Guide wire with multi-lumen access threads

• US 9,629,738 B2
• Filed: 03/02/2016
• Issued: 04/25/2017
• Est. Priority Date: 03/02/2015
• Status: Active Grant

• Current Assignee: Sanford Health-Meritcare (MeritCare Health System)
• Original Assignee: Sanford Health-Meritcare (MeritCare Health System)
• Inventors: Kelly, Patrick W.
• Primary Examiner(s): ALEMAN, SARAH WEBB
• Application Number:
  US15/059,124
• Publication Number:
  US 20160256302A1
• Time in Patent Office: 419 Days
• CPC Class Codes: A61F 2/07 Stent-grafts
• CPC Class Codes: A61F 2/95 Instruments specially adapted for placement or removal of stents or stent-grafts
• CPC Class Codes: A61F 2/9522 Means for mounting a stent or stent-graft onto or into a placement instrument
• CPC Class Codes: A61F 2/954 for placing stents or stent-grafts in a bifurcation
• CPC Class Codes: A61F 2002/061 provided with means for allowing access to secondary lumens
• CPC Class Codes: A61F 2002/065 Y-shaped blood vessels
• CPC Class Codes: A61F 2002/072 Encapsulated stents, e.g. wire or whole stent embedded in lining
• CPC Class Codes: A61F 2002/075 the stent being loosely attached to the graft material, e.g. by stitching
• CPC Class Codes: A61F 2002/9505 having retaining means other than an outer sleeve, e.g. male-female connector between stent and instrument
• CPC Class Codes: A61M 2025/09175 having specific characteristics at the distal tip
• CPC Class Codes: A61M 2025/09183 having tools at the distal tip
• CPC Class Codes: A61M 25/09033 with fixed mandrils, e.g. mandrils fixed to tip; Tensionable wires

Abstract

The present disclosure provides an apparatus comprising (a) a guide wire having a first end and a second end, (b) an affixing harness coupled to the guide wire, the affixing harness having at least one projection extending towards the first end of the guide wire, (c) a plurality of alignment strings having a first end and a second end, where the first end of each of the plurality of alignment strings is removably coupled to the at least one projection of the affixing harness, and (d) an affixing shield removably coupled to at least one of the affixing harness and the guide wire, wherein the affixing shield is movably positioned over the at least one projection of the affixing harness.

Claims

1. An apparatus, comprising:

a guide wire having a first end and a second end;

an affixing harness coupled to the guide wire, the affixing harness having at least one projection extending towards the first end of the guide wire;

a plurality of alignment strings having a first end and a second end, wherein the first end of each of the plurality of alignment strings is removably coupled to the at least one projection of the affixing harness; and

an affixing shield removably coupled to at least one of the affixing harness and the guide wire, wherein the affixing shield is movably positioned over the at least one projection of the affixing harness, and wherein the affixing shield is flexible and has shape memory.

2. The apparatus of claim 1, wherein the affixing harness is removably coupled to the guide wire.

3. The apparatus of claim 2, wherein the first end of each of the plurality of alignment strings includes a loop removably coupled to a corresponding projection of the affixing harness.

4. The apparatus of claim 1, wherein the at least one projection of the affixing harness comprises a plurality of projections extending towards the first end of the guide wire.

5. The apparatus of claim 1, wherein the at least one projection of the affixing harness comprises a single projection extending towards the first end of the guide wire.

6. The apparatus of claim 5, wherein the first end of each of the plurality of alignment strings includes a loop removably coupled to the single projection of the affixing harness.

7. The apparatus of claim 1, wherein the affixing shield has a first end and a second end, wherein the first end of the affixing shield is tapered, and wherein the affixing shield has a cavity configured to receive the at least one projection of the affixing harness.

8. The apparatus of claim 1, wherein the affixing shield is conical.

9. The apparatus of claim 1, wherein the plurality of alignment strings are removably coupled to the affixing harness in a first position, the apparatus further comprising:

a delivery catheter; and

a locking wire partially disposed within the delivery catheter, wherein the locking wire includes a coupling mechanism comprising a threaded female connector, a first magnet, or a locking hinge and the plurality of alignment strings each include a corresponding male connector, a second magnet, or a loop, wherein at least one of the plurality of alignments strings is decoupled from the affixing harness and removably coupled to the locking wire in a second position.

10. The apparatus of claim 9, further comprising:

a torque lock positioned adjacent to the delivery catheter, wherein the torque lock is configured to prevent the delivery catheter from moving with respect to the locking wire in a locked mode, and wherein the torque lock is configured to allow the delivery catheter to move along the locking wire in an unlocked mode.

11. The apparatus of claim 9, further comprising:

a torque lock coupled to the second end of the delivery catheter, wherein the torque lock is configured to prevent the delivery catheter from moving with respect to the locking wire in a locked mode, and wherein the torque lock is configured to allow the delivery catheter to move along the locking wire in an unlocked mode.

12. The apparatus of claim 1, wherein the at least one projection of the affixing harness is deformable with respect to a force applied in the direction of the second end of the guide wire.

13. The apparatus of claim 1, wherein in a deployment position of the affixing shield, the affixing shield is arranged surrounding the at least one projection of the affixing harness.

