Patent ID: 9687369
Date: 2017-06-27
CPC Classifications: A61F

Claim:
1. A system comprising a catheter having: an inner catheter with a stent bed supporting a stent; a guide sheath having a tapered distal end and a proximal end extending to a proximal end of the catheter; a retractable sheath overlaying the stent bed having an inner portion, an outer portion, and a fold-over portion between the inner portion and the outer portion, and the retractable sheath comprises a sheet of polymeric material having a first layer laminated to a reinforcement layer; and wherein in a cover position the fold-over portion is distal of the distal end of the stent bed, in a deploy position the fold-over portion is proximal of the proximal end of the stent bed, and a proximal end of the outer portion underlies the guide sheath, and further comprising a substantially straight pull member configured to retract the retractable sheath, wherein a distal portion of the pull member is captured radially between the first layer and the reinforcement layer.