Integrated mechanical handle with quick slide mechanism

• US 7,419,501 B2
• Filed: 07/27/2006
• Issued: 09/02/2008
• Est. Priority Date: 04/23/2002
• Status: Expired due to Term

• Current Assignee: Medtronic Vascular, Inc. (Medtronic Plc)
• Original Assignee: Medtronic Vascular, Inc. (Medtronic Plc)
• Inventors: Goodson, Burt, Jensen, David F., Weber, Paul L., Gershman, Ari, Repp, Richard E., Chiu, Brian
• Primary Examiner(s): SWEET, THOMAS
• Application Number:
  US11/460,551
• Publication Number:
  US 20060265045A1
• Time in Patent Office: 768 Days
• Field of Search: 623/1.11, 623/1.12, 623/1.23, 606/108
• US Class Current: 623/1.12
• 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: A61F 2/966 with relative longitudinal movement between outer sleeve and prosthesis, e.g. using a push rod
• CPC Class Codes: A61M 2025/0681 Systems with catheter and outer tubing, e.g. sheath, sleeve or guide tube
• CPC Class Codes: A61M 2025/09116 Design of handles or shafts or gripping surfaces thereof for manipulating guide wires
• CPC Class Codes: A61M 25/00 Catheters; Hollow probes dilators A61M29/00; peritoneal catheters A61M1/285; tracheal tubes A61M16/04; for drainage A61M27/00; for uterus, vagina or rectum A61M31/00 ; for measuring or testing A61B; materials for catheters A61L29/00

Abstract

A method of deploying a prosthesis includes engaging a hub assembly of a handle to a threaded outer surface of a slide shaft of the handle; rotating the hub assembly to cause axial translation of the hub assembly and a sheath coupled to the hub assembly to initiate deployment of the prosthesis; disengaging the hub assembly from the threaded outer surface by pivoting a thread tooth of the hub assembly out of threaded engagement with the threaded outer surface; and sliding the hub assembly on the slide shaft to further retract the sheath and complete deployment of the prosthesis.

Claims

1. A method comprising:

engaging a hub assembly of a handle to a threaded outer surface of a slide shaft of said handle, wherein said slide shaft extends between a distal housing of said handle and a proximal housing of said handle;

rotating said hub assembly to cause axial translation of said hub assembly and a sheath coupled to said hub assembly relative to a pushrod and prosthesis inside of said sheath, wherein said slide shaft comprises slots, said sheath being coupled to a slide of said hub assembly, said slide extending through said slots;

disengaging said hub assembly from said threaded outer surface by pivoting a thread tooth of said hub assembly out of threaded engagement with said threaded outer surface; and

sliding said hub assembly on said slide shaft to further retract said sheath.

2. A method comprising:

engaging a hub assembly of a handle to a threaded outer surface of a slide shaft of said handle;

rotating said hub assembly to cause axial translation of said hub assembly and a sheath coupled to said hub assembly relative to a pushrod and prosthesis inside of said sheath;

disengaging said hub assembly from said threaded outer surface by pivoting a thread tooth of said hub assembly out of threaded engagement with said threaded outer surface, wherein said hub assembly further comprises a sleeve and an inner slider, said disengaging comprising moving said sleeve relative to said inner slider; and

sliding said hub assembly on said slide shaft to further retract said sheath.

3. The method of claim 2 wherein said disengaging comprises pulling a thumb slider of said hub assembly.

4. The method of claim 3 wherein said pulling comprises sliding a thread tooth press member across said thread tooth.

5. The method of claim 4 wherein said thread tooth press member pivots said thread tooth as said thread tooth press member is slid past a thread tooth pivot support pivotally coupled to said thread tooth.

6. The method of claim 2 wherein said prosthesis is located over said pushrod and restrained within said sheath.

7. The method of claim 6 wherein said rotating comprising retracting said sheath to initiate deployment of said prosthesis.

8. The method of claim 7 wherein said sliding comprising completing said deployment of said prosthesis.

9. The method of claim 2 wherein said pushrod comprises a guide wire lumen.

10. The method of claim 9 wherein a guidewire extends through said guide wire lumen.

11. The method of claim 2 wherein said slide shaft extends between a distal housing of said handle and a proximal housing of said handle.

12. The method of claim 2 wherein said thread tooth is pivotally mounted to a thread tooth pivot support facilitating proximal and distal pivoting of said thread tooth.

13. The method of claim 2 wherein said sleeve comprises a thread tooth press member pressing on said thread tooth.

14. The method of claim 13 wherein said thread tooth press member presses on said thread tooth opposite a protruding tooth of said thread tooth when said hub assembly is engaged to said threaded outer surface.

15. The method of claim 13 wherein said thread tooth is pivoted distally into threaded engagement with said threaded outer surface by said thread tooth press member.

16. The method of claim 13 wherein said disengaging comprises sliding said thread tooth press member past a thread tooth pivot support of said inner slider, said thread tooth being pivotally mounted to said thread tooth pivot support.

17. The method of claim 16 wherein said thread tooth press member proximally pivots said thread tooth as said thread tooth press member is slid past said thread tooth pivot support.

18. The method of claim 17 wherein said thread tooth is proximally pivoted out of threaded engagement with said threaded outer surface.

19. The method of claim 17 wherein said thread tooth is proximally pivoted such that a protruding tooth of said thread tooth is spaced apart from said threaded outer surface.