Patent ID: 6780199
Filing Date: 2004-08-24
Classification: A61F,A61M

Abstract:
A stent delivery system comprising:a stent having an outer surface; a flexible elongated advancement member having a proximal end and a distal end; a tracking member having a proximal end and a distal end, said tracking member being adapted to slide over a guidewire and being fixedly attached to the distal end of the advancement member; an inflation channel; and an inflatable balloon having a proximal end and a distal end, the proximal end of the balloon being in fluid communication with the inflation channel, wherein only the distal end of the balloon is attached to the tracking member, wherein the stent is arranged concentric to the balloon and the advancement member, wherein the advancement member is external to the balloon, and wherein when the balloon expands, it causes one or more projections to form in the outer surface of the stent.