Patent ID: 9056001
Filing Date: 2015-06-16
Classification: A61F,Y10T

Abstract:
1. An implantable device comprising: a self-expanding endoprosthesis having a length and comprising both a stent element and a cover along a substantial portion of its length, the endoprosthesis having a compacted dimension and an enlarged, deployed dimension; wherein said cover comprises a proximal and distal end and at least one pleat that extends from the proximal end to the distal end of the cover such that said cover is folded into one or more uniform pleats when in its compacted dimension; wherein the compacted dimension is no more than 12 F in cross-sectional diameter; wherein the deployed dimension is at least 23 mm in inner cross-sectional diameter; wherein the stent element comprises a plurality of forward facing apices and rearward facing apices; wherein when in the compacted dimension, the plurality of forward facing apices are folded inwardly; and wherein said uniform pleats were made by passing said implantable device through a tapered die comprising multiple raised flutes and grooves.