Grip for stent delivery system

• US 6,749,627 B2
• Filed: 01/18/2001
• Issued: 06/15/2004
• Est. Priority Date: 01/18/2001
• Status: Expired due to Term

• Current Assignee: Ev3 Peripheral Inc. (Medtronic Plc)
• Original Assignee: Ev3 Peripheral Inc. (Medtronic Plc)
• Inventors: Benson, Thomas M., Thompson, Paul J.
• Primary Examiner(s): McDermott, Corrine
• Assistant Examiner(s): Sweet, Thomas
• Application Number:
  US09/765,721
• Publication Number:
  US 20020095204A1
• Time in Patent Office: 1,244 Days
• Field of Search: 606/108, 606/191, 606/192, 606/194, 623/1.11, 623/1.12, 600/585, 604/523, 604/528, 604/529
• US Class Current: 623/1.12
• CPC Class Codes: A61B 17/2909 Handles
• CPC Class Codes: A61F 2/95 Instruments specially adapted for placement or removal of stents or stent-grafts
• CPC Class Codes: A61F 2/9517 handle assemblies therefor
• CPC Class Codes: A61M 2025/09116 Design of handles or shafts or gripping surfaces thereof for manipulating guide wires
• 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

A stent delivery system includes inner and outer tubular members with the outer tubular member sized to pass through the body lumen to the deployment site and with the inner tubular member sized to be received within the outer tubular member. The inner and outer tubular members are axially slideable relative to one another between a transport position and a deploy position. The inner tubular member has a stent attachment location at its distal end. The stent attachment location is covered by the outer tubular member when the inner and outer tubular members are in the transport position. The stent attachment location is exposed when the inner and outer tubular members are in the deploy position. A first handle is provided rotatably connected to a proximal end of the outer tubular member for the first handle to transmit to the outer tubular member axial forces applied to the handle by an operator and to rotate freely about the axis relative to the outer tubular member.

Claims

1. A stent delivery system for delivering a stent to a deployment site in a body lumen of a patient'"'"'s body, said stent delivery system comprising:

an elongated, flexible outer tubular member having a distal end and a proximal end;

an elongated, flexible inner tubular member having a distal end and a proximal end;

said outer tubular member sized to be passed through said body lumen with said distal end advanced to said deployment site and with said proximal end external to said body for manipulation by an operator;

said inner flexible tubular member sized to be received within said outer tubular member with said inner tubular member and said outer tubular member axially slideable relative to one another between a transport position and a deploy position;

said inner tubular member have a stent attachment location at said distal end of said inner tubular member said stent attachment location covered by said outer tubular member when said inner and outer tubular members are in said transport position, said stent attachment location exposed when said inner and outer tubular members are in said deploy position; and

a first handle rotatably connected to said proximal end of said outer tubular member via a non-threaded connection.

2. A stent delivery system according to claim 1 further comprising a second handle rotatably connected to said proximal end of inner tubular member.

3. A stent delivery system according to claim 2 wherein a spacing between said handles corresponds to an axial length of said stent attachment location when said inner and outer tubular members are in said transport position.

4. A stent delivery system according to claim 1 further comprising:

a spacer member disposed between said inner and outer tubular members for radially spacing said inner tubular member from said outer tubular member;

opposing surfaces of said inner and outer tubular members defining a first lumen extending from said proximal end towards said distal end of said outer tubular member;

an admission port in communication with said first lumen at said proximal end of said outer tubular member; and

a discharge port through said outer tubular member in communication with said first lumen at said distal end of said outer tubular member.

5. A stent delivery system according to claim 1 further comprising a stent carried at said stent attachment location.

6. A stent delivery system according to claim 3, further comprising a locking member for selectively preventing axial movement between the outer tubular member and the inner tubular member.

7. A stent delivery system according to claim 1, wherein the first handle is elongated along an axis and includes first and second sides that face in opposite directions, the first and second sides including gripping regions defining concave curvatures extending in a direction along the axis.

8. A stent delivery system according to claim 7, wherein the gripping regions each include a length and a width, the lengths including mid portions positioned between end portions, the widths being enlarged adjacent the mid portions of the gripping regions as compared to the end portions of the gripping regions.

9. A stent delivery system according to claim 8, further comprising gripping projections provided at the gripping regions.

10. A stent delivery system according to claim 9, wherein the gripping projections are elongated in a transverse direction relative to the axis.

11. A stent delivery system of claim 10, wherein the gripping projections are longer at the mid portions of the gripping regions than adjacent the end portions of the gripping regions.

12. A stent delivery system of claim 7, wherein the handle includes first and second ends spaced apart along the axis, the first end defining a larger perimeter than the second end.

13. A stent delivery system of claim 7, further comprising third and fourth sides facing in opposite directions, the third and fourth sides extending longitudinally along the axis and also extending circumferentially between the first and second sides, the third and fourth sides defining convex curvatures as the third and fourth sides extend circumferentially between the first and second sides.

14. A stent delivery system of claim 13, wherein the third and fourth sides include intermediate regions defining convex curvatures that extend along the axis.

15. A stent delivery system of claim 14, wherein the intermediate regions are positioned between end regions of the third and fourth sides, and wherein the end regions define concave curvatures that extend along the axis.

