A stent delivery system comprises a catheter which includes a catheter shaft and a balloon positioned thereon. A rotatable sheath is rotatably disposed about a portion of the catheter. The rotatable sheath has a distal portion which extends over the balloon and a proximal portion which extends over the catheter shaft proximal to the balloon. A stent prior to delivery is disposed about the distal portion. The rotatable sheath may also and/or alternatively be constructed of a non-compliant material where as the balloon is a compliant material.
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