve.

3. The implantable system of claim 2, wherein the sleeve pull back line doubles back after engaging the proximal end of the constraining sleeve and engages a distal end of the constraining sleeve.

4. The implantable system of claim 1, wherein the coupling member engages a plurality of holes along opposing and parallel edges of the constraining sleeve.

5. The implantable system of claim 4, wherein tension is applied to the coupling member to release the constraining sleeve and allows the expandable device to expand.

6. The implantable system of claim 4 , wherein tension is applied to the deployment line and the sleeve pullback line simultaneously.

7. The implantable system of claim 4 wherein the constraining sleeve is a first constraining sleeve, and further comprising a second constraining sleeve, wherein the first constraining sleeve concentrically surrounds the second constraining sleeve, and wherein the sleeve pull back line is disposed between the second constraining sleeve and the endoluminal device.

8. The implantable system of claim 7, further comprising at least one sleeve coupling loop, wherein the sleeve coupling loop removably couples the first constraining sleeve and the second constraining sleeve.

9. The implantable system of claim 8, comprising a first coupling loop and a second coupling loop, wherein the first coupling loop is oriented near a proximal end of the endoluminal device, and the second coupling loop is oriented near a distal end of the endoluminal device.

10. The implantable system of claim 1, wherein the sleeve pull back line is removeable.

11. The implantable system of claim 7, wherein the sleeve pull back line is moveably engaged to one of the first constraining sleeve and second constraining sleeve through a hole.

12. The implantable system of claims 1, wherein the expandable device is one of a stent, graft, filter, and valve.

13. The implantable system of claims 1 wherein the constraining sleeve is comprised of expanded polytetrafluoroethylene.

14. The implantable system of claims 7 wherein the second constraining sleeve is comprised of expanded polytetrafluoroethylene.