Patent ID: 7470282
Filing Date: 2008-12-30
Classification: A61F

Abstract:
1. A stent delivery system comprising: a catheter, the catheter having an inner shaft and a retractable sheath, the inner shaft having at least one grip member engaged to a portion of the inner shaft nearer a distal end of the inner shaft than a proximal end of the inner shaft, the at least one grip member comprising a body region and a hub region, the body region being tapered from a first end to a second end, the hub region being adjacent to the first end of the body region, an outer diameter of the hub region being greater than an outer diameter of the first end of the body region; and a stent, the stent being expandable from an unexpanded state to an expanded state, in the unexpanded state, at least a portion of the stent being disposed about a portion of the inner shaft and engaged to at least a portion of the body region of the at least one grip and the hub region of the at least one grip member being positioned between the stent and the proximal end of the inner shaft, in the unexpanded state, the retractable sheath overlying the stent, wherein the stent expands to the expanded state when the retractable sheath is retracted off of the stent, wherein the grip member is configured so that the stent directly contacts the hub region when the sheath is retracted.