16. The stent delivery system as in claim 1, first handle being further arranged such that the outer tubular member does not move relative to the inner tubular member when the first handle is moved rotationally.

17. The stent delivery system as in claim 2, wherein the second handle is connected to the proximal end of the inner tubular member via a non-threaded connection.

18. The stent delivery system as in claim 2, wherein the second handle is arranged such the inner tubular member does not move relative to the outer tubular member when the second handle is moved rotationally.

19. The steel delivery system as in claim 4, the spacer member comprising a plurality of discrete spacer members, each of the plurality of spacer members having a base, and each of the plurality of spacer members having a rounded tip that is narrower than the base.

20. The stent delivery system as in claim 17, wherein the second handle is arranged such the inner tubular member does not move relative to the outer tubular member when the second handle is moved rotationally.

21. A handle for a catheter or guide wire system comprising:

a handle body that is elongated along an axis and includes first and second sides that face in opposite directions, the first and second sides including gripping regions defining concave curvatures extending in a direction along the axis; and

third and fourth sides facing in opposite directions, the third and fourth sides extending longitudinally along the axis and also extending circumferentially between the first and second sides, the third and fourth sides defining convex curvatures as the third and fourth sides extend circumferentially between the first and second sides, wherein the third and fourth sides include intermediate regions defining convex curvatures that extend along the axis.

22. A handle of claim 21, wherein the intermediate regions are positioned between end regions of the third and fourth sides, and wherein the end regions define concave curvatures that extend along the axis.

23. A handle according to claim 21, wherein the gripping regions each include a length and a width, the lengths including mid portions positioned between end portions, the widths being enlarged adjacent the mid portions of the gripping regions as compared to the end portions of the gripping regions.

24. A handle according to claim 23, further comprising gripping projections provided at the gripping regions.

25. A handle according to claim 24, wherein the gripping projections are elongated in a transverse direction relative to the axis.

26. A handle of claim 25, wherein the gripping projections are longer at the mid portions of the gripping regions than adjacent the end portions of the gripping regions.

27. A handle of claim 21, wherein the handle includes first and second ends spaced apart along the axis, the first end defining a larger perimeter than the second end.

28. A stent delivery system for delivering a stent to a deployment site in a body lumen of a patient'"'"'s body, said stent delivery system comprising:

an elongated, flexible outer tubular member having a distal end and a proximal end;

an elongated, flexible inner tubular member haviug a distal end and a proximal end;

said outer tubular member sized to be passed through said body lumen with said distal end advanced to said deployment site and with said proximal end external to said body for manipulation by an operator;

said inner flexible tubular member sized to be received within said outer tubular member with said inner tubular member and said outer tubular member axially slideable relative to one another between a transport position and a deploy position;

said inner tubular member have a stent attachment location at said distal end of said inner tubular member said stent attachment location covered by said outer tubular member when said inner and outer tubular members are in said transport position, said stent attachment location exposed when said inner and outer tubular members are in said deploy position; and

a first handle roratably connected to said proximal end of said outer tubular member, wherein the first handle is elongated along an axis and includes first and second sides that face in opposite directions, the first and second sides including gripping regions defining concave curvatures extending in a direction along the axis, and wherein the gripping regions each include a length and a width, the lengths including mid portions positioned between end portions, the widths being enlarged adjacent the mid portions of the gripping regions as compared to the end portions of the gripping regions.

29. A stent delivery system for delivering a stent to a deployment site in a body lumen of a patient'"'"'s body, said stent delivery system comprising:

an elongated, flexible outer tubular member having a distal end and a proximal end;

an elongated, flexible inner tubular member having a distal end and a proximal end;

said outer tubular member sized to be passed through said body lumen with said distal end advanced to said deployment site and with said proximal end external to said body for manipulation by an operator;

said inner flexible tubular member sized to be received within said outer tubular member with said inner tubular member and said outer tubular member axially slideable relative to one another between a transport position and a deploy position;

said inner tubular member have a stent attachment location at said distal end of said inner tubular member said stent attachment location covered by said outer tubular member when said inner and outer tubular members are in said transport position, said stent attachment location exposed when said inner and outer tubular members are in said deploy position; and

a first handle rotatably connected to said proximal end of said outer tubular member, wherein the first handle is elongated along an axis and includes first and second sides that face in opposite directions, and further comprising third and fourth sides facing in opposite directions, the first and second sides including gripping regions defining concave curvatures extending in a direction along the axis, the third and fourth sides extending longitudinally along the axis and also extending circumferentially between the first and second sides, the third and fourth sides defining convex curvatures as the third and fourth sides extend circumferentially between the first and second sides, wherein the third and fourth sides include intermediate regions defining convex curvatures that extend along the axis.

30. A handle for a catheter or guide wire system comprising:

a handle body that is elongated along an axis and includes first and second sides that face in opposite directions, the first and second sides including gripping regions defining concave curvatures extending in a direction along the axis, wherein the gripping regions each include a length and a width, the lengths including mid portions positioned between end portions, the widths being enlarged adjacent the mid portions of the gripping regions as compared to the end portions of the gripping regions; and

third and fourth sides facing in opposite directions, the third and fourth sides extending longitudinally along the axis and also extending circumferentially between the first and second sides, the third and fourth sides defining convex curvatures as the third and fourth sides extend circumferentially between the first and second sides.