Patent ID: 7473271
Filing Date: 2009-01-06
Classification: A61F

Abstract:
1. A stent delivery system comprising: a catheter having an inner shaft, at least a portion of the inner shaft defining a stent mounting region; a stent being defined by a stent wall having a proximal region with an opening and a distal region with an opening, the stent having an unexpanded state and an expanded state, in the unexpanded state, the stent being disposed about at least a portion of the stent mounting region; a proximal band disposed about a proximal portion of the inner shaft, and a distal band disposed about a distal portion of the inner shaft, the proximal band and the distal band each comprising a body region having an outer surface and a protrusion extending radially outward from the other surface, when the stent is in the unexpanded state, the protrusion of the proximal band extends into the proximal opening of the stent and the protrusion of the distal band extends into the distal opening of the stent; and a retractable sheath overlying the stent when the stent is in the unexpanded state.