Shaft and wire lock

• US 20030229295A1
• Filed: 06/11/2002
• Published: 12/11/2003
• Est. Priority Date: 06/11/2002
• Status: Active Grant

• Current Assignee: Boston Scientific Scimed (Boston Scientific Corporation)
• Original Assignee: Scimed Life Systems Incorporated (Boston Scientific Corporation)
• Inventors: Hart, Colin P., Houde, Eric, Deyette, Thomas Jr., Van Diver, Mark H.
• Granted Patent: US 7,326,224 B2
• Time in Patent Office: Days
• US Class Current: 600/585
• CPC Class Codes: A61F 2/011 Instruments for their placement or removal
• CPC Class Codes: A61F 2002/018 made from tubes or sheets of material, e.g. by etching or laser-cutting
• CPC Class Codes: A61M 2025/09125 Device for locking a guide wire in a fixed position with respect to the catheter or the human body

Abstract

The present invention relates generally to the field of embolic protection and, more particularly, to systems for locking a shaft relative to a hub assembly. In addition, a method for securing a shaft relative to a hub assembly is disclosed.

Claims

1. A shaft and wire lock system comprising:

a sheath having a proximal end, a distal end, and a lumen extending therethrough;

a shaft having a proximal end and a distal end, wherein at least a portion of the shaft is disposed within the lumen of the sheath;

a filter coupled to the distal end of the shaft;

a hub assembly coupled to the sheath;

a splitter coupled to the hub assembly, the splitter including a tube having an inner lumen adapted to slidably receive the sheath, and a shaft coupling portion to secure the shaft relative to the hub assembly.

2. The system in accordance with claim 1, wherein the shaft coupling portion includes a wire lumen.

3. The system in accordance with claim 1, wherein the hub assembly includes a y-adapter having a main lumen and a side lumen.

4. The system in accordance with claim 3, wherein y-adaptor includes a collet.

5. The system in accordance with claim 4, wherein the shaft may be secured relative to the hub assembly by the collet.

6. The system in accordance with claim 4, wherein a collar is coupled to the y-adapter such that tightening the collar onto the y-adaptor deforms the collet and secures the shaft relative to the hub assembly.

7. The system in accordance with claim 1, wherein the shaft may be secured relative to the hub assembly by a pinchable tube coupled to the hub assembly.

8. The system in accordance with claim 1, wherein the shaft coupling portion includes at least one slot.

9. The system in accordance with claim 8, wherein the slot is defined as the space between a plurality of raised ribs.

10. The system in accordance with claim 1, wherein the splitter further comprises a physical stop.

11. The system in accordance with claim 1, wherein the splitter includes a luer adapter.

12. The system in accordance with claim 11, further comprising a passive valve attached to the luer adapter.

13. The system in accordance with claim 1, further comprising a sliding handle.

14. The system in accordance with claim 1, further comprising a handle coupled to the sheath and a securement shaft coupled to the handle.

15. A shaft and wire lock system for an embolic protection device, comprising:

a sheath having a proximal end, a distal end, and a lumen extending therethrough;

an elongate shaft having a distal end, wherein at least a portion of the shaft is disposed within the lumen of the sheath;

a filter coupled to the distal end of the shaft;

a y-adapter coupled to the sheath, the y-adapter having a main lumen and a side lumen;

a collet disposed at a proximal end of the main lumen;

a collar coupled to the proximal end of the main lumen;

a splitter coupled to the y-adapter at the main lumen, the splitter including a tube having an inner lumen adapted to slidably receive the sheath and a shaft coupling portion to secure the shaft relative to the y-adaptor by tightening the collar onto the y-adaptor so as to deform the collet.

16. The system in accordance with claim 15, wherein the shaft coupling portion includes a wire lumen.

17. The system in accordance with claim 15, wherein the shaft coupling portion includes at least one slot.

18. The system in accordance with claim 17, wherein the slot is defined as the space between a plurality of raised ribs.

19. The system in accordance with claim 15, wherein the splitter further comprises a physical stop.

20. The system in accordance with claim 15, wherein the splitter includes a luer adapter.

21. The system in accordance with claim 20, further comprising a passive valve attached to the luer adapter.

22. The system in accordance with claim 15, wherein the hub comprises a sliding handle.

23. The system in accordance with claim 15, further comprising a handle coupled to the sheath and a securement shaft coupled to the handle.

24. A method for securing a wire relative to a shaft, comprising the steps of:

providing a shaft and wire lock system for an embolic protection device, the system including a sheath having a proximal end, a distal end, and a lumen extending therethrough;

an elongate shaft having a proximal end and a distal end, wherein at least a portion of the shaft is disposed within the lumen of the sheath;

a filter coupled to the distal end of the shaft;

a hub assembly coupled to the proximal end of the shaft; and

a splitter coupled to the hub assembly, the splitter including a tube having an inner lumen adapted to slidably receive the sheath, and a shaft coupling portion to secure the shaft relative to the hub assembly;

disposing at least a portion of the sheath within the inner lumen;

disposing at least a portion of the shaft at the shaft coupling portion; and

securing the shaft relative to the hub assembly such that the sheath is slidable within the inner lumen relative to the shaft.

25. The method in accordance with claim 24, wherein the shaft coupling portion includes a wire lumen and wherein the step of disposing at least a portion of the shaft at the shaft coupling portion includes passing the shaft through the wire lumen.

26. The method in accordance with claim 24, wherein the hub assembly comprises a y-adapter having a main lumen and a side lumen, the main lumen having a collet and a collar coupled thereto.

27. The method in accordance with claim 26, wherein the step of securing the shaft relative to the hub assembly includes tightening the collar onto the y-adaptor so as to deform the collet.

28. The method in accordance with claim 24, wherein the step of securing the shaft relative to the hub assembly includes securing the shaft with a pinchable tube coupled to the hub assembly.

29. The method in accordance with claim 24, wherein the shaft coupling portion includes a slot and wherein the step of disposing at least a portion of the shaft at the shaft coupling portion includes disposing the shaft within the slot.

30. The method in accordance with claim 24, wherein the shaft coupling portion includes a plurality of raised ribs and wherein the step of securing the shaft relative to the hub assembly includes disposing the shaft between the ribs.