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Prosthesis anchoring and deploying device

  • US 20060100688A1
  • Filed: 11/05/2004
  • Published: 05/11/2006
  • Est. Priority Date: 11/05/2004
  • Status: Active Grant
First Claim
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1. A device for effecting an intraluminal delivery and controlled deployment of a body implantable prosthesis, including:

  • an elongate prosthesis delivery member having a distal wall segment adapted to contain a radially self-expanding prosthesis in a reduced-radius delivery state against an internal restoring force;

    a radially self-expanding prosthesis contained in the distal wall segment and thereby maintained in the reduced-radius delivery state, said prosthesis including a linking structure near a proximal end of the prosthesis;

    an elongate prosthesis control member mounted for axial travel relative to the delivery member, toward and away from a delivery position in which a distal end region of the control member extends along the distal wall segment of the delivery member and is disposed radially inwardly of the prosthesis;

    a control feature disposed along the distal end region of the control member and extending radially outwardly from the control member beyond a radial midpoint of the linking structure when in the delivery position with the prosthesis so contained, thereby being positioned to allow limited distal travel of the delivery member and prosthesis relative to the control member, and to effect a substantially non-frictional surface engagement with the linking structure upon said distal travel, to anchor the prosthesis against further distal travel relative to the control member.

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