US Patent 7686841 Rotating balloon expandable sheath bifurcation delivery system

A catheter assembly comprises a catheter, a rotatable sheath, a guidewire housing and a stent. The rotatable sheath is disposed about at least a portion of the catheter shaft and is rotatable thereabout. The stent is disposed about a stent receiving region of the rotatable sheath and at least a portion of the guidewire housing. The first end of the rotatable sheath extends beyond a proximal end region of the stent and the second end region of the rotatable sheath extends beyond a distal end region of the stent.