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Endovascular delivery system

  • US 6,110,191 A
  • Filed: 12/01/1998
  • Issued: 08/29/2000
  • Est. Priority Date: 09/12/1996
  • Status: Expired due to Term
First Claim
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1. Apparatus for delivering an endoluminal stent or prosthesis into the vasculature of a patient comprising:

  • an introducer having a distal end adapted for insertion into the vasculature, a lumen of a first diameter, and a proximal end;

    a catheter body having a balloon mounted on one end, the endoluminal stent or prosthesis being collapsed around the balloon;

    a tubular loader for placement outside the patient having a lumen with a diameter equal to or less than the first diameter and a distal end engageable with the introducer proximal end, the lumen of the loader containing the balloon and endoluminal stent or prosthesis collapsed therearound; and

    a pusher adapted to fit within the lumen of the loader and engage a proximal end of the endoluminal stent or prosthesis;

    wherein the introducer proximal end engages with the loader distal end to prevent relative movement of the introducer and the loader; and

    wherein the lumen of the loader and the introducer lumen form a continuous lumen upon engagement of the loader and the introducer, the continuous lumen extending from outside the patient to a point of implantation in the vasculature, through which the balloon and endoluminal stent or prosthesis collapsed therearound is pushed by the pusher.

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