28. A method comprising:

introducing the apparatus of claim 1 into an artery;

snaring a first end of the guide wire and pulling the guide wire and the affixing harness through an arterial access and advancing each of the plurality of alignment strings through a respective opening of the plurality of openings defined in a lumen of a main body stent graft such that a second end of each of the plurality of alignment strings extends beyond a second end of the main body stent graft;

snaring a first end of the guide wire and pulling the guide wire and the affixing harness through an arterial access and advancing each of the plurality of alignment strings through a respective opening of a plurality of openings defined in a lumen of a main body stent graft such that the second end of each of the plurality of alignment strings extends beyond a second end of the main body stent graft;

uncoupling the first end of a first alignment string of the plurality of alignment strings from the affixing harness;

coupling the first end of the first alignment string to a locking wire partially disposed within a first delivery catheter;

pulling the locking wire and the alignment string into the delivery catheter containing a second stent graft;

moving the delivery catheter via the first alignment string and introducing the delivery catheter through a second opening of the plurality of openings of the main body of the stent graft;

advancing a second guide wire through the delivery catheter and securing access to the artery; and

deploying the second stent graft into at least one of the artery and the second opening of the plurality of openings of the main body of the stent graft.

29. The method of claim 28, further comprising:

uncoupling a first end of a second alignment string of the plurality of alignment strings from the affixing harness;

removably coupling the first end of the second alignment string to a second locking wire partially disposed within a second delivery catheter;

pulling the second locking wire and second alignment string into the second delivery catheter containing a third stent graft;

moving the second delivery catheter via the second alignment string and introducing the second delivery catheter into a third opening of the plurality of openings of the main body of the stent graft;

advancing a third guide wire through the second delivery catheter; and

deploying the third stent graft into at least one of the artery and the third opening of the main body of the stent graft.

14. An apparatus, comprising:

a stent graft having a main body including at least one lumen, wherein the main body has a first end and a second end;

a plurality of openings defined by at least one bifurcation in the at least one lumen of the main body of the stent graft;

a guide wire movably disposed through the main body and through a first opening of the plurality of openings such that a first end of the guide wire extends out of the first end of the main body and a second end of the guide wire extends beyond the first opening;

an affixing harness coupled to the guide wire, the affixing harness having at least one projection extending towards the first end of the guide wire; and

a plurality of alignment strings each having a first and a second end, wherein the first end of each of the plurality of alignment strings is removably coupled to the at least one projection of the affixing harness, and wherein each second end of the plurality of alignment strings is movably disposed through a different opening of the plurality of openings.

15. The apparatus of claim 14, further comprising:

an affixing shield removably coupled to at least one of the affixing harness and the guide wire, wherein the affixing shield is movably positioned over the at least one projection of the affixing harness.

16. The apparatus of claim 15, wherein the affixing shield has a first end and a second end, wherein the first end of the affixing shield is tapered, and wherein the second end of the affixing shield covers the at least one projection of the affixing harness.

17. The apparatus of claim 15, wherein in a deployment position the affixing shield is arranged surrounding the at least one projection of the affixing harness.

18. The apparatus of claim 14 wherein the affixing harness includes a plurality of projections extending towards the first end of the guide wire.

19. The apparatus of claim 18, wherein the first end of each of the plurality of alignment strings includes a loop removably coupled to a corresponding projection of the affixing harness.

20. The apparatus of claim 14, wherein the affixing harness includes a single projection extending towards the first end of the guide wire.

21. The apparatus of claim 20, wherein the first end of each of the plurality of alignment strings includes a loop removably coupled to the single projection of the affixing harness.

22. The apparatus of claim 14, wherein the affixing shield has a first end and a second end, wherein the first end of the affixing shield is tapered, and wherein the second end of the affixing shield covers the at least one projection of the affixing harness.

23. The apparatus of claim 14, wherein the plurality of alignment strings are removably coupled to the affixing harness in a first position, the apparatus further comprising:

a delivery catheter; and

a locking wire partially disposed within the delivery catheter, wherein the locking wire includes a coupling mechanism comprising a threaded female connector, a first magnet, or a locking hinge and the plurality of alignment strings each include a corresponding male connector, a second magnet, or a loop, wherein at least one of the plurality of alignment strings is decoupled from the affixing harness and removably coupled to the locking wire in a second position.

24. The apparatus of claim 23, further comprising:

a torque lock positioned adjacent to the delivery catheter, wherein the torque lock is configured to prevent the delivery catheter from moving with respect to the locking wire in a locked mode, and wherein the torque lock is configured to allow the delivery catheter to move along the locking wire in an unlocked mode.

25. The apparatus of claim 23, further comprising:

a torque lock coupled to the second end of the delivery catheter, wherein the torque lock is configured to prevent the delivery catheter from moving with respect to the locking wire in a locked mode, and wherein the torque lock is configured to allow the delivery catheter to move along the locking wire in an unlocked mode.

26. The apparatus of claim 23, further comprising:

a torque lock disposed along the guide wire and positioned adjacent to the delivery catheter, wherein the torque lock is configured to prevent the delivery catheter from moving with respect to the locking wire in a locked mode, and wherein the torque lock is configured to allow the delivery catheter to move along the locking wire in an unlocked mode.

27. The apparatus of claim 14, wherein the at least one projection of the affixing harness is deformable in response to a force applied via one of the plurality of alignment strings.