Collapsible stent

摘要

A stent suitable for the repair of lesions in bifurcated blood vessels is provided, having a deformable end portion such that a free end of the end portion can be aligned with the surface of an abutting stent or angioplasty balloon in a main branch of the bifurcated vessel. A method of blood vessel repair using this stent is also provided.

主权项

1. A stent comprising:
an end portion which, in an expanded state, defines a vessel-supporting wall having a free end defining a circumference at the free end; wherein the end portion is configured to deform to longitudinally collapse the vessel-supporting wall at a first point on the circumference by a larger amount than at a second point, the end portion including an expandable ring secured by a collapsible web, wherein the ring is configured to expand due to collapsing of the web when the end portion is deformed by application of a force longitudinally collapsing the vessel-supporting wall at the first point by a larger amount than at the second point.