Selective stent crimping
First Claim
1. A method of crimping a stent on an expandable member of a delivery catheter, the method comprising:
- positioning a stent over an expandable member, the stent having a distal-most first end and a proximal-most second end, wherein a first portion and a second portion respectively extend between the distal-most first end and proximal-most second end, the stent comprising a sidewall having a side hole therethrough;
routing an elongate shaft under the second portion of the stent and through the side hole so as to be routed external to the first portion; and
non-uniformly crimping the stent to the expandable member, wherein the expandable member comprises a delivery balloon extending between and beyond both the distal-most first end and the proximal-most second end, wherein the stent is non-uniformly crimped such that only a segment of the second portion is embedded in the delivery balloon and the second portion is partially crimped to the expandable member such that the second portion remains uncrimped to the expandable member over a sector of the expandable member; and
wherein crimping the stent second portion comprises;
positioning a spacer between a sector of the elongate shaft and a sector of the stent second portion;
crimping the sector of the stent second portion into contact with the spacer; and
removing the spacer, wherein the elongate shaft is slidably disposed relative to the stent second portion prior to deployment of the stent.
3 Assignments
0 Petitions
Accused Products
Abstract
Methods for crimping a stent on an expandable member of a delivery catheter, and devices and methods for treating a bifurcation are disclosed. A method for crimping includes positioning a stent having a first portion and a second portion over the expandable member, and non-uniformly crimping the stent to the expandable member. The method can include routing an elongate shaft under the second portion of the stent and through the side hole so as to be routed external to the first portion. The stent second portion can be crimped so that the elongate shaft can be slidably disposed relative to the stent second portion prior to deployment of the stent.
523 Citations
27 Claims
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1. A method of crimping a stent on an expandable member of a delivery catheter, the method comprising:
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positioning a stent over an expandable member, the stent having a distal-most first end and a proximal-most second end, wherein a first portion and a second portion respectively extend between the distal-most first end and proximal-most second end, the stent comprising a sidewall having a side hole therethrough; routing an elongate shaft under the second portion of the stent and through the side hole so as to be routed external to the first portion; and non-uniformly crimping the stent to the expandable member, wherein the expandable member comprises a delivery balloon extending between and beyond both the distal-most first end and the proximal-most second end, wherein the stent is non-uniformly crimped such that only a segment of the second portion is embedded in the delivery balloon and the second portion is partially crimped to the expandable member such that the second portion remains uncrimped to the expandable member over a sector of the expandable member; and wherein crimping the stent second portion comprises; positioning a spacer between a sector of the elongate shaft and a sector of the stent second portion; crimping the sector of the stent second portion into contact with the spacer; and removing the spacer, wherein the elongate shaft is slidably disposed relative to the stent second portion prior to deployment of the stent. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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Specification