Patent ID: 11931278
Assignee: BOSTON SCIENTIFIC SCIMED, INC.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 14:
15. A method for intraluminally positioning a radially distensible stent comprising:
positioning a delivery device within a body lumen, the delivery device including a delivery tube;
a reconstrainment band mounted on the delivery tube, the reconstrainment band having proximal and distal ends and a longitudinal axis extending therebetween, the band having an interior surface engaging the delivery tube and an exterior surface with at least one fin projecting therefrom, each fin having a length extending along the longitudinal axis of the band and a width extending transverse to the length, wherein the length is greater than the width, the fin including first and second opposing obtusely shaped flat surfaces angled relative to the longitudinal axis, the first obtusely shaped flat surface facing the proximal end and the second obtusely shaped flat surface facing the distal end, each obtusely shaped flat surface having rounded side and top edges extending along the length of the fin, and a radially outermost extent of the fin being a convexly curved surface extending between the rounded top edges of the first and second obtusely shaped flat surfaces and along the length of the fin;
a radially expandable generally tubular shaped stent positioned coaxially around the band such that each fin extends into a void in the stent; and
a generally tubular sheath positioned coaxially around the stent, the sheath being longitudinally displaceable relative to the stent and the delivery tube; and

slidably retracting the sheath relative to the delivery tube to uncover the stent, such that the uncovered stent radially expands against a wall of the body lumen;
wherein when the sheath is slidably retracted, radial expansion of the stent is limited such that a radial clearance of an inner surface of the stent is less than a maximum radial dimension of the fins.