A stent delivery system having a stent pusher for delivering and implanting stents is disclosed. The stent delivery system has a tubular catheter with a tapered distal end, and the stent pusher is disposed coaxially therein so that the leading edge is adjacent to the tapered region. A recessed diameter...http://www.google.com.hk/patents/US6241758?utm_source=gb-gplus-share專利 US6241758 - Self-expanding stent delivery system and method of use
