Patent ID: 6485524
Filing Date: 2002-11-26
Classification: A61B,A61F

Abstract:
A stent for treating pathological body vessels comprising at least two longitudinally extended filaments that can be delivered into a body vessel with an implantation device, the stent having a delivery state and an implanted state at the site of implantation such that at least two filaments form opposed spirals in the implanted state over at least a part of the longitudinal extent of the stent, each of the at least two filaments spiraling about the stent circumference in opposing directions, wherein at least one filament has an arc-shaped segment running along a periphery of the stent and wherein two filaments have an alternating structure in which at least one complete spiral loop follows at least one arc-shaped segment, and filaments are displaced such that a spiral loop of one filament crosses over an arc-shaped segment of a second filament.