A stent delivery catheter system employing a retractable protective sheath for protecting a body lumen from a stent delivered by the catheter. The catheter has a plurality of lumens, with at least one lumen devoted to housing a rod, wire or hypotube that retracts the protective sheath. The lumen housing...http://www.google.com.au/patents/US5360401?utm_source=gb-gplus-sharePatent US5360401 - Catheter for stent delivery