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US 5,591,226 AGranted
Percutaneous stent-graft and method for delivery thereof
AssigneesSchneider (USA) Inc., Indiana University Foundation, The Johns Hopkins University
InventorsScott O. Trerotola, Wade M. Johnson
Life of this patent
Estimating the term…
Abstract
A percutaneous stent-graft is disclosed for restoring blood flow between vessels. The stent-graft has a body implantable device and first and second peel-away retaining elements. Also disclosed are methods for deploying a stent-graft.
Claims17
An apparatus comprising:
- a body implantable self-expanding stent comprising a flexible tube of open weave construction having a first end and a second end, the ends being compressible into radially compressed states, the flexible tube having an elastic layer arranged along at least a portion of its length;
- and
- first and second removable retaining elements secured to the flexible tube proximate the first and second ends, respectively, for maintaining the first and second ends of the self-expanding stent in radially compressed states until removed, wherein each retaining element is a peel-away sheath adapted for insertion into vascular access means, said peel-away sheath comprising a tubular material attached to at least two leaves, the leaves upon an application of force being adapted to tear the tubular material thereby separating the sheath into removable pieces allowing the stent to self-expand.
A system for delivering a percutaneous stent-graft, the system comprising:
- a) a body implantable self-expanding stent comprising a flexible tube member of open weave construction having a first end and a second end, the ends being compressible into radially compressed states, the flexible tube having an elastic layer disposed along at least a portion of its length;
- b) first and second removable retaining elements secured to the flexible tube proximate the first and second ends, respectively, for maintaining the first and second ends of the self-expanding stent in radially compressed states wherein the retaining elements comprise peel-away sheaths adapted for insertion into vascular access means;
- and
- c) first and second vascular access means adapted to receive the first and second removable retaining elements, respectively, wherein the first and second vascular access means comprise peel-away sheaths.
1 more element
A system for delivering a percutaneous stent-graft, comprising:
- a) a body implantable self-expanding stent comprising a flexible tube member of open weave construction having a first end and a second end, the ends being compressible into radially compressed states, the flexible tube having an elastic layer disposed along at least a portion of its length;
- b) first and second removable retaining elements secured to the flexible tube proximate the first and second ends, respectively, for maintaining the first and second ends of the self-expanding stent in radially compressed states, wherein the retaining elements comprise peel-away sheaths adapted for insertion into vascular access means;
- c) at least one gripping means disposed along at least a portion of the length of the flexible tube member between the first and second removable retaining elements for protecting the flexible tube member.
Dependencies are inferred from the claim text.