Patent ID: 7947070

Claim:
A dilatation and stent delivery system, the system comprising: a dilatation catheter, the dilatation catheter having an expandable member; and a stent delivery catheter, the stent delivery catheter comprising: an inner shaft, the inner shaft comprising a stent retaining region, the inner shaft defining a lumen sized to receive the dilatation catheter and to permit movement of the dilatation catheter relative to the stent delivery catheter, an outer sheath, the outer sheath having a non-retracted state and a retracted state, the outer sheath comprising a distal end, the distal end of sheath being disposed over the stent retaining region of the inner shaft when the outer sheath is in the non-retracted state, the distal end of the outer sheath being proximal to the stent retaining region when the outer sheath is in the retracted state.