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System for the controlled delivery of stents and grafts

  • US 20060253184A1
  • Filed: 05/04/2005
  • Published: 11/09/2006
  • Est. Priority Date: 05/04/2005
  • Status: Abandoned Application
First Claim
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1. Apparatus for percutaneously delivering one of a stent, stent draft or graft prosthesis to a target site within a patient'"'"'s vascular system comprising:

  • (a) an outer tubular guide catheter having a proximal end, a distal end and a lumen extending therebetween;

    (b) an inner tubular pusher catheter having a proximal end, a distal end and lumen extending therebetween, the inner pusher catheter having an outer diameter sized to slidingly fit within the lumen of the guide catheter;

    (c) an elongate, flexible member coaxially insertable through the lumen of the inner pusher catheter, said elongate, flexible member having a proximal end and a distal end, said distal end having a first bead member affixed thereto sized to at least partially fit within the lumen of the inner pusher catheter at said distal end of the inner pusher catheter when a proximally directed tension force is applied to the elongate flexible member with respect to the inner pusher catheter; and

    (d) a compression spring operatively coupled between the proximal end of the inner pusher catheter and a clamp member releasably affixed to the elongate member.

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