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Proximal release delivery system

  • US 8,986,363 B2
  • Filed: 12/20/2010
  • Issued: 03/24/2015
  • Est. Priority Date: 12/30/2009
  • Status: Active Grant
First Claim
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1. A device for deploying an intraluminal device, comprising:

  • a gear mechanism comprising a first gear set, a second gear set, a drive shaft, and a main drive gear affixed to the drive shaft, the first gear set comprising a first drive gear, the second gear set comprising a second drive gear, wherein the first drive gear and the second drive gear are drivingly coupled to the drive shaft via one-directional roller clutch bearings, the one-directional roller clutch bearings configured to drive the first and second drive gear when the drive shaft is rotated in one of clockwise and counter-clockwise directions;

    a trigger comprising a rack engaging the main drive gear, the trigger being reciprocally movable to rotationally drive the main drive gear and the drive shaft;

    a drive pulley adapted to be alternatively mechanically coupled to one of the first gear set and the second gear set;

    an introducer sheath operably connected to the drive pulley; and

    an expandable prosthesis constrained within the introducer sheath,wherein the sheath is movable in a distal direction relative to the prosthesis when the drive pulley is mechanically coupled to the first gear set so as to release the prosthesis from a proximal end thereof, and further wherein the sheath is retractable in a proximal direction relative to the prosthesis when the drive pulley is mechanically coupled to the second gear set so as to resheath over the prosthesis.

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